Results 51 to 60 of about 574 (166)

Effect of dietary energy level in finishing phase on performance, carcass and meat quality in immunocastrates and barrows in comparison with gilts and entire male pigs

Animal, 2022
Immunocastration, a technique consisting of two vaccinations against gonadotropin-releasing hormone (GnRH), can be used as alternative to surgical castration of piglets.
A. Van den Broeke, M. Aluwé, K. Kress, V. Stefanski, M. Škrlep, N. Batorek, B. Ampe, S. Millet   +7 more
doaj   +1 more source

Active immunisation against GnRH as treatment for unilateral granulosa theca cell tumour in mares

Equine Veterinary Journal, Volume 53, Issue 4, Page 740-745, July 2021., 2021
Abstract Background Stallion‐like or aggressive behaviour in mares affected by unilateral granulosa theca cell tumour (GTCT) is well‐known, but use of a GnRH‐vaccine as an alternative to surgical removal of the neoplastic ovary has not been investigated.
Daphne Behrendt, Dominik Burger, Steffen Gremmes, Katja Szunyog, Selena Röthemeier, Harald Sieme   +5 more
wiley   +1 more source

Effect of early immunocastration on testicular histology in pigs

Veterinární Medicína, 2018
The objective of this study was to investigate short- and long-term effects of early immunocastration with Improvac® vaccine, administered in two doses, at ages eight and 14 weeks, on testicular histology in pigs slaughtered eight or 15 weeks after the ...
Z. Sladek, M. Prudikova, A. Knoll, P. Kulich, I. Steinhauserova, G. Borilova   +5 more
doaj   +1 more source

A utilização do Improvac(R) na imunocastração de frangos: efeito de diferentes protocolos de imunocastração na composição e qualidade da carne

, 2017
Este estudo pretendeu avaliar o efeito de diferentes protocolos de imunocastração (diferentes número de injecções e diferentes doses) na redução da testosterona plasmática e peso testicular, e compreender as suas implicações ao nível das performances produtivas (ingestão de alimento, GMD, IC e rendimento de estiva) e na composição e qualidade da carne (
Antunes, Irene Cristina Silva
core   +4 more sources

Effect of active immunization against GnRH on testosterone concentration, libido and sperm quality in mature AI boars

Acta Veterinaria Scandinavica, 2012
Background The aim of the present study was to investigate the efficacy of the Improvac on testosterone concentration in blood serum, sexual behavior and sperm quality in matured AI boars.
Bilskis Ronaldas, Sutkeviciene Neringa, Riskeviciene Vita, Januskauskas Aloyzas, Zilinskas Henrikas   +4 more
doaj   +1 more source

Combined Effect of Dietary Protein, Ractopamine, and Immunocastration on Boar Taint Compounds, and Using Testicle Parameters as an Indicator of Success

Foods, 2020
This study investigates the combined effect of immunocastration, dietary protein level (low, medium or high) and ractopamine hydrochloride supplementation (0 or 10 mg/kg) on the adipose concentrations of androstenone, skatole and indole in pigs, and ...
Tersia Needham, Rob M. Gous, Helet Lambrechts, Elsje Pieterse, Louwrens C. Hoffman   +4 more
doaj   +1 more source

Growth responses of entire and immunocastrated male pigs to dietary protein with and without ractopamine hydrochloride

Animal, 2017
The interaction between dietary balanced protein, ractopamine (RAC) and Improvac (IMP) on the growth response of 120 individually penned male PICC pigs was evaluated.
T. Needham, L.C. Hoffman, R.M. Gous
doaj   +1 more source

Extending the interval between second vaccination and slaughter: I. Effects on growth, scrotal size and stress responses of immunocastrated ram lambs

Animal, 2019
Immunocastration provides a less invasive means of castrating lambs. Considering increasing consumer awareness, the efficacy of this technique on commercial slaughter lambs needs to be further investigated and its effects on growth and stress responses ...
T. Needham, H. Lambrechts, L.C. Hoffman
doaj   +1 more source

Immunocastration and its effects on carcass and meat traits of male pigs

Semina: Ciências Agrárias, 2018
To compose the experiment, 160 male Topgen pigs - 80 surgically castrated (treatment 1) and 80 immunocastrated (treatment 2) - were randomly selected from a commercial swine farm at the moment of slaughter.
Nayara Andreo, Ana Maria Bridi, Caio Abércio da Silva, Louise Manha Peres, Barbara de Lima Giangareli, Évelyn Rangel dos Santos, Camila Piechnicki Rogel, Jéssica Gonçalves Vero, Guilherme Agostinis Ferreira   +8 more
doaj   +3 more sources

Carcass Characteristics and Primal Pork Cuts of Gilts, Boars, Immunocastrates and Barrows Using AutoFOM III Data of a Commercial Abattoir

Animals, 2020
The surgical castration of male piglets as a routine procedure in modern pig production is facing increasing societal criticism. Pork production with boars and immunocastrates are available alternatives, but both have low market shares as it is so far ...
Kevin Kress, Jens Hartung, Johannes Jasny, Volker Stefanski, Ulrike Weiler   +4 more
doaj   +1 more source