Work

Relationship Between Production Characteristics and Proportion of Body Measurements of Holstein Cows

Year: 2021

Type: article

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

Source: Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi

DOI: 10.18016/ksutarimdoga.vi.842397

Authors: Ahmet Refik ÖNAL, Ersin DAMA, Yahya Tuncay TUNA

Institution: Tekirdağ Namık Kemal University

Language: English

Topic: Genetic and phenotypic traits in livestock

Subfield: Genetics

Field: Biochemistry, Genetics and Molecular Biology

Domain: Life Sciences

SDG: Zero hunger

Open Access status: diamond

Funder: King Saud University