Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 29

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 32

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JRequest::clean() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 33

Strict Standards: Non-static method JRequest::_cleanArray() should not be called statically in /usr/www/users/lenagr/libraries/joomla/environment/request.php on line 463

Strict Standards: Non-static method JRequest::_cleanArray() should not be called statically in /usr/www/users/lenagr/libraries/joomla/environment/request.php on line 464

Strict Standards: Non-static method JRequest::_cleanArray() should not be called statically in /usr/www/users/lenagr/libraries/joomla/environment/request.php on line 465

Strict Standards: Non-static method JRequest::_cleanArray() should not be called statically in /usr/www/users/lenagr/libraries/joomla/environment/request.php on line 466

Strict Standards: Non-static method JRequest::_cleanArray() should not be called statically in /usr/www/users/lenagr/libraries/joomla/environment/request.php on line 467

Strict Standards: Non-static method JRequest::_cleanArray() should not be called statically in /usr/www/users/lenagr/libraries/joomla/environment/request.php on line 468

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 35

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 38

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 39

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 46

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 47

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 50

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 53

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 54

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 57

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/joomla/import.php on line 58

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JFactory::getApplication() should not be called statically in /usr/www/users/lenagr/index.php on line 31

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Redefining already defined constructor for class JObject in /usr/www/users/lenagr/libraries/joomla/base/object.php on line 57

Strict Standards: Non-static method JApplication::getInstance() should not be called statically in /usr/www/users/lenagr/libraries/joomla/factory.php on line 46

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JApplicationHelper::getClientInfo() should not be called statically in /usr/www/users/lenagr/libraries/joomla/application/application.php on line 132

Strict Standards: Declaration of JSite::getRouter() should be compatible with & JApplication::getRouter($name = NULL, $options = Array) in /usr/www/users/lenagr/includes/application.php on line 377

Strict Standards: Declaration of JSite::getPathWay() should be compatible with & JApplication::getPathway($name = NULL, $options = Array) in /usr/www/users/lenagr/includes/application.php on line 377

Strict Standards: Declaration of JSite::getMenu() should be compatible with & JApplication::getMenu($name = NULL, $options = Array) in /usr/www/users/lenagr/includes/application.php on line 377

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/joomla/registry/registry.php on line 19

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Declaration of JSession::set() should be compatible with JObject::set($property, $value = NULL) in /usr/www/users/lenagr/libraries/joomla/session/session.php on line 737

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/joomla/session/session.php on line 19

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /usr/www/users/lenagr/libraries/joomla/import.php:29) in /usr/www/users/lenagr/libraries/joomla/session/session.php on line 423

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /usr/www/users/lenagr/libraries/joomla/import.php:29) in /usr/www/users/lenagr/libraries/joomla/session/session.php on line 423

Warning: Cannot modify header information - headers already sent by (output started at /usr/www/users/lenagr/libraries/joomla/import.php:29) in /usr/www/users/lenagr/libraries/joomla/session/session.php on line 426

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/joomla/html/parameter.php on line 21

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Declaration of JRegistryFormatINI::objectToString() should be compatible with JRegistryFormat::objectToString(&$object) in /usr/www/users/lenagr/libraries/joomla/registry/format/ini.php on line 281

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JPluginHelper::importPlugin() should not be called statically in /usr/www/users/lenagr/index.php on line 41

Strict Standards: Non-static method JPluginHelper::_load() should not be called statically in /usr/www/users/lenagr/libraries/joomla/plugin/helper.php on line 92

Strict Standards: Non-static method JPluginHelper::_import() should not be called statically in /usr/www/users/lenagr/libraries/joomla/plugin/helper.php on line 97

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JFile::exists() should not be called statically in /usr/www/users/lenagr/plugins/system/socialloginandsocialshare.php on line 15

Strict Standards: Non-static method JPath::clean() should not be called statically in /usr/www/users/lenagr/libraries/joomla/filesystem/file.php on line 373

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Redefining already defined constructor for class JPlugin in /usr/www/users/lenagr/libraries/joomla/plugin/plugin.php on line 75

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Declaration of JEvent::update() should be compatible with JObserver::update() in /usr/www/users/lenagr/libraries/joomla/event/event.php on line 29

Strict Standards: Non-static method JLoader::load() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 161

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 138

Strict Standards: Non-static method JLoader::import() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 186

Strict Standards: Non-static method JLoader::register() should not be called statically in /usr/www/users/lenagr/libraries/loader.php on line 71

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Ученые выяснили, что среди буренок есть флегматики, холерики и меланхолики - Lenagro.ORG Сельское хозяйство Ленинградской области
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Главная Статьи Ученые выяснили, что среди буренок есть флегматики, холерики и меланхолики

Ученые выяснили, что среди буренок есть флегматики, холерики и меланхолики

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31.05.2013 11:03
С самого раннего возраста коровы реагируют на окружающую действительность, по-разному. Темперамент животных не только определяет их поведение в стрессовых ситуациях, но также может влиять на состояние здоровья и показатели продуктивности.

