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Effect of age at weaning of fighting heifers on the age at testing and age at first calving

, : Effect of age at weaning of fighting heifers on the age at testing and age at first calving. ITEA Extra(22 (2)): 442-444

For 60 heifers from 4 herds of fighting cattle in Spain, weaned at 180-210, 211-240 or >240 days of age, age at testing averaged 750.75, 853.9 and 981.09 days respectively, and age at first calving averaged 1104.58, 1220.68 and 1309.46 days.


Other references

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