Results 101 to 110 of about 329,940 (300)
Evaluation of growth performance and reproductive traits at puberty and attainment of sexual maturity in Bos indicus Nelore bulls raised in pasture management systems [PDF]
Revista Brasileira de ZootecniaThe objective of this study was to characterize the sexual development of 48 Nelore bulls by associating the findings of sperm analyses with growth traits and ultrasound-measured testicular traits.
Guilherme Fazan Rossi +10 more
doaj +1 more source
Characteristics of frozen thawed semen in predicting the fertility of buffalo bulls
Indian Journal of Animal Sciences, 2014 Information regarding the fertility index in relation to sperm attributes, which helps in the selection of future breeding bulls are meager in buffaloes.
Dharmendra Kumar +6 more
semanticscholar +1 more source
Vision of breeding for organic agriculture [PDF]
, 2003 This report describes the results of research into the vision of breeding systems within organic agriculture in the Netherlands. The purpose of the research was to arrive at a vision for breeding in organic agriculture by means of interviews and ...
Baars, Ton +4 more
core
Age and sex-related changes in superoxide dismutase activity in bovine tissues
Czech Journal of Animal Science, 2015 The influence of age, gender, and type of tissue on superoxide dismutase (SOD) activity in bovine organs and tissues was investigated. The investigated material consisted of fragments of tissues and organs (liver, heart, lung, kidney, skeletal muscles ...
M. Giergiel, M. Kankofer
doaj +1 more source
, 2014 This work was realized to evaluate the effect of natural additives as propolis or essential oils addition on animal performance, feed intake, apparent digestibility and carcass characteristics of bulls finished in feedlot.
M. V. Valero +5 more
semanticscholar +1 more source
Body and carcass measurements, carcass conformation and tissue distribution of high dairy genetic merit Holstein, standard dairy genetic merit Friesian and Charolais x Holstein-Friesian male cattle [PDF]
, 2007 peer-reviewedThe increased proportion of Holstein genes in the dairy herd may have undesirable consequences for beef production in Ireland. A total of 72 spring-born calves, (24 Holstein (HO), 24 Friesian (FR) and 24 Charolais X Holstein-Friesian (CH ...
Caffrey, Patrick J. +4 more
core
Sub-indexes for bulls ofHolsteinbreed in the Czech Republic
Czech Journal of Animal Science, 2005 Sub-indexes were constructed for bulls of the Holstein breed according to groups of production traits - production index for milk (IPH), sub-indexes for reproduction (IRH), longevity (IDH), health resistance (IOH) and fitness (IFH).
P. Šafus +4 more
doaj +1 more source
, 2014 Apart from others factors, carcass quality is determined by the animal’s age and body weight (BW) at the end of the fattening period. The aim of this study was to determine the optimum finishing weight of young crossbred ‘Polish Holstein Friesian’ (PHF) ×
Z. Nogalski +6 more
semanticscholar +1 more source
Models for evaluation of growth of performance tested bulls
Czech Journal of Animal Science, 2008 Before being used for insemination, young bulls of Czech Fleckvieh (CF) are tested for growth at performance-test stations. While at stations, the bulls are weighed monthly. Evaluation included 7 448 bulls with 82 676 records of weight measured from 6 to
J. Přibyl +5 more
doaj +1 more source
Journal of Medical Microbiology, 2013 Bovine trichomoniasis is a sexually transmitted protozoan disease with a worldwide distribution. It has been endemic in the USA for more than 80 years.
C. Yao
semanticscholar +1 more source