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TR
Dry Period Length in Dairy Cattle: II. Influence on Calf Survival and Growth Performance
Abstract
This study was conducted to investigate the effects of dry period length (DPL) on survival rate, gender, growth performance, mortality of Holstein calves. Data belonged to 800 Holstein cows in different parities (2nd, 3rd and ≥4th) and 800 calves delivered by these cows. DPL were classified in 5 categories (≤40, 41-50, 51-60, 61-70, ≥71 days). Calves were weighed and body dimensions (body length, wither height, hearth girth) at birth and 6th months of age. There were significant relationships between DPL and calf gender (P<0.01). The cows with DPL of 51-60 days had greater female calf ratios and the cows with DPL of 61-70 days had greater male calf ratios. In the study, the relationship between calves' body weights (birth and 6th month) and DPL was found to be significant at P<0.01 level, and the relationship between body measurements (6th month body length 6th month wither height) and DPL was significant at P<0.05 level. These values the highest were observed in the calves of the cows with DPL 61-70 days. The relationship between calves survivability, mortality values and DPL was not significant (P>0.05). The results obtained from the study showed that the dry period length of the cows can be planned between 61-70 days, considering the body weight and growth performance of the calves.
Keywords
References
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Details
Primary Language
English
Subjects
Agricultural, Veterinary and Food Sciences
Journal Section
Research Article
Publication Date
December 30, 2022
Submission Date
October 22, 2021
Acceptance Date
December 20, 2021
Published in Issue
Year 1970 Volume: 25 Number: Ek Sayı 1
APA
Metin Kıyıcı, J., Köknur, Ö., & Kaliber, M. (2022). Dry Period Length in Dairy Cattle: II. Influence on Calf Survival and Growth Performance. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 25(Ek Sayı 1), 300-306. https://doi.org/10.18016/ksutarimdoga.vi.1013499
Cited By
Türkiye’de Süt Sığırı Yetiştiriciliği Uygulamalarının Coğrafi Bölgelere Göre Karşılaştırılması
Hayvan Bilimi ve Ürünleri Dergisi
https://doi.org/10.51970/jasp.1834421
