Results 71 to 80 of about 518 (158)
Application of immunocastration in a commercial Dohne Merino ram flock before weaning [PDF]
, 2018 The influence of pre-weaning immunocastration on the growth, incidences of reaction to vaccination, serum testosterone concentration and slaughter performance of ram lambs was determined and compared to that of physically castrated lambs ...
Lambrechts, H. +3 more
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Aktualʹnaâ Infektologiâ, 2014 Researches to develop vaccines with contraceptive effect are being carried out since the 1920s. Since 1972, the contraceptive vaccines are one of the priority programs of the World Health Organization (WHO Special Programme of Research, Development and ...
M.V. Supotnitsky
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]
J Anim Sci, 2018 Sanz A +4 more
europepmc +3 more sources
Immunocastration in Fattening Pigs and its Effects on Productive Performance
Scientific Papers Animal Science and Biotechnologies, 2023 According to the European and national legislation which set the minimum standards for pig protection, the castration of piglets after the age of seven days must be performed only under prolonged anaesthesia and analgesia. As far as welfare is concerned,
Ioana Andronie +3 more
doaj
Animal, 2015 Male piglets are castrated to reduce boar taint and also to reduce aggressive and sexual behaviour. However, the procedure as traditionally performed is painful and negatively affects performance.
M. Aluwé, F.A.M. Tuyttens, S. Millet
doaj +1 more source
Animal, 2013 Feed intake behavior was studied between 9 weeks of age and slaughter in a total of 36 gilts, 32 immunocastrates, 33 surgically castrated barrows and 33 boars from 36 litters.
U. Weiler +4 more
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Immunokastrering av hangrisar [PDF]
, 2008 Active immunization against gonadotropin-releasing hormone (GnRH) is an alternative to surgical castration of male pigs to avoid boar taint. The aim of this study, including 128 pigs, was to evaluate the effect of a GnRH-vaccine Improvac® on performance ...
Öijer, Johanna
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Reproductive Biology and Endocrinology, 2012 Background In southern Africa, various options to manage elephant populations are being considered. Immunocontraception is considered to be the most ethically acceptable and logistically feasible method for control of smaller and confined populations. In
Benavides Valades Gabriela +4 more
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Effect of immunocastration and caponization on fatty acid composition of male chicken meat [PDF]
, 2019 Recently, immunocastration with Improvac (ImmC). has been tested in broilers and a considerable reduction in serum testosterone concentration (reduced by 79% compared to roosters) was observed.
Ribeiro, Maria +11 more
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Unterdrückung der Fortpflanzungsaktivität durch aktive Immunisierung gegen GnRH beim adulten weiblichen Schaf [PDF]
, 2009 Das Ziel dieser Arbeit war es, die Wirksamkeit einer anti-GnRH Vakzine auf die Zyklusaktivität beim adulten Schaf während der Zuchtsaison abzuklären.
Meijerink, E +4 more
core +1 more source