Results 111 to 120 of about 329,940 (300)

Trans-scrotal ultrasonography and breeding soundness evaluation of bulls in a herd of dairy and beef cattle with poor reproductive performance [PDF]

open access: yes, 2011
The present study was undertaken to determine the fertility soundness of unselected bulls used for breeding based on a standard breeding soundness evaluation technique (BSE) and trans-scrotal ultrasonography (TSU). A total of 8 bulls, with the mean age
Ganesamurthi, Perumal   +6 more
core  

Effects of an aerobic training program on oxidative stress biomarkers in bulls

open access: yesVeterinární Medicína, 2010
The aim of this study was to evaluate the effect of aerobic training (16 weeks - T1 and 24 weeks - T2) on oxidative stress biomarkers. To this end, GSH, GSH-peroxidase (GSH-Px) and catalase (CAT) activity were analysed in plasma.
B.M. Escribano   +7 more
doaj   +1 more source

Bull of Pope Paul V [PDF]

open access: green, 1912
W. H. Grattan Flood, Vladimír Paul
openalex   +1 more source

The Effect of Slaughter Weight and Fattening Intensity on Changes in Carcass Fatness in Young Holstein-Friesian Bulls

open access: yes, 2014
The objective of this study was to determine the effect of body weight (BW) at slaughter and fattening intensity on carcass fatness and meat fatty acid profile in young Holstein-Friesian bulls. One-hundred bulls fattened on two levels of intensity a semi-
Z. Nogalski   +6 more
semanticscholar   +1 more source

Subfertility Problems Leading to Disposal of Breeding Bulls

open access: yesAsian-Australasian Journal of Animal Sciences, 2013
Subfertility problems are encountered frequently in the cattle and buffalo bulls commercially maintained for semen production in dairy farms and under field conditions for natural insemination.
Marzina Khatun   +3 more
semanticscholar   +1 more source

Genetic aspects of calving, growth, and carcass traits in beef cattle [PDF]

open access: yes, 2003
The aim of this thesis was to learn more about the genetic background of calving, growth and carcass traits of beef cattle breeds in Sweden, and to assess the possibility of including calving traits and commercial carcass traits in the genetic evaluation.
Eriksson, Susanne
core  

Effects of re-infection with Neospora caninum in bulls on parasite detection in semen and blood and immunological responses [PDF]

open access: yes, 2013
Three bulls with experimentally induced primary infection with Neospora caninum were re-infected intravenously with 108 live N. caninum tachyzoites of the NC-1 isolate at 300 days post-infection to investigate the presence of N.
Aduriz, G.   +9 more
core  

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