Results 21 to 30 of about 329,940 (300)
Journal of Dairy Science, 2020 Our previous work indicated that feeding oregano essential oil (OEO) in combination with monensin (MON) may not be mutually beneficial to dairy calf growth performance.
Jianping Wu +11 more
semanticscholar +1 more source
Біологія тварин, 2023 An integrated assessment of the productivity of precocious Hereford and Aberdeen Angus beef bulls of English breeding in the Ukraine Steppe zone conditions was carried out.
V. S. Kozyr
doaj +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 +4 more
doaj +1 more source
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 +3 more
core +2 more sources
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2007 Avaliaram-se os efeitos da administração da somatotrofina bovina recombinante (r-bST) sobre os metabólitos sangüíneos de touros da raça Nelore de duas diferentes idades.
L.S. Amorim +4 more
doaj +1 more source
Livestock marketing in six auctions in Costa Rica from 2007 to 2013.
Cuadernos de investigación UNED, 2015 Changes in sale and purchase of livestock allow identification of the type of animal that producers want, variations in supply and demand, and their impact on price.
Rodolfo WingChing-Jones +1 more
doaj +1 more source
Spermatogenesis and Sertoli cell numbers and function in rams and bulls.
Journal of reproduction and fertility. Supplement, 2019 The two main types of cellular associations (type I, 2 generations of spermatocytes + 1 of spermatids; type II, 1 of spermatocytes and 2 of spermatids) occupy, respectively, more than half and about a third of the seminiferous epithelium cycle in rams ...
H. Mt, C. Monet-Kuntz, M. Courot
semanticscholar +1 more source
Review: Spermatogenesis in the bull [PDF]
Animal, 2018 Spermatogenesis is a finely regulated process of germ cell multiplication and differentiation leading to the production of spermatozoa in the seminiferous tubules. Spermatogenesis can be divided into three parts: spermatocytogenesis, meiosis and spermiogenesis.
Staub, Christophe, Johnson, L.
openaire +5 more sources
, 2018 The effects of sex and slaughter age on growth, feed intake, carcass composition and meat quality attributes of musculus longissimus lumborum were investigated in Charolais × Simmental bulls (n = 12) and heifers (n = 12) reared and finished under ...
D. Bureš, L. Bartoň
semanticscholar +1 more source