September 10, 2025Animal Breeding and GeneticsOpen Access

Assessment of Milk Productivity and Reproductive Capacity of Ukrainian Black-and-White Dairy Breed Cows

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Assessment shows milk yield variations across lactations in Ukrainian Black-and-White cows, highlighting the impact of insemination age.

Cows in their second lactation produced the highest milk yield, significantly greater than those in fourth lactation.
The optimal age for first insemination to maximize milk productivity was found to be 16 months, yielding the best results.
Milk fat content remained stable during four lactations, indicating consistent quality over time.
Reproductive issues increased notably in cows that produced over 12,000 kg of milk, indicating a trade-off between productivity and reproductive health.

Хоменко et al. (2025) studied this question.

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