Involvement of glucocorticoids in testicular involution after active immunization of boars against GnRH
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چکیده
منابع مشابه
Active immunization of prepubertal boars against testosterone: testicular and endocrine responses at 14 months of age.
Thirteen crossbred boars were immunized at 1 mo of age against either testosterone-3-oxime-equine serum albumin (treated boars) or equine serum albumin (control boars) to test the hypothesis that active immunization against testosterone stimulates testicular growth and development in the prepubertal boar. All boars were injected with the appropriate antigen at 2, 3, 4, 5 and 6 mo of age and wer...
متن کاملEffect of active immunization against GnRH on testosterone concentration, libido and sperm quality in mature AI boars
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. A total of nine Danish Landrace AI boars were included in the analysis. METHODS The trial period lasted for 15 weeks and was divided into four periods: Control period: three weeks before vaccination; Period...
متن کاملThe effects of active immunization against gnRH on testicular development, feedlot performance, and carcass characteristics of beef bulls.
The objective was to determine the effects of a recombinant fusion protein anti-GnRH vaccine on testicular development, feedlot performance, and carcass quality of beef bulls. Crossbred beef bulls (n = 58, average weight 306 kg, 9 mo of age), were randomly allocated to two groups and received either an anti-GnRH vaccine (GnRH) or placebo (Control) by intramuscular injection on d 0, 56, and 112....
متن کاملGonadotropin-Releasing Hormone (GnRH) Analogs or Active Immunization Against GnRH To Control Fertility in Wildlife
The administration of analogs, both agonists and for nonlethal population control of wildlife species. antagonists, of GnRH and immunization agalnst GnRH have Relatively little research has been done in this area. This been investigated for their ability to control reproductive chapter reviews relevant studies with domestic species and function in domestic species. These methods can be used dis...
متن کاملActive immunization of prepubertal colts against estrogens: hormonal and testicular responses after puberty.
Prepubertal Quarter horse colts were immunized at 6 mo of age with either estrone-17-oxime-bovine serum albumin (n = 4; treated) or with albumin only (n = 5; controls). All colts received booster injections of the appropriate antigen at 8, 10, 12, 16 and 20 mo of age. Blood samples were drawn every 20 d from 6 to 26 mo of age; body weights were determined monthly. Immunization against estrone-a...
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ژورنال
عنوان ژورنال: Reproduction
سال: 2004
ISSN: 1470-1626,1741-7899
DOI: 10.1530/rep.1.00072