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Relationship Between Production Characteristics and Proportion of Body Measurements of Holstein Cows
Abstract
The objective of this study was to determine Holstein Cattle body measurements using digital imaging DIPM methods. The ratios were calculated by dividing each measurement by another and the relationship between the ratios and the output characteristics were evaluated. For this reason, the body measurements of the 198 heads of Holstein cattle breed dairy cows were calculated by the Set Object Video System (SOVS) process. The ratios were calculated by dividing each body measurement to another then the relationship between these ratios and the characteristics including the daily average milk yield (DAMY), the number of inseminations per calving (NIPC), the age at insemination (AFI) and the age at first calving (AFC) were evaluated. The relationship between DAMY, NIPC, AFI, AFC and body measurements were; withers height (WH), back height (BH), rump height (RH), pin bone height (PBH) ), chest depth (CD), body length (BL), trunk length (TL), body area (BA) and body perimeter (BP) was low, negative and not statistical significantly (p>0.05). The highest R2 measured for DAMY by WH (0.389 (p<0.01), for NIPC by BA (0.344 (p<0.05)), for AFI by BP (0.266 (p<0.05)) and for AFC by BP (0.249 (p<0.05)) used in multiple regression equations. It can be stated that the use of DIPM is more convenient than TM for the body measurement of milking cows. The estimated power of regression equations for estimating milk and reproductive output, such as DAMY, NIPC, AFI and AFC, were low for Holstein cattle breeding cows.
Keywords
Supporting Institution
Tekirdağ Namık Kemal Üniversitesi Bilimsel Araştırma Projeleri Birimi
Project Number
NKUBAP.03.YL.18.141
References
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Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Publication Date
December 31, 2021
Submission Date
December 17, 2020
Acceptance Date
January 28, 2021
Published in Issue
Year 2021 Volume: 24 Number: 6
APA
Önal, A. R., Dama, E., & Tuna, Y. T. (2021). Relationship Between Production Characteristics and Proportion of Body Measurements of Holstein Cows. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 24(6), 1343-1348. https://doi.org/10.18016/ksutarimdoga.vi.842397
Cited By
The principal component of body height linear type traits and the relationship level to milk yields as Holstein cattle selection criterion
Ankara Üniversitesi Veteriner Fakültesi Dergisi
https://doi.org/10.33988/auvfd.1251983