Results 71 to 80 of about 329,940 (300)
Boletim de Indústria Animal, 2019 Breeding soundness examination allows evaluating characteristics indicative of male fertility. However, these characteristics can differ between breeds.
Naiara Nantes Rodrigues +6 more
doaj +4 more sources
Studies In Kedah-Kelantan, Brahman And Crossbred Bulls At Puberty And Sexual Maturity [PDF]
, 1987 Physiological differences within and between breeds could be important in genetic selection and in the planning of management programmes for maximization of reproductive efficiency.
Dikiyati Yansumayutipa, Ismaya
core
Calculation of multiple-trait sire reliability for traits included in a dairy cattle fertility index [PDF]
, 2004 The advent of genetic evaluations for fertility traits in the UK offers valuable information to farmers that can be used to control fertility problems and safeguard against involuntary culling.
Banos, Georgios +5 more
core +1 more source
RuminantsThe purpose of this study was to evaluate the effects of short- and long-distance road transport and temperament on β-endorphin (β-EP) concentrations in 23 Limousine bulls, aged 12 ± 2 months old, taking into account the related effect on body weight (BW)
Esterina Fazio +4 more
doaj +1 more source
Breeding soundness evaluation of young beef bulls [PDF]
, 2007 The overall aims were to learn more about factors affecting fertility in Swedish beef sires in general and in yearling beef bulls in particular, focusing mainly on sexual maturity and hind limb health finding useful tools in order to be able to routinely
Persson, Ylva
core
Besnoitiosis in bulls in Portugal
Veterinary Record, 2005 BOVINE besnoitiosis is caused by Besnoitia besnoiti, a coccidial protozoan (Fayer 1981, Tadros and Laarman 1982). Animals of all ages may be affected, but clinical disease is unusual in calves younger than six months of age (Bigalke 1968). The disease usually occurs sporadically, and most infections are subclinical (Pols 1960, Bigalke 1968).
Cortes, Helder Carola Espiguinha +6 more
openaire +4 more sources
Validation and Improvement of the Beef Production Sub-index in Ireland for Beef Cattle [PDF]
, 2009 End of project reportThe objectives of the following study were to: a. Quantify the effect of sire genetic merit for BCI on: 1. feed intake, growth and carcass traits of progeny managed under bull or steer beef production systems. 2.
Berry, Donagh +5 more
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Animal, 2014 This study examined the relationship of residual feed intake (RFI) with digestion, body composition, carcass traits and visceral organ weights in beef bulls offered a high concentrate diet. Individual dry matter (DM) intake (DMI) and growth were measured
C. Fitzsimons, D. Kenny, M. McGee
semanticscholar +1 more source
Animal breeding in organic farming [PDF]
, 2001 After a general introduction into the available breeding techniques for animal breeding and an overview of the organic principles, points for discussion are identified and scenario's for organically accepted breeding methods are ...
Baars, T. +4 more
core +1 more source