Zobrazeno 1 - 10
of 298
pro vyhledávání: '"calf performance"'
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 7, Pp 4646-4657 (2024)
ABSTRACT: Knowledge is lacking on separation strategies that can best prepare calves to final separation from the dam in cow-calf contact (CCC) systems. This controlled trial compared the effects of 2 different methods to gradually reduce cows' acces
Externí odkaz:
https://doaj.org/article/a95eba331ec540199cf7d8296c378b30
Publikováno v:
Current Issues in Sport Science, Vol 9, Iss 1 (2024)
The single leg heel rise (SLHR) test is a widely used method for assessing calf muscle-tendon unit (MTU) endurance in various fields, including medicine, sports, and dance. The objectives of this study were to examine the reliability of a standardize
Externí odkaz:
https://doaj.org/article/a13dbfcf7cf544098384b5cac7b98b47
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 6, Pp 5062-5073 (2022)
ABSTRACT: Forty-eight newborn Holstein dairy calves [40 ± 3.4 (SD) of kg of body weight (BW); 24 females and 24 males] were used in a completely randomized design to investigate the effects of a mixture of phytobiotic-rich herbal extract (Immunofin,
Externí odkaz:
https://doaj.org/article/c5875dc1baab406aae0839e2ffdca62e
Publikováno v:
Frontiers in Animal Science, Vol 3 (2022)
Replacement heifers are key to the future milking herd and farm economic efficiency but are not always prioritised on dairy farms. Dairy enterprises are comprised of components which compete for limited resources; scarce information about calf perfor
Externí odkaz:
https://doaj.org/article/ddf7e5c6c0c0462f951faecb839900b1
Akademický článek
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Autor:
Jefferson R. Gandra, Leonardo O. Seno, Rusbel R. A. Borquis, Andrei Z. Escobar, Euclides R. de Oliveira, Rosalvo J. A. Santos, Nara R. B. Cônsolo, Anderson P. Acosta
Publikováno v:
Journal of Applied Animal Research, Vol 47, Iss 1, Pp 506-513 (2019)
This study investigates the influence of the breed of primiparous recipient cows on milk yield and composition during the lactation stage, as well as evaluating the carcass and performance characteristics of their calves at weaning. The experiment wa
Externí odkaz:
https://doaj.org/article/8bf82568f3cb4b09aa90b97eecfe09f6
Akademický článek
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Akademický článek
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Publikováno v:
Animal, Vol 9, Iss 6, Pp 958-965 (2015)
The first cause of death of dairy calves is often diarrhea which is mainly caused by pathogenic bacteria, which can result in excessive use of antibiotics. However, facing the increase concern by the industry and consumers, the use of antibiotics not
Externí odkaz:
https://doaj.org/article/85352d68f1884c7888a9577c2bbfc6a7
Autor:
Luís Carlos Vinhas Ítavo, Kepler Euclides Filho, Roberto Augusto de Almeida Torres Júnior, Camila Celeste Brandão Ferreira Ítavo, Ériklis Nogueira, Alexandre Menezes Dias
Publikováno v:
Revista Brasileira de Zootecnia, Vol 43, Iss 7, Pp 390-394 (2014)
The objective was to evaluate the effect of weight, age and production efficiency of cows from genetic groups based on the calf weight at calving and at weaning. For a period of five years, data of 120 cows (60 Angus-Nellore (AN) and 60 Simmental-Nel
Externí odkaz:
https://doaj.org/article/760995d539d24993bd9881c4371d1796