Results 31 to 40 of about 925 (178)

Active immunisation against GnRH as treatment for unilateral granulosa theca cell tumour in mares

open access: yesEquine Veterinary Journal, Volume 53, Issue 4, Page 740-745, July 2021., 2021
Abstract Background Stallion‐like or aggressive behaviour in mares affected by unilateral granulosa theca cell tumour (GTCT) is well‐known, but use of a GnRH‐vaccine as an alternative to surgical removal of the neoplastic ovary has not been investigated.
Daphne Behrendt   +5 more
wiley   +1 more source

Use of anti-gonadotropin-releasing hormone vaccines in African elephants (Loxodonta africana): A review

open access: yesBothalia: African Biodiversity & Conservation, 2018
Background: Androgen-related aggressive behaviour and musth cause serious problems in captive African elephant bulls and often lead to human and animal injuries, and damage to property.
Hendrik J. Bertschinger, Imke Lueders
doaj   +1 more source

Resource efficiency and economic implications of alternatives to surgical castration without anaesthesia [PDF]

open access: yes, 2009
This paper presents an analysis of the economic implications of alternative methods to surgical castration without anaesthesia. Detailed research results on the economic implications of four different alternatives are reported.
Baltussen, W.H.M.   +3 more
core   +2 more sources

Effect of early immunocastration on testicular histology in pigs

open access: yesVeterinární Medicína, 2018
The objective of this study was to investigate short- and long-term effects of early immunocastration with Improvac® vaccine, administered in two doses, at ages eight and 14 weeks, on testicular histology in pigs slaughtered eight or 15 weeks after the ...
Z. Sladek   +5 more
doaj   +1 more source

Combined Effect of Dietary Protein, Ractopamine, and Immunocastration on Boar Taint Compounds, and Using Testicle Parameters as an Indicator of Success

open access: yesFoods, 2020
This study investigates the combined effect of immunocastration, dietary protein level (low, medium or high) and ractopamine hydrochloride supplementation (0 or 10 mg/kg) on the adipose concentrations of androstenone, skatole and indole in pigs, and ...
Tersia Needham   +4 more
doaj   +1 more source

Effect of active immunization against GnRH on testosterone concentration, libido and sperm quality in mature AI boars

open access: yesActa Veterinaria Scandinavica, 2012
Background The aim of the present study was to investigate the efficacy of the Improvac on testosterone concentration in blood serum, sexual behavior and sperm quality in matured AI boars.
Bilskis Ronaldas   +4 more
doaj   +1 more source

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   +1 more source

Monitoring of behavior, sex hormones and boar taint compounds during the vaccination program for immunocastration in three sire lines [PDF]

open access: yes, 2019
Immunocastration (vaccination against boar taint) is an alternative method to prevent boar taint without the need for surgical castration. This study investigates the evolution of boar taint compounds in serum and fat, serum steroid compounds as well as ...
Aluwé, M   +9 more
core   +2 more sources

Performance and carcass quality traits of Iberian × Duroc crossbred pig subject to gender and age at the beginning of the free-range finishing phase

open access: yesAnimal, 2021
The traditional production of the Iberian breed pig involves a long production cycle. It might be shortened by using Iberian pigs crossed with Duroc and by reducing the growing phase, but the age-related changes on productive performance and carcass ...
A. Ortiz   +4 more
doaj   +1 more source

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