Results 101 to 110 of about 252 (132)

Immunocontraception of male domestic cats using GnRH vaccine Improvac

Theriogenology, 2023
The domestic cat is a highly prolific species; thus, reproductive control is crucial to reducing feral cat overpopulation. This study aimed to assess the effect of a commercially-available GnRH vaccine for swine on suppressing sperm production in male cats. Twelve sexually mature tomcats were randomly divided into two groups.
Romina Nunez Favre, Maria Alejandra Stornelli, Ramiro Rearte   +2 more
exaly   +4 more sources

EFFECTS OF A GNRH VACCINE (IMPROVAC®) ON PATAGONIAN (OTARIA BYRONIA) AND CALIFORNIA SEA LIONS (ZALOPHUS CALIFORNIANUS)

Journal of Zoo and Wildlife Medicine, 2021
Improvac® is a gonadotropin-releasing hormone vaccine developed to reduce "boar taint" in the meat of male domestic pig. The use of Improvac for contraception of zoo and free-living animals has been increasing in recent years. This study reports the use, efficacy, and side effects of Improvac on five male sea lions.
Javier, Martinez-Giménez, Luis, Ferrero-Vicente, Yedra, Feltrer-Rambaud   +2 more
exaly   +3 more sources

Immunocastration with Improvac™ reduces aggressive and sexual behaviours in male pigs

Applied Animal Behaviour Science, 2013
Abstract Surgical castration of male pigs is a common practice to reduce the risk of boar taint, an accumulation of pheromones in the muscles of pigs giving an undesirable odour to the pork of entire boars. Castration is not widely practiced in the UK for welfare reasons and indeed, assurance schemes will not allow castrated animals into their ...
Amanda Nevel
exaly   +2 more sources

Effects of Improvac and Bopriva on the testicular function of boars ten weeks after immunization

Animal Reproduction Science, 2013
This study investigated the effects of Improvac and Bopriva, two anti-GnRF immunization products, on testicular function in boars. We predicted that both products would diminish testicular function; however, we specifically tested the hypothesis that the duration of efficacy for Bopriva would be longer than that of Improvac. Animals were immunized with
Christopher Pearl
exaly   +3 more sources

Early immunocastration of male pigs with Improvac® – Effect on boar taint, hormones and reproductive organs

Vaccine, 2011
The aim of this study was to investigate the effect of a vaccine against gonadotropin-releasing hormone (GnRH), Improvac(®) (Pfizer Ltd), administered at a pre- or early pubertal stage on boar taint, hormonal status and reproductive organs. Crossbred male pigs (Swedish Yorkshire dams×Swedish Landrace sires or Swedish Yorkshire sires, n=192) were at ...
Galia Zamaratskaia, Carl Brunius, Andrzej Madej   +2 more
exaly   +3 more sources

Einfluss einer GnRH-Vakzine (Improvac®) auf Gewichtszunahmen und Schlachtkörperqualität von Ebern

Tierarztliche Praxis Ausgabe G: Grosstiere - Nutztiere, 2011
Zusammenfassung Gegenstand und Ziel: Vergleich von Wirkung und Einfluss der GnRH-Vakzine Improvac® (Pfizer GmbH, Berlin) mit der chirurgischen Kastration bei männlichen Mastschweinen. Material und Methoden: Tiere der Gruppe K (n = 205) wurden in der 1. Lebenswoche (LW) chirurgisch kastriert, Schweine der Gruppe V (n = 191) in der 12.
S Zölß, M Ritzmann, A Palzer
exaly   +2 more sources

Vaccination of boars with a GnRH vaccine (Improvac) eliminates boar taint and increases growth performance.

Journal of Animal Science, 2001
Peri- and postpubertal boars accumulate substances (e.g., androstenone and skatole) in their fatty tissue that are responsible for boar taint in pork. The objective of this study was to assess the efficacy of a GnRH vaccine, Improvac, in eliminating boar taint.
Dunshea F R, Walker J, F R Dunshea
exaly   +3 more sources