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Effect of farm and birth season on calf body weight in the first week of life

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Authors
Samolovac, Ljiljana
Marinković, Miloš
Petričević, Maja
Stamenić, Tamara
Ćosić, Ivan
Beskorovajni, Radmila
Stanković, Branislav
Article (Published version)
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Abstract
The body weight of calves in the earliest period of their life (age from 0 to 7 days) is under the greatest influence of the farm and the season of birth. The farm manifests its influence most often through the conditions of nutrition and housing and the organization of the technological production process, while the influence of the birth season is manifested through microclimatic and nutritional conditions, as well. The most common deficiencies related to the nutrition of newborn calves are related to: inadequate colostrum supply in terms of quality, quantity and time of colostrum intake, which is closely related to the organization of the technological production process on the farm. Dietary deficiencies affect the body weight of calves at birth and at 8 days of age. In a study conducted over a year (4 seasons), the colostrum diet of newborn calves of the HF breed on two farms (A and B) with a tied housing system was analyzed. Calves were fed colostrum on both farms at i...ntervals, usually up to 2 hours, less often up to 4 hours after birth. The colostrum consumed came from the mother, most often, and less often from the other cow, while on one of the farms it was also used frozen. However, the amount of colostrum consumed was deficient, it was 1-2 l on farm A, and 2.5 to 3 l on farm B. The occurence of a deficient diet or other deficiencies in the diet of calves was indicated by the average body weight, measured at birth and at the age of 8 days. On farm A, a lower average body weight of calves (37.95 and 39.68 kg) was recorded than on farm B (40.00 and 41.80 kg) by age categories, respectively. The average body weight of calves was statistically significantly (p <0.01) influenced by the farm and the season of birth, as well as their mutual interaction, but the effect of the farm was more pronounced.

Keywords:
calves / colostrum diet / body weight / season / farm
Source:
Biotechnology in animal husbandry, 28-12-2020, 36, 3, 297-307
Publisher:
  • Institute for Animal Husbandry, Belgrade-Zemun
Projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200022 (Institute for Animal Husbandry, Belgrade-Zemun) (RS-200022)

DOI: doi.org/10.2298/BAH2003297S

ISSN: 1450-9156

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URI
http://r.istocar.bg.ac.rs/handle/123456789/720
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