Zobrazeno 1 - 10
of 266
pro vyhledávání: '"calving season"'
Autor:
Amauri Felipe Evangelista, Rafaela Martins, Altair Antônio Valotto, Laila Talarico Dias, Rodrigo de Almeida Teixeira
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 59 (2024)
Abstract The objective of this work was to evaluate the influence of environmental factors on the lactation curve parameters and milk yield of Holstein cows. Data on lactations conducted from 2010 to 2019 in the state of Paraná, Brazil, obtained fro
Externí odkaz:
https://doaj.org/article/94b542ec42294c5ea7aa81869ac89b68
Publikováno v:
Dairy, Vol 5, Iss 1, Pp 217-228 (2024)
The aim of the present research was to study the influence of the calving season in conditions of the upcoming climate changes on the productive traits of dairy cows in Bulgaria. The study was conducted on a cattle farm with a capacity of 500 dairy c
Externí odkaz:
https://doaj.org/article/eaa47a00098a4709ba9a3c06c5b14f53
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 9, Pp 6232-6248 (2023)
ABSTRACT: As US dairy cow production evolves, it is important to characterize trends and seasonal patterns to project amounts and fluctuations in milk and milk components by states or regions. Hence, this study aimed to (1) quantify historical trends
Externí odkaz:
https://doaj.org/article/639dda0f63b34585a72c9c6e25dd1931
Autor:
Daniel Falta, Lenka Zapletalová, Oto Hanuš, Josef Kučera, Milan Večeřa, Gustav Chládek, Radek Filipčík, Tomáš Kopec, Francois Stefanus Lategan
Publikováno v:
Czech Journal of Animal Science, Vol 68, Iss 3, Pp 99-110 (2023)
The aim of this study was to improve the understanding of the contribution of components typically found in milk, but which are not often included in analyses, to the nutritional status of dairy cows. This was undertaken by analysing the amount and c
Externí odkaz:
https://doaj.org/article/dd37797f728d4afc92a327a1b1e7a777
Autor:
Nikšić Dragan, Mićić Nenad, Ostojić-Andrić Dušica, Perišić Predrag, Lazarević Marina, Petričević Veselin, Samolovac Ljiljana
Publikováno v:
Acta Agriculturae Serbica, Vol 28, Iss 56, Pp 131-135 (2023)
Milk fat content stands out as a crucial production trait in cows, and this study delves into its variability based on various factors. The research investigated how the housing method (large farm or individual producers), origin (domestic-rearing or
Externí odkaz:
https://doaj.org/article/e495bb132c934ea298d5a35268c90e02
Akademický článek
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Autor:
I. V. Shpyt, Ye. I. Fedorovych
Publikováno v:
Науковий вісник Львівського національного університету ветеринарної медицини та біотехнологій імені С.З. Гжицького. Серія: Сільськогосподарські науки, Vol 24, Iss 96, Pp 106-112 (2022)
It is known that different levels of milk productivity characterize cows of the same breed in different farms or climatic breeding areas. Therefore, our work aimed to investigate the influence of environmental factors on dairy productivity features m
Externí odkaz:
https://doaj.org/article/40f873b115964f55b029347fa00627f4
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 41, Iss 2, Pp 358-358 (2023)
The aim of the paper was to study the influence of the calving season on the milk, butterfat and protein yield per normal lactation. Researches were carried out on 125 lactations from Romanian Black and White cows from the Didactical Farm Timişoara.
Externí odkaz:
https://doaj.org/article/01319af90658472cb0984806ea10cd78
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 41, Iss 2, Pp 389-389 (2023)
The aim of the paper was to study the evolution of the chemical composition and somatic cell count during lactation in Romanian Black and White cows and effect of calving season on the shape of the lactation curve. Lactations form 125 multiparous cow
Externí odkaz:
https://doaj.org/article/f27d2b073e3541e295562a5f559909bc
Autor:
Simona Baul, Ludovic-Toma Cziszter, Stelian Acatincai, Iulian Tripon, Silvia Erina, Dinu Gavojdian, Adela Marcu
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 47, Iss 2, Pp 229-229 (2023)
Researches were made on 125 lactations from Romanian Black Spotted cows, aimed at studying the evolution of the interval between calving on milk quantity and quality. Data were recorded and statistically analyzed by means of ANOVA/MANOVA determining
Externí odkaz:
https://doaj.org/article/6b978399ad6a4a08ab2c8b06ab831258