Results 21 to 30 of about 440 (158)

mRNA Expression of CYP2E1, CYP2A19, CYP1A2, HSD3B, SULT1A1 and SULT2A1 genes in surgically castrated, immunologically castrated, entire male and female pigs and correlation with androstenone, skatole, indole and Improvac-specific antibody levels [PDF]

open access: yesCzech Journal of Animal Science, 2019
This study aimed to obtain a comprehensive look at the influence of castration on mRNA expression of the genes CYP2E1, CYP1A2, CYP2A19, HSD3B, SULT2A1 and SULT1A1 and their correlation with boar taint compounds (androstenone, skatole and indole) and ...
Anna Kubešová   +6 more
doaj   +2 more sources

Management of intraspecific aggression in two bull giraffes (Giraffa camelopardalis ssp. rothschildi) [PDF]

open access: yesZoo Biology, Volume 43, Issue 4, Page 383-390, July/August 2024.
The gonadotrophin‐releasing hormone vaccine Improvac® was associated with a reduction in aggressive behaviors, although these did not significantly diminish until the fourth vaccination. However, 8 months following the initial vaccination with Improvac®, the unvaccinated bull exhibited heightened aggression, resulting in an injury to the vaccinated ...
Jessica J. Harley   +3 more
wiley   +2 more sources

GnRH Vaccine Could Suppress Serum Testosterone in Stallion Mules [PDF]

open access: yesAnimals
Stallion mules have been used as working equids in several countries. Aggressiveness under the influence of testosterone results in the necessity for surgical castration before work training.
Siriporn Khumsap   +3 more
doaj   +2 more sources

Histological and Morphometric Examination of the Testes of Boars and Male Pigs Immunocastrated with Improvac®

open access: yesActa Scientiae Veterinariae, 2017
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   +4 more sources

Growth responses of entire and immunocastrated male pigs to dietary protein with and without ractopamine hydrochloride

open access: yesAnimal, 2017
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   +2 more sources

Two complementary methods to control gonadotropin‐releasing hormone vaccination (Improvac®) misuse in horseracing: Enzyme‐linked immunosorbent assay test in plasma and steroidomics in urine [PDF]

open access: yesDrug Testing and Analysis, 2017
Since the availability on the European market of the vaccine Improvac® dedicated to male pig immunological castration, the risk of misuse of this product in horses is now considered as a threat for the horseracing industry. Immunological castration is not allowed by the racing codes (immune system, Article 6).
Ludovic Bailly-Chouriberry   +2 more
exaly   +3 more sources

Evaluación de la eficacia de inmunocastración (Improvac) en machos porcinos y su impacto en la calidad de la carne [PDF]

open access: yes, 2011
La castración quirúrgica de los lechones es un procedimiento de manejo que ha sido practicado por siglos en granjas de todo el mundo. Los cerdos machos se castran para reducir su comportamiento agresivo, facilitar el manejo y prevención del olor a verraco, un sabor/olor desagradable, distintivo que puede ser percibido durante la preparación o la ...
Martínez Mena, Noel Ernesto   +1 more
openaire   +1 more source

Wiederaufnahme der Hodenfunktion bei Ebern nach Immunisierung gegen das Go-nadotropin Releasing Hormon (GnRH) mit dem kommerziellen Antigen IMPROVAC®

open access: yes, 2012
Traditionally, male pigs are surgically castrated without anaesthesia to avoid later occurrence of the sex odour androstenone in the carcass.Active immunization against GnRH is a painless alternative which inhibits LH and thus steroidogenesis in the Leydig cells.Time between second vaccination and return of Leydig cell function is unknown.
Rottner, Silke Maren   +1 more
openaire   +5 more sources

Effects of an anti-gonadoliberin releasing hormone vaccine on testicular, epididymal and spermatogenic development in the horse. [PDF]

open access: yesReprod Domest Anim, 2022
Abstract The effects of the GnRH vaccine Improvac® on testicular and epididymal morphometrics, histology and spermatogenesis were measured in 19 young (15–20 months) colts randomly assigned to one control (saline, castration at 57 days, n = 6) or either of two GnRH vaccine‐treatment groups, T‐57 (castration at 57 days, n = 7) or T‐100 (castration at ...
Botha AE   +7 more
europepmc   +2 more sources

Advances in the ultrasound diagnosis in equine reproductive medicine: New approaches. [PDF]

open access: yesReprod Domest Anim, 2022
Abstract Ultrasound technology has led to new lines of research in equine reproduction, and it has helped to greatly improve clinical diagnosis and reproductive outcomes in equine practice. This review aims to discuss the potential clinical uses and new approaches of ultrasonography in equine reproduction.
Ortega-Ferrusola C   +6 more
europepmc   +2 more sources

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