Results 81 to 90 of about 574 (166)

Effects of immunization against GnRH on gonadotropins, the GH-IGF-I-axis and metabolic parameters in barrows

Animal, 2008
Surgically castrated male piglets (barrows) reveal an increase in LH and a decrease in GH compared to untreated boars. Boars that were castrated by immunization against gonadotropin releasing hormone (GnRH) have decreased LH but maintain GH.
A. Bauer, M. Lacorn, K. Danowski, R. Claus   +3 more
doaj   +1 more source

Contraceptive Vaccines

Aktualʹnaâ Infektologiâ, 2014
Researches to develop vaccines with contraceptive effect are being carried out since the 1920s. Since 1972, the contraceptive vaccines are one of the priority programs of the World Health Organization (WHO Special Programme of Research, Development and ...
M.V. Supotnitsky
doaj   +1 more source

Moving towards boar taint-free meat: an overview of alternatives to surgical castration from a chain perspective [PDF]

, 2009
The objective of this study is to review important issues in boar taint prevention without surgical castration, namely alternatives to surgical castration, factors influencing boar taint development and economic considerations associated with the ...
Backus, G.B.C., Valeeva, N.I., Baltussen, W.H.M.   +2 more
core  

Immunocastration in Fattening Pigs and its Effects on Productive Performance

Scientific Papers Animal Science and Biotechnologies, 2023
According to the European and national legislation which set the minimum standards for pig protection, the castration of piglets after the age of seven days must be performed only under prolonged anaesthesia and analgesia. As far as welfare is concerned,
Ioana Andronie, Monica Pârvu, Constantin Nițu, Viorel Andronie   +3 more
doaj  

Field experience with surgical castration with anaesthesia, analgesia, immunocastration and production of entire male pigs: performance, carcass traits and boar taint prevalence

Animal, 2015
Male piglets are castrated to reduce boar taint and also to reduce aggressive and sexual behaviour. However, the procedure as traditionally performed is painful and negatively affects performance.
M. Aluwé, F.A.M. Tuyttens, S. Millet
doaj   +1 more source

Influence of sex and immunocastration on feed intake behavior, skatole and indole concentrations in adipose tissue of pigs

Animal, 2013
Feed intake behavior was studied between 9 weeks of age and slaughter in a total of 36 gilts, 32 immunocastrates, 33 surgically castrated barrows and 33 boars from 36 litters.
U. Weiler, M. Götz, A. Schmidt, M. Otto, S. Müller   +4 more
doaj   +1 more source

Non-invasive assessment of the reproductive cycle in free-ranging female African elephants (Loxodonta africana) treated with a gonadotropin-releasing hormone (GnRH) vaccine for inducing anoestrus

Reproductive Biology and Endocrinology, 2012
Background In southern Africa, various options to manage elephant populations are being considered. Immunocontraception is considered to be the most ethically acceptable and logistically feasible method for control of smaller and confined populations. In
Benavides Valades Gabriela, Ganswindt Andre, Annandale Henry, Schulman Martin L, Bertschinger Henk J   +4 more
doaj   +1 more source

GnRH-immunocastration: an alternative method for male animal surgical castration. [PDF]

Front Vet Sci, 2023
Wang C, Yang C, Zeng Y, Zhang M.
europepmc   +1 more source

Estudio del efecto de la inmunocastración (Improvac®) sobre los parámetros productivos en cerdos.

, 2011
Tesis presentada para optar al título de Médico Veterinario.El objetivo de la presente investigación fue estudiar el efecto sobre los parámetros productivos que origina el tratamiento con Improvac® como método alternativo a la castración quirúrgica.
Bastías Ahumada, Simón Pablo
core   +1 more source

Hangrise produktion - hvad sker der? [PDF]

, 2012
Hangriseproduktion – hvad sker der? • Stop for kastration? • Den politiske dagsorden • Hangriseproduktion i EU • Forudsætninger for hangriseproduktion • Kvalitet af hangrisekød • Måling af ornelugt • Anvendelse af hangrisekød ...
Støier , Susanne, Maribo, Hanne
core   +1 more source