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Effect of calving season on conception in cows



Effect of calving season on conception in cows



Zivoc. Vyroba 16: 357-364



Data were obtained on (1) 5182 Czech Pied cows from submountainous and mountainous regions and (2) 2700 cows from lowland regions. In the 2 groups resp., post-partum insemination interval averaged 65.1 and 64.5 days, conception rate to 1st insemination 58.0 and 55.8%, duration of service period 89.6 and 90.9 days, and insemination index 1.67 and 1.70.

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