Determination of Reproduction and Lactation Parameters in the First Production Year of Brown Swiss and Simmental Cows Imported from Austria
Abstract
This study was aimed at
determining the adaptation levels of pregnant Brown Swiss and Simmental cows,
imported from Austria to a dairy cattle enterprise in Manisa, according to
their first year performances. Reproduction and milk yield performances of
Brown Swiss and Simmental cows was focused in this paper. Insemination, pregnancy
and birth parameters for Brown Swiss and Simmental cows were found to be
similar. The first insemination interval and gestation length of Simmental cows
were shorter than Brown Swiss cows. For Brown Swiss and Simmental cows, real
milk yield was 9205.61 L and 8351.05 L; milk yield for 305-days was 8115.71 L
and 7693.44 L; the lactation period was 356.0 days and 337.7 days respectively.
The differences between breeds according to real and 305-days milk yield were
statistically significant. The cows that calved in November and December
reached a higher milk yield performance. The effect of calving month on cows’
persistence in first lactation was significant, but the effect of breeds was
not significant. Considering that the mean milk yields of Brown Swiss and
Simmental cows in first lactation were over eight thousand liters, it can be
said that the cows imported from Austria genetically have dairy potential and
they can show this dairy potential from the first yield-year onwards.
Keywords
References
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Details
Primary Language
Turkish
Subjects
Health Care Administration
Journal Section
Research Article
Authors
Zeynep Küçük Baykan
This is me
Veterinarian at the Ministry of Food, Agriculture and Livestock, Saruhanli District Agriculture Directorate, Manisa
Türkiye
Mustafa Özcan
Department of Animal Breeding and Husbandry, Veterinary Faculty, Istanbul University, Avcilar, Istanbul
Türkiye
Publication Date
June 29, 2017
Submission Date
February 1, 2017
Acceptance Date
April 13, 2017
Published in Issue
Year 2017 Volume: 43 Number: 2