Effect of maternal parity on offspring's milk and reproductive performance, disease incidence of calf period, and longevity in Holstein cows
Yazarlar (1)
| Makale Türü |
Özgün Makale
(Uluslararası alan indekslerindeki dergilerde yayınlanan tam makale)
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| Dergi Adı | Journal of Research in Veterinary Medicine | ||
| Dergi Tarandığı Indeksler | |||
| Makale Dili | İngilizce | Basım Tarihi | 09-2021 |
| Makale Linki | https://acikerisim.uludag.edu.tr/items/4c4a31d7-fa3c-4e95-89d9-f2f61aafc87c | ||
| UAK Araştırma Alanları |
Eğitim Bilimleri
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| Özet |
| Present information on the maternal parity influences on reproductive and milk production parameters is ambiguous and less information is available on maternal parity effects on the calf duration disease incidence and longevity. The present study aimed to investigate the influence of parity on the calf duration diseases incidence, milk yield and reproductive parameters, and longevity of offspring in Holstein dairy cows. Data were retrieved from a commercial dairy farm present at Karacabey-Bursa state in Turkey. All the data was organized and subjected to statistical analysis, and correlations were established between all first lactation production parameters (peak yield, days to peak yield, 100-d yield, and 305-d yield), reproduction (age at first insemination, number of inseminations), and longevity of the dams and their heifers. In all parity calves, the incidence of calf duration diseases averaged 16.8%, and the rate reduced as mother parity increased (p< 0.01). Age at first insemination, number of inseminations gestation length as a heifer, and peak milk yield, time to peak yield, 100-d milk yield, 305-d milk yield during the first lactation of all parity heifers averaged 481-d, 1.67, 274-d, 46.06 L, 67.50-d, 3611.93 L and 9588.47 L respectively. Non-significant (p> 0.05) effect of the parity was found on all these heifer’s reproduction and first lactation milk production parameters. A non-significant correlation established for reproduction and milk production studied parameters of the dams and heifers. Longevity averaged 32.43, 27.93, and 26.57 months for first, second and third parity dams offspring respectively, but results remained non-significant (p> 0.05 … |
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