Zobrazeno 1 - 10
of 18 746
pro vyhledávání: '"DAIRY COW"'
Autor:
Chenguang Zhang, Huifeng Liu, Xingwei Jiang, Zhihong Zhang, Xinfeng Hou, Yue Wang, Dangdang Wang, Zongjun Li, Yangchun Cao, Shengru Wu, Sharon A. Huws, Junhu Yao
Publikováno v:
Microbiome, Vol 12, Iss 1, Pp 1-21 (2024)
Abstract Background Despite the growing number of studies investigating the connection between host genetics and the rumen microbiota, there remains a dearth of systematic research exploring the composition, function, and metabolic traits of highly h
Externí odkaz:
https://doaj.org/article/1731ff8c5e2948f0aa8c96191104df01
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-8 (2024)
Abstract Retained fetal membranes (RFM) is an important reproductive disease in dairy cows, caused by maternal and fetal placental tissue adhesion. The main collagen in maternal and fetal placenta tissues is collagen type IV (COL-IV) and its breakdow
Externí odkaz:
https://doaj.org/article/a33115f6e48f47c7a2c5dd30bade4b45
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 7744-7755 (2024)
ABSTRACT: The study investigated the effects of dietary protein level and the inclusion of hydroponic barley sprouts (HB) on lactation performance, blood biochemistry and N use efficiency in mid-lactation dairy cows. Treatments were arranged in a 2
Externí odkaz:
https://doaj.org/article/842c343d5f28476da69c464e8b148b57
Autor:
R.M.A. Goselink, A.T.M. van Knegsel, A. Bannink, R.M. Bruckmaier, J. Dijkstra, G. van Duinkerken, J.T. Schonewille, W.H. Hendriks
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8569-8581 (2024)
ABSTRACT: Omitting or shortening the dry period may result in a fairly constant ration throughout the transition period of dairy cows, reducing the need for adaptation of cow metabolism and rumen function to a new lactation. The objective of this stu
Externí odkaz:
https://doaj.org/article/dbc94e88dc9c4438a5274abd0e17a6e0
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8259-8270 (2024)
ABSTRACT: The objective of this study was to evaluate the effect of selective dry cow therapy (SDCT) strategies based on 2 different algorithms in comparison with blanket dry cow therapy for measures of udder health, milk yield, and culling in herds
Externí odkaz:
https://doaj.org/article/b802e0f3bfbf4e6dac364be28f94fdec
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8343-8365 (2024)
ABSTRACT: The objectives of this observational cohort study were to evaluate the associations of rumination time (RT) in the last week of pregnancy with transition cow metabolism, inflammation, health, and subsequent milk production, reproduction, an
Externí odkaz:
https://doaj.org/article/fb72a4b3b5da4073b887779b95c07c97
Autor:
J. Denis-Robichaud, A.P. Oliveira, A. Sica, S. Soriano, R.L. Araújo, M.H.C. Pereira, K.G. Pohler, R.L.A. Cerri, J.L.M. Vasconcelos
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8582-8591 (2024)
ABSTRACT: In this study, the main objective was to assess if long luteal phases could have causes other than pregnancy loss. We enrolled Holstein dairy cows ≥50 DIM from a commercial herd in Brazil from October 2016 to August 2017. All cows receive
Externí odkaz:
https://doaj.org/article/390ea63f2f3f4f988b59494bec39d4f8
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8329-8342 (2024)
ABSTRACT: Information is needed on vaccination protocols used by veterinarians and dairy producers to prevent and control infections in dairy herds. This observational study described farm's vaccination standard operating procedures (SOP) developed b
Externí odkaz:
https://doaj.org/article/b50cb37ee0414d3394894d3322fc2845
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8058-8071 (2024)
ABSTRACT: Early lactation is a critical period for dairy cows, as energy requirements rapidly increase with the onset of lactation; however, early-lactation DMI in pasture-based systems are under measured. The objectives of this study were (1) to mea
Externí odkaz:
https://doaj.org/article/4dc26f5845c34371bc12988f27f57b21
Autor:
M. Nehme Marinho, M.C. Perdomo, B. Souza Simões, A. Husnain, U. Arshad, C.C. Figueiredo, J.E.P. Santos
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 7918-7931 (2024)
ABSTRACT: The objectives of this study were to determine the effects of 2 dietary microbial additives on productive performance and feed efficiency when supplemented to diets of Holstein cows. One hundred seventeen Holstein cows were enrolled at 61 d
Externí odkaz:
https://doaj.org/article/93d0b90563ca4e63a776c95e437eeb58