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Dairy industry
UDC 63

EFFECT OF LACTATION AGE ON DAILY MILK YIELD AND SOMATIC CELL COUNT Effect of Lactation Age on Daily Milk Yield and Somatic Cell Count

Published in Dairy industry · Issue 6 · Pages 19–23 · Rubric: Research Article
DOI: https://doi.org/10.21603/1019-8946-2023-6-12
Received: 04.09.2023 Accepted: 01.12.2023 Published: 25.12.2023 Language of publication: RUS
Authors
NA
Natalya Khudyakova
SPIN
IR
Irina Kogevnikova
IN
Inga Klassen
SPIN
AL
Alyona Kondakova
ABSTRACT
The somatic cell count in milk is part of any veterinary and sanitary examination. The entire livestock is tested for somatic cell count at least once a month during control milking. This indicator makes it possible to identify latent mastitis in cows. Somatic cell count depends on many production factors as it indicates udder health, compliance with technological standards, and milk grade. Milk processing enterprises value high-grade milk that can be used in baby food production. As a result, grade identification is of great economic and production importance for dairy producers. This research featured the correlation between the milk yield and the somatic cell count after the first, second, third, and further lactations. The authors analyzed qualitative and quantitative indicators of milk in cows of three age lactation groups from the same herd. The animals were grouped according to the somatic cell count in milk, corresponding to the highest, first, and second milk grades.
KEYWORDS
milk, fat, protein, somatic cells, cow, milk productivity, Kholmogory cow breed
Funding
Rabota podgotovlena v ramkah vypolneniya temy gosudarstvennogo zadaniya FGBUN FICKIA UrO RAN «Razrabotka sistemy proizvodstva polnocennoy i ekologicheski bezopasnoy produkcii otrasli molochnogo zhivotnovodstva v AZ RF na osnove ispol'zovaniya genotipirovannyh plemennyh zhivotnyh» (FUUW-2021-0005, № 121122800216-6).
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