LAMB GROWTH PERFORMANCE OF CERTAIN PURE BREEDS AND THEIR 2-, 3-, and 4-BREED CROSSES
نویسندگان
چکیده
منابع مشابه
Lamb production and its components in pure breeds and composite lines. II. Breed effects and heterosis.
Ewe performance was compared for five pure breeds of sheep (Finnsheep, F; Rambouillet, R; Dorset, D; Targhee, T; Suffolk, S) and the crosses in development of two maternal composite lines (C1 = 1/2F1/4R1/4D and C2 = 1/2F1/4T1/4S). The data involved 10,959 breeding season records of 4,219 ewes by 412 sires. Ewe production and the components (fertility, litter size, neonatal and preweaning lamb s...
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ژورنال
عنوان ژورنال: Canadian Journal of Animal Science
سال: 1979
ISSN: 0008-3984,1918-1825
DOI: 10.4141/cjas79-043