Randomized trial investigates reproductive performance and adaptation in dairy herds based on size and origin, suggesting optimal management strategies.
Efficient management systems utilize technology associated with highly productive performance. Production level is closely related to management factors. Management efficiency is related to animals’ adaptation to farm conditions and herd sizes. This study aimed to determine the most beneficial herd size to investigate optimum reproductive performance and adaptation of different origins to environmental and breeding conditions. Age at first calving (AFC), service period (SP), calving interval (CI), and insemination index (II) were calculated. In total, 5,794 dairy cattle were selected from 54 different dairy farms in 23 regions and classified according to herd size: 250 (origins as domestic and imported), respectively. The values of AFC and SP were lowest (27.32 ± 4.88; 191.92 ± 147.15) in >250 (P
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Özmen et al. (2026) studied this question.
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