Психологические тесты… для коров

Идея о том, что коровы тоже могут быть холериками или меланхоликами, посетила голландского зоолога Киса Ван Ринена (Kees van Reenen), доктора наук Университета Гронинген (Нидерланды).
В ходе исследования были изучены черно-белые коровы породы Гольштейн-Фризиан. Наблюдения за животными велись с момента их рождения и до полного взросления.

Исследователь проводил разнообразные поведенческие тесты и физиологические эксперименты, чтобы определить, как животные реагируют на внешние раздражители. Фиксировались такие параметры как: проявление чувства беспокойства и страха, мычание (подача звуковых сигналов), частота пульса и выброс в кровь кортизола (гормона надпочечников, отвечающего за стресс). Кроме того зоолог наблюдал за поведением коров, оценивая такие признаки проявления темперамента как робость или, наоборот, постоянное любопытство, потребность в обществе и подвижность.

Испытание канистрой

В ходе экспериментов Ринен изучал поведение коров в разнообразных стрессовых ситуациях, чтобы посмотреть, какой будет их реакция. Самое легкое, что можно было придумать в условиях фермы, чтобы не травмировать коров слишком тяжкими испытаниями, это встреча с незнакомыми людьми или неизвестными предметами.

Для этого из стада выбирали одно животное и заводили в отдельный сарай. Через некоторое время рядом с коровой появлялась раскрашенная канистра, свисающая на веревке с потолка. Реакция была видна сразу. Некоторые коровы подходили к незнакомому предмету уже через несколько секунд, другие не могли отважится на столь решительный шаг даже после десятиминутных раздумий.

Причина медлительности – уровень стресса

Ван Ринен считает, что страх, выраженный таким образом, имел физиологические причины. В ходе эксперимента было установлено, что коровы, досконально изучившие необычную канистру, имели пониженную концентрацию гормонов стресса в крови, в то время, как более осторожные животные испытывали довольно сильный стресс, который и мешал им подойти поближе. Чтобы доказать это, исследователь использовал седативный препарат бротизолам. И действительно, у животных, которым дали успокоительное, продолжительность контакта с канистрой увеличивалась, а уровень гормонов стресса после этой процедуры становился гораздо ниже.

Поговорите с коровой

Общепринято, что мычание – сигнал беспокойства и признак стрессового состояния коровы. Однако Ван Ринен выяснил, что это не совсем так. Несмотря на то, что животные, подвергавшиеся испытанию с раскрашенной канистрой на веревке, начинали мычать, этот показатель никак не был связан со стрессом. Коровы, которые шумно сообщали окружающим о чем-либо, продолжали делать это и после применения транквилизаторов. То есть, в ситуации, когда совершенно не испытывали стресса.

Дальнейшие исследования животных в стаде позволило ученым сделать еще один интересный вывод. Телки, которые всегда мычали чаще и громче других, позднее показали более высокие результаты по величине надоев.

Общительные коровы дают больше молока! И никакого стресса у них нет и в помине. Автор исследования говорит, что частое мычание может быть одной из особенностей темперамента, указывающей на желание находиться в обществе себе подобных или просто пообщаться с кем-нибудь. Так что, если ваша буренка часто мычит, ей просто не хватает вашего внимания.

Еще один фактор отбора

Итак, данные исследований позволяют с уверенностью сказать, что коровы, как и другие животные, наделены разными темпераментами. А это значит, что у селекционеров и генетиков появился дополнительный параметр для отбора. Ведь темперамент, если воспринимать его как возможность сопротивляться стрессам, оказывает на удои и состояние здоровья очень большое влияние.

Сейчас, когда исследования в этом направлении будут продолжены, и взаимосвязь установится  в полном объеме, отбирать животных по типу темперамента станет так же просто, как, скажем, по крепости костей или величине суточного прироста массы.


University of Groningen (2012, March 23)

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