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Characteristics and variability of udder scores of simmental first calving heifers

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2021
bitstream_4160.pdf (568.7Kb)
Authors
Nikšić, Dragan
Pantelić, Vlada
Ostojić Andrić, Dušica
Perišić, Predrag
Lazarević, Marina
Samolovac, Ljiljana
Delić, Nikola
Article (Published version)
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Abstract
Visual assessment and recognition of milk performance traits of cows are preliminary indicators of milk yield, longevity, as well as reproductive abilities of the animal, which is very important from the aspect of economy of milk production. Deficiencies in udder traits lead to poorer production, difficult milking and premature weaning of cows from the herd. The paper examines the frequency of desirable scores for a certain trait in first-calving heifers distinguished by way of keeping (heads reared by individual producers/holdings and heads reared on the farm) and by origin (domestic and imported animals), as well as the influence of these two factors on the observed traits. Five udder traits were analyzed: front udder length, rear udder length, rear udder height, central ligament, and udder depth on a total of 954 first-calving Simmental heifers. Observed by the way of rearing, higher frequency of desirable scores for all udder traits were achieved by cows reared on the farm, while a...ccording to the origin of cows, higher frequency of desirable scores for all udder traits was achieved by imported cows compared to domestic cows. The influence of factors of housing/keeping and origin, examined by χ2 test on all examined linear scores (frequency of scores) of udder traits was statistically very highly significant (p≤0.001), while the analysis of variance (F test) showed very high significance (p≤0.001) of interaction of origin and method of rearing on the traits of the central ligament and the udder depth, and significance (p≤0.05) on the height of the rear udder, however, no statistical significance (p>0.05) of this interaction was established on other linear scores of udder traits (length of the front and rear udder).

Keywords:
Simmental, udder, rear udder height, front udder length, central ligament
Source:
Biotechnology in Animal Husbandry, 2021, 37, 3, 203-212
Publisher:
  • Institute for Animal Husbandry, Belgrade-Zemun, Serbia
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200022 (Institute for Animal Husbandry, Belgrade-Zemun) (RS-200022)

DOI: 10.2298/BAH2103203N

[ Google Scholar ]
URI
http://r.istocar.bg.ac.rs/handle/123456789/832
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
RIStocar
TY  - JOUR
AU  - Nikšić, Dragan
AU  - Pantelić, Vlada
AU  - Ostojić Andrić, Dušica
AU  - Perišić, Predrag
AU  - Lazarević, Marina
AU  - Samolovac, Ljiljana
AU  - Delić, Nikola
PY  - 2021
UR  - http://r.istocar.bg.ac.rs/handle/123456789/832
AB  - Visual assessment and recognition of milk performance traits of cows are preliminary indicators of milk yield, longevity, as well as reproductive abilities of the animal, which is very important from the aspect of economy of milk production. Deficiencies in udder traits lead to poorer production, difficult milking and premature weaning of cows from the herd. The paper examines the frequency of desirable scores for a certain trait in first-calving heifers distinguished by way of keeping (heads reared by individual producers/holdings and heads reared on the farm) and by origin (domestic and imported animals), as well as the influence of these two factors on the observed traits. Five udder traits were analyzed: front udder length, rear udder length, rear udder height, central ligament, and udder depth on a total of 954 first-calving Simmental heifers. Observed by the way of rearing, higher frequency of desirable scores for all udder traits were achieved by cows reared on the farm, while according to the origin of cows, higher frequency of desirable scores for all udder traits was achieved by imported cows compared to domestic cows. The influence of factors of housing/keeping and origin, examined by χ2 test on all examined linear scores (frequency of scores) of udder traits was statistically very highly significant (p≤0.001), while the analysis of variance (F test) showed very high significance (p≤0.001) of interaction of origin and method of rearing on the traits of the central ligament and the udder depth, and significance (p≤0.05) on the height of the rear udder, however, no statistical significance (p>0.05) of this interaction was established on other linear scores of udder traits (length of the front and rear udder).
PB  - Institute for Animal Husbandry, Belgrade-Zemun, Serbia
T2  - Biotechnology in Animal Husbandry
T1  - Characteristics and variability of udder scores of simmental first calving heifers
VL  - 37
IS  - 3
SP  - 203
EP  - 212
DO  - 10.2298/BAH2103203N
ER  - 
@article{
author = "Nikšić, Dragan and Pantelić, Vlada and Ostojić Andrić, Dušica and Perišić, Predrag and Lazarević, Marina and Samolovac, Ljiljana and Delić, Nikola",
year = "2021",
abstract = "Visual assessment and recognition of milk performance traits of cows are preliminary indicators of milk yield, longevity, as well as reproductive abilities of the animal, which is very important from the aspect of economy of milk production. Deficiencies in udder traits lead to poorer production, difficult milking and premature weaning of cows from the herd. The paper examines the frequency of desirable scores for a certain trait in first-calving heifers distinguished by way of keeping (heads reared by individual producers/holdings and heads reared on the farm) and by origin (domestic and imported animals), as well as the influence of these two factors on the observed traits. Five udder traits were analyzed: front udder length, rear udder length, rear udder height, central ligament, and udder depth on a total of 954 first-calving Simmental heifers. Observed by the way of rearing, higher frequency of desirable scores for all udder traits were achieved by cows reared on the farm, while according to the origin of cows, higher frequency of desirable scores for all udder traits was achieved by imported cows compared to domestic cows. The influence of factors of housing/keeping and origin, examined by χ2 test on all examined linear scores (frequency of scores) of udder traits was statistically very highly significant (p≤0.001), while the analysis of variance (F test) showed very high significance (p≤0.001) of interaction of origin and method of rearing on the traits of the central ligament and the udder depth, and significance (p≤0.05) on the height of the rear udder, however, no statistical significance (p>0.05) of this interaction was established on other linear scores of udder traits (length of the front and rear udder).",
publisher = "Institute for Animal Husbandry, Belgrade-Zemun, Serbia",
journal = "Biotechnology in Animal Husbandry",
title = "Characteristics and variability of udder scores of simmental first calving heifers",
volume = "37",
number = "3",
pages = "203-212",
doi = "10.2298/BAH2103203N"
}
Nikšić, D., Pantelić, V., Ostojić Andrić, D., Perišić, P., Lazarević, M., Samolovac, L.,& Delić, N.. (2021). Characteristics and variability of udder scores of simmental first calving heifers. in Biotechnology in Animal Husbandry
Institute for Animal Husbandry, Belgrade-Zemun, Serbia., 37(3), 203-212.
https://doi.org/10.2298/BAH2103203N
Nikšić D, Pantelić V, Ostojić Andrić D, Perišić P, Lazarević M, Samolovac L, Delić N. Characteristics and variability of udder scores of simmental first calving heifers. in Biotechnology in Animal Husbandry. 2021;37(3):203-212.
doi:10.2298/BAH2103203N .
Nikšić, Dragan, Pantelić, Vlada, Ostojić Andrić, Dušica, Perišić, Predrag, Lazarević, Marina, Samolovac, Ljiljana, Delić, Nikola, "Characteristics and variability of udder scores of simmental first calving heifers" in Biotechnology in Animal Husbandry, 37, no. 3 (2021):203-212,
https://doi.org/10.2298/BAH2103203N . .

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