Effects of the FecB gene on birth weight, postnatal growth rate and puberty in Booroola × Mérinos d’Arles ewe lambs
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چکیده
منابع مشابه
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متن کاملEffects of Prepubertal Growth Rate of Ewe Lambs on Their Subsequent Lamb and Milk Production
In many sheep production operations in the Midwestern and Eastern U.S., lambs are managed for maximum body weight gain and fed high-energy diets continuously from shortly after birth until they are marketed as slaughter lambs. Flock owners will replace 20 to 25% of the ewes in their flock each year with ewe lambs raised in their flock or purchased from other producers. Since all lambs in a floc...
متن کاملBreed, heterosis and environmental influences on growth and puberty in ewe lambs.
A study involving 825 spring ewe lambs was conducted to evaluate effects of breed, heterosis, type of birth and rearing, age of dam and preweaning and postweaning growth rate on occurrence of puberty before November 10. Within a breed or breed-cross, preweaning competition among twin and triplet lambs reduced lamb weights by 4 or 5 kg at 70 (weaning), 160 and 230 days of age and by about 3 kg a...
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ژورنال
عنوان ژورنال: Animal Research
سال: 2005
ISSN: 1627-3583,1627-3591
DOI: 10.1051/animres:2005024