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Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle

Presents results of a study conducted to estimate the effects of heterosis and breed on a series of maternal and individual traits; takes Boran X Ankole and Boran X Zebu as crossbred cows and Ankole, Boran and Small East African Zebu as straightbred cows; includes traits like calf crop born, prewean...

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Main Authors: Gregory, K.E., Trail, J.C.M., Marples, H.J.S., Kakonge, J.
Format: Journal Article
Language:Inglés
Published: Oxford University Press 1985
Subjects:
zebu cattle
humpless cattle
breeds
behaviour
maternity
hybrid vigour
weaning weight
birth weight
viability
beef cattle
age
adaptation
Online Access:https://hdl.handle.net/10568/32982
Summary:Presents results of a study conducted to estimate the effects of heterosis and breed on a series of maternal and individual traits; takes Boran X Ankole and Boran X Zebu as crossbred cows and Ankole, Boran and Small East African Zebu as straightbred cows; includes traits like calf crop born, preweaning viability, overall viability, birth weight, weaning weight, 12, 18 & 24-mo. weight, calf weight weaned per cow exposed to breeding, cow parturition weight, cow weaning weight and cow mean weight.

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