Results 161 to 170 of about 1,619 (186)

Immunocastration in adult boars as a model for late‐onset hypogonadism

Andrology, 2022
Abstract Background While immunocastration has been studied in male pre‐pubertal pigs, data on older, sexually mature animals are limited. To understand the physiological effects of androgen deprivation in the late sexual development phase, we compared mature immunocastrated boars (n = 19; average age = 480 days) to young male immunocastrated pigs (n =
Nina Batorek-Lukač, Kevin Kress, Marjeta Candek-Potokar   +2 more
exaly   +5 more sources

Sustainability of Pork Production with Immunocastration in Europe [PDF]

Sustainability, 2019
Immunocastration, a technique to replace surgical castration of piglets, consists of two consecutive vaccinations to induce antibodies which transiently suppress testicular functions and avoid boar taint. It is a method to ensure both a high product quality and a high level of animal welfare.
Kevin Kress, S Millet, Ulrike Weiler
exaly   +5 more sources

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Immunocastration of colts and immunospeying of fillies

Immunology & Cell Biology, 1993
SummaryA series of experiments using an ovalbumin conjugated gonadotrophin releasing hormone was used to stimulate antibody production, suppress testosterone secretion and depress testicular function in yearling and 2 year old colts and fillies. In the preliminary experiment, an injectable oil–based formulation was administered to yearling colts ...
Dowsett K.F., Tshewang U., Knott L.M., Jackson A.E., Trigg T.E.   +4 more
openaire   +4 more sources

Immunocastration in cattle and pigs

Livestock Production Science, 1995
Abstract Raising gonad-intact farm animals has many advantages over conventional castrates. Intact animals are generally more efficient in the conversion of feed into lean meat. In addition to decreasing production costs, better feed efficiency also leads to a reduction in the output of various biological pollutants, particularly nitrogen.
Bonneau, M., Enright, W.J.
openaire   +2 more sources

Immunocastration and immunospaying in horses

2022
This study has concentrated on the effects of an ovalbumin conjugated GnRH vaccine on the testicular function of colts, vaccinated at various ages from pre-pubertal to 3-yr old using three forms of the vaccine: mineral oil-based, water-based and subcutaneous implant.
openaire   +2 more sources

Mechanistic insight into the role of immunocastration on eliminating skatole in boars

Theriogenology, 2019
The accumulation of skatole in fat tissue is one of the predominant factors, causing boar taint. The present study was aimed to understand the mechanism whereby active immunization against GnRH (immunocastration) eliminates skatole in boars. Thirty-six boars were assigned within litter into three groups (n = 12): control, surgically castrated, or ...
Xingfa Han, Xiaohan Cao, Xiaogang Du
exaly   +3 more sources

Lysine requirement for growing-finishing immunocastrated male pigs

Tropical Animal Health and Production, 2015
Eighty boars (19.3 ± 2.49 kg) were vaccinated twice (100 and 128 days of age) against gonadotropin releasing hormone (Vivax™ vaccine), for a randomised block design study aiming to evaluate five digestible lysine (DLys) level treatments, with three phase-feeding per treatments (9-8-7; 10-9-8; 11-10-9; 12-11-10 and 13-12-11 g/kg) during the growing ...
Leandro, Alebrante, Juarez Lopes, Donzele, Rita Flavia Miranda de Oliveira, Donzele, Francisco Carlos de Oliveira, da Silva, Charles, Kiefer, Gabriel Cipriano, Rocha   +5 more
openaire   +2 more sources

Immunocastration in Bísaro Pig

2022
O porco Bísaro (BP), raça autóctone reconhecida pelos seus produtos de fumeiro de elevado valor, desempenha um papel importante na economia local. Os animais desta raça são abatidos em idades mais avançadas, normalmente acima do ano de idade, e com pesos vivos mais elevados, comparativamente aos dos sistemas industriais.
openaire   +1 more source

Sustainability in pork production with immunocastration

2021
The ERA-NET project SuSI deals with immunocastration (IC) as a sustainable alternative to pork production with surgical castrates and boars with the aim to optimize pork production on a social, environmental and economic level. Most male piglets in the EU are surgically castrated, which is painful and violates their physical integrity.
Stefanski, V., Aluwé, M., Čandek-Potokar, Marjeta, Ingenbleek, P., Kostyra, E., Labussière, Etienne, Maribo, H., Millet, S., Škrlep, M., van den Broeke, M., Vrecl, M., Zakowska-Biemans, S., Team, Susi   +12 more
openaire   +1 more source