Results 121 to 130 of about 14,782,076 (302)

Environmental factors on the prediction of the lactation curve of Holstein cows [PDF]

Pesquisa Agropecuária Brasileira
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 from the official
Amauri Felipe Evangelista, Rafaela Martins, Altair Antônio Valotto, Laila Talarico Dias, Rodrigo de Almeida Teixeira   +4 more
doaj   +1 more source

Heritability Estimates for First Lactation Milk Yield of Registered and Nonregistered Holstein Cows

Journal of Dairy Science, 1986
Abstract Heritabilities of milk yield and fat test were estimated from first lactation records of 196,672 Holstein daughter-dam pairs separately for registered and nonregistered cows for four milk yield groups and by years of freshening of the daughter. The model included herd-season and sire of the daughter.
Schneider, J. C., Van Vleck, L. Dale
openaire   +1 more source

Managing Dairy Heifer Growth Investment [PDF]

Accelerated prepubertal growth rates can lower heifer raising costs but may put heifers at risk for impaired mammary development and have been found to be detrimental decreased to milk production in the first lactation.
Vandehaar, M.J., Wolf, Christopher A., Hadrich, Joleen C.   +2 more
core  

Effects of pregnancy on daily milk yield of Holstein-Friesian dairy cattle

, 2004
First, second and third lactation curves of 21,885 first lactation dairy cows were allowed to vary depending on the months in milk at which the cow became pregnant. The curves were modelled using a 4th degree polynomial of days in milk. In the models for
Brotherstone, S., White, I. M. S., Thompson, R.   +2 more
core   +1 more source

Lactylation‐Driven PROS1‐TYRO3‐CARF Signaling Promotes Therapy‐Induced Senescence Escape and Radioresistance in Meningioma

Advanced Science, EarlyView.
A glycolysis‐driven epigenetic switch promotes therapy resistance in meningioma. Increased lactate production enhances histone H3K27 lactylation, which activates PROS1 secretion. Secreted PROS1 engages TYRO3 signaling to degrade the senescence regulator CARF, allowing cancer cells to escape growth arrest.
Zhuohang Wang, Qixiang Zhang, Keman Liao, Xiaoyu Liu, Hongchi Zhang, Yunsheng Chen, Yuxiao Ma, Yikui Liu, Aoqian Xu, Yuhao Sun, Jiayi Chen, Liuguan Bian, Baofeng Wang   +12 more
wiley   +1 more source

Evaluation of body condition score measured throughout lactation as an indicator of fertility in dairy cattle [PDF]

, 2004
Body condition score (BCS) records of primiparous Holstein cows were analyzed both as a single measure per animal and as repeated measures per sire of cow.
Banos, G, Coffey, MP, Brotherstone, S, Banos, G; id_orcid   +3 more
core   +1 more source

ROS/pH‐Responsive Phenylboronic Acid–Chitosan Nanoparticles Improve Silymarin‐Mediated Hepatoprotection After Hepatectomy With Gut‐Liver Axis‐Associated Responses

Advanced Science, EarlyView.
Bioactive phenylboronic acid–chitosan nanoparticles enable responsive silymarin delivery for post‐hepatectomy liver protection. The nanoplatform integrates antioxidant and antibacterial functions, improves hepatic recovery, and is associated with coordinated shifts in gut microbiota, metabolites, cytokines, and hepatic proteomic pathways, suggesting a ...
Jinjin Tong, Chaochao Luo, Zezheng Liu, Xinyan Zhang, Daixu Jia, Yang Sun, Zhaonan Zhang, Haoran Shi, Jianfang Wang, Hua Zhang   +9 more
wiley   +1 more source

Milk production, fluid balance and temperature regulation in lactating camels (Camelus dromedarius) [PDF]

, 2010
The aims of this thesis were to identify good milking and watering routines for camels, and to better understand the physiological mechanisms that enable camels to produce milk during long periods of water deprivation.
Bekele, Tafesse
core   +1 more source

Effect of intramammary infection with non-aureus staphylococci in early lactation in dairy heifers on quarter somatic cell count and quarter milk yield during the first 4 months of lactation [PDF]

, 2019
A longitudinal study was conducted to assess to what extent intramammary infection (EMI) with non-aureus staphylococci (NAS) within the first 4 d after calving in dairy heifers affects quarter milk yield (qMY) and quarter milk somatic cell count (qSCC ...
Valckenier, Dimitri, De Visscher, A, De Vliegher, S, De Visscher, Anneleen, Bruckmaier, RM, Piepers, S, Valckenier, D, Bruckmaier, R. M., Piepers, Sofie, De Vliegher, Sarne   +9 more
core   +1 more source

Asymmetric Structure‐Driven Functional Synergy: A Multistimuli‐Activated Janus Nanomotor for Self‐Amplifying NO Cascade Therapy

Advanced Science, EarlyView.
The Janus nanomotors leverage an “asymmetric structure‐driven functional synergy” strategy to orchestrate spatiotemporally coordinated catalytic functions, in situ self‐amplifying NO generation, and deep tumor penetration, thereby enabling controllable, sustained, and uniform NO generation within the tumor microenvironment.
Chengcheng Li, Yu Zhang, Yu Chen, Lingyun He, Xian Shen, Weijian Sun, Hongbo Zhang   +6 more
wiley   +1 more source