Results 131 to 140 of about 504 (152)
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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 +2 more
exaly +3 more sources
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 +2 more
exaly +3 more sources
Einfluss einer GnRH-Vakzine (Improvac®) auf Gewichtszunahmen und Schlachtkörperqualität von Ebern
Tierarztliche Praxis Ausgabe G: Grosstiere - Nutztiere, 2011Zusammenfassung 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
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.
F R Dunshea
exaly +3 more sources
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.
F R Dunshea
exaly +3 more sources
Animal Reproduction Science, 2008
The objective of this study was to evaluate the long-term effect of a gonadotropin-releasing hormone (GnRH) vaccine, Improvac (Pfizer Ltd.), on the levels of GnRH antibodies, testosterone, estrone sulphate (E1S) and androstenone, as well as skatole and indole in male pigs.
Lotta Rydhmer +2 more
exaly +3 more sources
The objective of this study was to evaluate the long-term effect of a gonadotropin-releasing hormone (GnRH) vaccine, Improvac (Pfizer Ltd.), on the levels of GnRH antibodies, testosterone, estrone sulphate (E1S) and androstenone, as well as skatole and indole in male pigs.
Lotta Rydhmer +2 more
exaly +3 more sources
Theriogenology, 2009
The objective of this study was to determine the short and long term effects of a gonadotropin-releasing hormone (GnRH) vaccine (Improvac Pfizer Ltd.), on sexual maturity, development of the reproductive organs, and the morphology of caudal epididymal spermatozoa in non-castrated male pigs.
Heriberto Rodríguez-Martínez +2 more
exaly +3 more sources
The objective of this study was to determine the short and long term effects of a gonadotropin-releasing hormone (GnRH) vaccine (Improvac Pfizer Ltd.), on sexual maturity, development of the reproductive organs, and the morphology of caudal epididymal spermatozoa in non-castrated male pigs.
Heriberto Rodríguez-Martínez +2 more
exaly +3 more sources
Reproduction in Domestic Animals, 2007
ContentsThe objective of this study, comprising two trials, was to evaluate the effect of a gonadotropin‐releasing hormone (GnRH‐vaccine ImprovacTM; Pfizer Ltd) in a sample of the Swedish pig population. The pigs (n = 120) were assigned to three groups: control (entire male pigs), surgical castration and immunization against GnRH.
G, Zamaratskaia +5 more
openaire +2 more sources
ContentsThe objective of this study, comprising two trials, was to evaluate the effect of a gonadotropin‐releasing hormone (GnRH‐vaccine ImprovacTM; Pfizer Ltd) in a sample of the Swedish pig population. The pigs (n = 120) were assigned to three groups: control (entire male pigs), surgical castration and immunization against GnRH.
G, Zamaratskaia +5 more
openaire +2 more sources
Growth performance and carcass characteristics of Improvac-treated male pigs compared with barrows.
Berliner und Munchener tierarztliche Wochenschrift, 2014The present study assessed the effects of using Improvac (Pfizer Animal Health, Germany) on growth performance and meat characteristics in cross-bred male pigs. In addition average daily weight gain of immunised and surgically castrated males was estimated in order to demonstrate differences in growing patterns in these two treatment groups.
Anna, Albrecht +4 more
openaire +1 more source
Australian Journal of Agricultural Research, 2003
The use of a vaccine (Improvac) directed against gonadotrophin-releasing factor (GnRF), to prevent boar taint in male pigs, is also associated with an increase in feed consumption, growth, and higher deposition of subcutaneous fat. Daily administration of porcine somatotropin (pST) consistently increases average daily gain, and feed conversion ...
I. McCauley +6 more
openaire +1 more source
The use of a vaccine (Improvac) directed against gonadotrophin-releasing factor (GnRF), to prevent boar taint in male pigs, is also associated with an increase in feed consumption, growth, and higher deposition of subcutaneous fat. Daily administration of porcine somatotropin (pST) consistently increases average daily gain, and feed conversion ...
I. McCauley +6 more
openaire +1 more source
Biochemical Blood Parameters in Enrire Boars and Boars Vaccinated with Improvac®
2011The objective of this study was to evaluate and to compare the effect of vaccination with Improvac on biochemical bloood parameters in mature boars under commercial AI conditions. A total of 19 Danish Landrace boars: 10 entire males (Control) and 9 males (Test) vaccinated with Improvac were included into the trial.
Bilskis, Ronaldas +3 more
openaire +1 more source