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类别全部 - traits - management - systems - design

作者：Garrett Butler 11 年以前

555

crossbreading cattle

crossbreading cattle

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Crossbreeding Beef Cattle

other considerations

other important traits

frame score

Why crossbreed?

Heterosis

Hybrid vigor

sire selection

Crossbreeding systems

different systems

criss cross

rotational cross

terminal cross

combined

design

ease of management

simplicity

challenges