Results 11 to 20 of about 172,993 (306)

Prevalence of BoHV-1 seropositive and BVD virus positive bulls on Irish dairy farms and associations between bull purchase and herd status [PDF]

, 2015
peer-reviewedBackground BVD and IBR are contagious viral diseases highly prevalent in Irish cattle. Despite their significant reproductive and economic impact very little is known about the BVD and IBR status of stock bulls (a bull used ...
Martinez-Ibeas, Ana M, McClure, Jennifer, Power, C., Sayers, Riona   +3 more
core   +2 more sources

Development of protocols and efficiency of ozone-containing drugs for the treatment of livestock with reproductive pathologies

Theoretical and Applied Veterinary Medicine, 2022
For animals with reproductive pathologies, a comprehensive program treatment that considers the principle of drug action is widespread. One of the essential points of the program is the use of antibacterial drugs. Available drugs have variable activities,
P. М. Skliarov, S. Y. Fedorenko, S. V. Naumenko, O. V. Onyshchenko, A. M. Pasternak, V. I. Koshevoy, V.P. Koshevoy   +6 more
doaj   +1 more source

Genetic Relationship Between the United States and Canadian Holstein Bull Populations [PDF]

, 1988
The average additive genetic relationship and degree of connectedness between American and Canadian Holstein AI bull populations were estimated. This project was undertaken to determine the feasibility of a joint United States-Canadian sire evaluation to
BANOS, G, CADY, RA
core   +1 more source

Time budgets of finishing bulls housed in an uninsulated barn or at pasture

Agricultural and Food Science, 2015
This study aimed at comparing the behaviour of finishing bulls raised in an uninsulated barn (UB) and at pasture (PAS). In experiment 1, dairy bulls were housed in an uninsulated barn (two groups of five bulls, 32 m2/pen) or at pasture (groups of four ...
Leena Tuomisto, Jaakko Mononen, Paula Martiskainen, Leena Ahola, Arto Kalevi Huuskonen   +4 more
doaj   +1 more source

Sperm DNA Hypomethylation Proximal to Reproduction Pathway Genes in Maturing Elite Norwegian Red Bulls

Frontiers in Genetics, 2020
Genomic selection in modern farming demands sufficient semen production in young bulls. Factors affecting semen quality and production capacity in young bulls are not well understood; DNA methylation, a complicated phenomenon in sperm cells, is one such ...
Abdolrahman Khezri, Birgitte Narud, Else-Berit Stenseth, Teklu Tewoldebrhan Zeremichael, Frøydis Deinboll Myromslien, Robert C. Wilson, Rafi Ahmad, Elisabeth Kommisrud   +7 more
doaj   +1 more source

Supplementing Citrus aurantium Flavonoid Extract in High-Fat Finishing Diets Improves Animal Behavior and Rumen Health and Modifies Rumen and Duodenum Epithelium Gene Expression in Holstein Bulls

Animals, 2022
One hundred and forty-six bulls (178.2 ± 6.64 kg BW and 146.0 ± 0.60 d of age) were randomly allocated to one of eight pens and assigned to control (C) or citrus flavonoid (BF) treatments (Citrus aurantium, Bioflavex CA, HTBA, S.L.U., Barcelona, Spain, 0.
Montserrat Paniagua, Javier Francisco Crespo, Anna Arís, Maria Devant   +3 more
doaj   +1 more source

The effective use of adaptogens of various origins on the cattle productivity

Open Veterinary Journal, 2023
Background: In conditions of industrial animal husbandry, it is necessary to pay attention to the immune system, which regulates metabolic processes in the body of animals. To do this, additives with adaptive properties attract attention. Aim: The aim
Irina Mironova, Ruzel Khabibullin, Dmitry Blagov, Oksana Krupina, Ilvir Khabibullin   +4 more
doaj   +1 more source

Bovine genital leptospirosis: Findings in bulls maintained in Caatinga biome conditions

Pesquisa Veterinária Brasileira, 2023
: Leptospirosis is a disease that causes economic and social impact, as it affects wild and domestic animals and humans. There may be peculiarities in the epidemiology of this disease in the Caatinga biome, Brazil, where the environment is adverse and ...
Nathanael N.C. Barnabé, Rafael R. Soares, Denise B. Nogueira, João P. Araújo Júnior, Camila D. Malossi, Diego F. Costa, Maria L.C.R. Silva, Severino S.S. Higino, Sérgio S. Azevedo, Clebert J. Alves   +9 more
doaj   +1 more source

Guarding against malicious biased threats (GAMBiT) datasets: Revealing cognitive bias in human-subjects red-team cyber range operationsIEEE DataPort

Data in Brief
We present datasets from three large-scale human-subject experiments involving red-team hacking in a cyber range in the Guarding Against Malicious Biased Threats (GAMBiT) project. Across Experiments 1-3 (July 2024-March 2025), 19-20 skilled attackers per
Brandon Beltz, Jim Doty, Yvonne Fonken, Nikolos Gurney, Brett Israelsen, Nathan Lau, Stacy Marsella, Rachelle Thomas, Stoney Trent, Peggy Wu, Ya-Ting Yang, Quanyan Zhu   +11 more
doaj   +1 more source

The influence of selected factors on the muscle fibre diameter according to the sexual classification of slaughter cattle

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2010
The aim of this study was to evaluate the muscle fibre diameter of bulls (n = 136), heifers (n = 38) and steers (n = 18). The influence of age at slaughter, weight at slaughter, net daily weight gain, SEUROP meatiness and SEUROP fatness on the muscle ...
Kateřina Němcová, Jan Šubrt, Eliška Dračková, Radek Filipčík   +3 more
doaj   +1 more source