Results 31 to 40 of about 252 (132)
Background: Androgen-related aggressive behaviour and musth cause serious problems in captive African elephant bulls and often lead to human and animal injuries, and damage to property.
Hendrik J. Bertschinger, Imke Lueders
doaj +1 more source
Effect of early immunocastration on testicular histology in pigs
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 +5 more
doaj +1 more source
PSXV-1 The effect of Improvac® at two live weights on testes size, behavior, gains and hormonal profile of beef bulls. [PDF]
Sanz A +4 more
europepmc +3 more sources
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 +4 more
doaj +1 more source
Review on the consequences of using Improvac TM in modern pig production [PDF]
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
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 +4 more
doaj +1 more source
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
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 +3 more
openaire +3 more sources
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 +4 more
doaj +1 more source
Immunocastration and its effects on carcass and meat traits of male pigs
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 +8 more
doaj +3 more sources

