Results 31 to 40 of about 260 (132)

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

Review on the consequences of using Improvac TM in modern pig production [PDF]

Veterinary Science Development, 2013
In Europe growing concerns regarding animal welfare issues in pig production have forced the pig industry to introduce alternative methods to conventional castration procedures. Besides the raising of entire males and castration in combination with analgesia and anaesthesia the vaccination against GnRF (Gonadotropin-releasing factor) seems to be the ...
openaire   +1 more source

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

Histological and Morphometric Examination of the Testes of Boars and Male Pigs Immunocastrated with Improvac®

Acta Scientiae Veterinariae, 2017
Background: Surgical castration of male piglets is frequently performed to prevent development of an unpleasant taste and flavor in meat of mature males, called boar taint. Disadvantages of this method are primarily related to the lower feed efficiency of surgically castrated male pigs, production of less lean meat and more fat on the carcasses than ...
Stojanovic, Slobodan, Uscebrka, Gordana, Zikic, Dragan, Stukelj, Marina   +3 more
openaire   +3 more sources

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

Performance and carcass quality traits of Iberian × Duroc crossbred pig subject to gender and age at the beginning of the free-range finishing phase

Animal, 2021
The traditional production of the Iberian breed pig involves a long production cycle. It might be shortened by using Iberian pigs crossed with Duroc and by reducing the growing phase, but the age-related changes on productive performance and carcass ...
A. Ortiz, D. Tejerina, S. García-Torres, P. Gaspar, E. González   +4 more
doaj   +1 more source