Efficiency of complex selection for breed formation process in pig breeding
2015
Sheyko,I.P. | Loban,N.A.
English. Comparative evaluation of changes in exterior and interior of the maternal breeds of Belarusian breeds of pigs was carried out along breeding stages. Object of researches were breeding animals of Belarus Large White, Belarus black-motley, Belarus meat and Yorkshire breeds. Populations of these breeds were studied in breeding centers '
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Show more [+] Less [-], а также селекционно-гибридных центрах '
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Show more [+] Less [-]on population of 120000 sows, 9500 boars and 15600 heads of young animals at the control fattening. In researches the complex of assessment methods of exterior, interior, development and meat efficiency of pigs was used. Significant increase of indices of body formation and exterior towards development for meat type was determined. The interior has been transformed in direction of increasing of slaughter yield, growth of muscle tissue and fat tissue reduction (P less than 0,05, 0,001). Genetic profile of pigs by a number of gene markers is studied and it was determined that it had significant effect for selection effect acceleration by productive traits as well as processes of formation.
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Show more [+] Less [-]на поголовье 120000 свиноматок, 9500 хряков и 15600 голов молодняка на контрольном откорме. В исследованиях использовался комплекс методов оценки экстерьера, интерьера, развития и мясной продуктивности свиней. Изучалось влияние экстерьерных, линейных измерений индивидуально по каждому животному на развитие отдельных статей тела, типа и крепости конституции, его важнейших систем и органов. Установлено достоверное повышение индексов телосложения и экстерьера в сторону развития по мясному типу. Интерьер трансформировался в сторону увеличения убойного выхода, роста содержания мышечной ткани и снижения жировой (Р менее 0,05, 0,001). Изучен генетический профиль свиней по ряду генных маркеров и установлено его достоверное влияние на ускорение эффекта селекции по продуктивным качествам и процессы формообразования.
Show more [+] Less [-]Lenino'
Show more [+] Less [-]Timonovo'
Show more [+] Less [-]Belaya Rus’'
Show more [+] Less [-]Проведена сравнительная оценка изменения экстерьера и интерьера материнских пород свиней белорусских пород по этапам селекции. Объектом исследований явились племенные животные белорусской крупной белой, белорусской чёрно-пёстрой, белорусской мясной и породы йоркшир. Популяции этих пород исследовались на племзаводах '
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Bibliographic information
This bibliographic record has been provided by National Academy of Sciences of Belarus