Results 41 to 50 of about 440 (158)

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   +3 more sources

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

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

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

Single or repeated immunization against GnRH fails to completely abolish spermatogenesis in dwarf bucks (Capra hircus)

, 2023
7 Pág. Departamento de Reproducción Animal​In both captive wildlife and production animals is important to develop strategies for population control.
Giriboni, Julia, Santiago-Moreno, Julián, Velázquez, Rosario, Rodolfo Ungerfeld, Eva Martínez‐Nevado, Toledano-Díaz, A., Ungerfeld, Rodolfo, Martínez-Nevado, Eva, Juncal García, Adolfo Toledano‐Díaz, Julia Giriboni, Julián Santiago‐Moreno, García, Juncal, Rosario Velázquez   +13 more
core   +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

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

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

Mycoplasma hyopneumoniae vaccination at or shortly before weaning under field conditions: a randomised efficacy trial

Veterinary Record, Volume 181, Issue 1, Page 19-19, July 2017., 2017
This study assessed the efficacy of two different Mycoplasma hyopneumoniae vaccination programmes in relation to the time of weaning. Eight hundred and twenty‐eight piglets were randomly divided into three groups: group V1 was vaccinated three days before weaning, group V2 at weaning (21 days of age) and group NV was left non‐vaccinated.
I. Arsenakis, A. Michiels, R. Del Pozo Sacristán, F. Boyen, F. Haesebrouck, D. Maes   +5 more
wiley   +1 more source

Immunocastration as an alternative to caponization: evaluation of its effect on body and bone development and on meat color and composition [PDF]

, 2017
Caponization is associated with some morbidity and mortality, which contributes to important economic losses. This practice is executed without any pain relief (neither anesthesia nor analgesia) and can be painful and without consideration of animal ...
I.C. Antunes, Ribeiro, Maria, Antunes, I.C., Prazeres, S, R.J.B. Bessa, Bessa, R.J.B., M.F. Ribeiro, M.A.G. Quaresma, Martins da Costa, Paulo, S. Prazeres, Quaresma, M.A.G., P. Martins da Costa   +11 more
core   +1 more source