Immunocontraceptives: New Approaches to Fertility Control
The rapidly increasing global population has bowed the attention of family planning and associated reproductive health programmes in the direction of providing a safe and reliable method which can be used to limit family size. The world population is estimated to exceed a phenomenal 10 billion by the year 2050 A.D., thus presenting a real jeopardy of ...
Kiranjeet Kaur +2 more
wiley +1 more source
Regulation of 3β-Hydroxysteroid Dehydrogenase/∆5-∆4 Isomerase: A Review [PDF]
This review focuses on the expression and regulation of 3β-hydroxysteroi ddehydrogenase/Δ5-Δ4 isomerase (3β-HSD), with emphasis on the porcine version. 3β-HSD is often associated with steroidogenesis, but its function in the metabolism of both steroids ...
Abbaszade +121 more
core +2 more sources
Immunocastration reduces aggressive and sexual behaviour in male pigs
The aim of this study was to evaluate the effectiveness of a gonadotropin-releasing hormone (GnRH) vaccine, Improvac™ (Pfizer Ltd), in suppressing aggressive and sexual behaviour of male pigs.
L. Rydhmer, K. Lundström, K. Andersson
doaj +1 more source
Ovarian down Regulation by GnRF Vaccination Decreases Reproductive Tract Tumour Size in Female White and Greater One-Horned Rhinoceroses. [PDF]
Reproductive tract tumours, specifically leiomyoma, are commonly found in female rhinoceroses. Similar to humans, tumour growth in rhinoceroses is thought to be sex hormone dependent.
Robert Hermes +11 more
doaj +1 more source
Abstract Five epidemiological aspects of ASF were evaluated using literature reviews, field studies, questionnaires and mathematical models. First, a literature review and a case–control study in commercial pig farms emphasised the importance of biosecurity and farming practices, including the spread of manure around farms and the use of bedding ...
European Food Safety Authority (EFSA) +11 more
wiley +1 more source
Rendimientos productivos y calidad de la canal de hembras, machos castrados quirurgicamente y machos inmunocastrados procedentes de líneas paternas duroc y pietrain [PDF]
Tradicionalmente la castración quirúrgica ha sido la práctica más habitual en la producción de cerdo blanco destinado a la industria de productos cárnicos curados. La castración quirúrgica conlleva un empeoramiento de los rendimientos productivos
Berrocoso, J. +5 more
core
Differential expression and co-expression gene networks reveal candidate biomarkers of boar taint in non-castrated pigs [PDF]
Boar taint (BT) is an offensive odour or taste observed in pork from a proportion of non-castrated male pigs. Surgical castration is effective in avoiding BT, but animal welfare issues have created an incentive for alternatives such as genomic selection.
Do, Duy N. +4 more
core +3 more sources
Penile Injuries in Immunocastrated and Entire Male Pigs of One Fattening Farm
Penile injuries in boars have been discussed as a relevant welfare problem in pork production with entire males (EM). The incidence of penile injuries with immunocastrated boars has not been described so far.
Simon Reiter +4 more
doaj +1 more source
The gonadotrophin‐releasing hormone vaccine Improvac® was associated with a reduction in aggressive behaviors, although these did not significantly diminish until the fourth vaccination. However, 8 months following the initial vaccination with Improvac®, the unvaccinated bull exhibited heightened aggression, resulting in an injury to the vaccinated ...
Jessica J. Harley +3 more
wiley +1 more source
Feeding driet chicory root to pigs decrease androstenone accumulation in fat by increasing hepatic 3β hydroxysteroid dehydrogenase expression [PDF]
The present study investigated the in vivo effect of chicory root on testicular steroid concentrations and androstenone metabolizing enzymes in entire male pigs.
Brunius, Carl +3 more
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