Zobrazeno 1 - 10
of 4 292
pro vyhledávání: '"HOLSTEIN COWS"'
Publikováno v:
Veterinární Medicína, Vol 69, Iss 6, Pp 185-190 (2024)
In order to determine the possibility of using infrared thermography (IRT) in preventing lameness in dairy cows, the aim of this study was to evaluate temperature variations depending on the lesion presence, measurement points and leg position. The s
Externí odkaz:
https://doaj.org/article/40e51170647541a984e0fffbe00ff184
Publikováno v:
مجلة ديالى للعلوم الزراعية, Vol 16, Iss 1, Pp 88-105 (2024)
The study was conducted on 75 Holstein cows imported from Germany to determine the chi-square value, the breeding value, the additive and dominance effect, and the effect of the allele of the HSP70 gene on the variation of total milk production and f
Externí odkaz:
https://doaj.org/article/9b1fec7c628749b394928d347c595e11
Autor:
Yongjie Tang, Jinning Zhang, Wenlong Li, Xueqin Liu, Siqian Chen, Siyuan Mi, Jinyan Yang, Jinyan Teng, Lingzhao Fang, Ying Yu
Publikováno v:
BMC Genomics, Vol 25, Iss 1, Pp 1-13 (2024)
Abstract Background Characterization of regulatory variants (e.g., gene expression quantitative trait loci, eQTL; gene splicing QTL, sQTL) is crucial for biologically interpreting molecular mechanisms underlying loci associated with complex traits. H
Externí odkaz:
https://doaj.org/article/9c9b9185dcc74da1b4755ae77b47d859
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 5, Pp 3006-3019 (2024)
ABSTRACT: The aims of this study were to estimate genetic parameters and to identify genomic regions associated with eating time (ET) and rumination time (RUT) in Holstein dairy cows. Genetic correlations among ET, RUT, and milk yield traits were als
Externí odkaz:
https://doaj.org/article/e97f438d64dc4c40ad1f558936664d64
Autor:
Carolina L. Gonzalez Berrios, Courtney F. Bowden, Hamad M. Saad, Jeanette V. Bishop, Hana Van Campen, Pablo Pinedo, Thomas R. Hansen, Milton G. Thomas
Publikováno v:
Frontiers in Genetics, Vol 15 (2024)
Introduction: Targeted single nucleotide polymorphisms (SNPs) have been used in genomic prediction methodologies to enhance the accuracy of associated genetic transmitting abilities in Holstein cows. The objective of this study was to identify and va
Externí odkaz:
https://doaj.org/article/c4544973ed784ca88e9d5b4932bc6853
Autor:
L. Brulin, S. Ducrocq, G. Even, M.P. Sanchez, S. Martel, S. Merlin, C. Audebert, P. Croiseau, J. Estellé
Publikováno v:
Animal, Vol 18, Iss 8, Pp 101243- (2024)
The performance of dairy cows is influenced by the microbial communities hosted within their digestive tract. While the rumen microbiota has long been associated with host phenotypes, the impact of the faecal microbiota remains elusive. In this study
Externí odkaz:
https://doaj.org/article/8c92e1f64bba4477b68c9ab4d4b02b9e
Autor:
Adili Abulaiti, Umair Ahsan, Zahid Naseer, Zulfiqar Ahmed, Wenju Liu, Chongmei Ruan, Xunsheng Pang, Shujuan Wang
Publikováno v:
Frontiers in Veterinary Science, Vol 11 (2024)
The present study investigated the effects of various inclusion levels of dietary Chinese herbal medicine (CHM) preparation on feed consumption, milk yield and milk composition, serum biochemistry, hematological profile, and reproductive efficiency o
Externí odkaz:
https://doaj.org/article/26cc9541e02f4a06b63bbaaea3d75fd2
Autor:
Lun Tan, Xianzhi Sun, Jingjing Li, Qingfeng Wang, Zhao Zhuo, Yu Li, Yanjing Su, Caiyun Fan, Jianbo Cheng
Publikováno v:
Italian Journal of Animal Science, Vol 22, Iss 1, Pp 51-58 (2023)
This study was conducted to investigate the effects of Bupleurum extract (BE) on the haematological profiles, the mineral and hormone levels of heat stressed dairy cows. Forty Holstein cows (75 ± 15 days in milk, 37.5 ± 1.8 kg of milk/d, and 1.7 ±
Externí odkaz:
https://doaj.org/article/43b0621808b34559a71a23de1ef46ecf
Publikováno v:
Animals, Vol 14, Iss 20, p 3033 (2024)
Cow behavior carries important health information. The timely and accurate detection of standing, grazing, lying, estrus, licking, fighting, and other behaviors is crucial for individual cow monitoring and understanding of their health status. In thi
Externí odkaz:
https://doaj.org/article/a7967e24180a4377be1c1a8494fb34f2
Autor:
Chunfang Li, Haitong Wang, Yikai Fan, Zengpo Zhou, Yuanbao Li, Shengchao Liang, Yabin Ma, Shujun Zhang
Publikováno v:
Animals, Vol 14, Iss 19, p 2785 (2024)
Fatty acid is an important factor affecting the nutritional quality of milk. In this study, we collected and assessed 78,086 milk samples from 12,065 Chinese Holstein cows from 11 farms in Northern China from November 2019 to September 2022. The cont
Externí odkaz:
https://doaj.org/article/ba76506001b342a48fb60d8d7601fee0