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Abstract

Objective: To assess testicular endocrine function in the male donkey (Equus asinus) during the course of the year. Material and methods: In 5 miniature and 4 standard donkey stallions, peripheral blood concentrations of testosterone (T), estrone (E1) and estrone sulfate (E1S) were determined using ...

Author(s)
Schuler, G.; Bernhardt-Welte, A. W.; Failing, K.; Hoffmann, B.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2019, 47, 5, pp 294-297
Abstract

The objectives of this study were to establish reference values for serum concentrations of placental growth factor (PlGF) and haptoglobin (Hp), and to analyze whether the levels of oestrone sulphate (E1S) and progesterone (P4) are physiologically involved in the dynamic modifications of the above...

Author(s)
Satué, K.; Marcilla, M.; Medica, P.; Ferlazzo, A.; Fazio, E.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 115, pp 77-83
Abstract

Reasons for performing study: To investigate effects of a 5-day oral misoprostol regimen recommended for use in horses as a gastrointestinal mucosal cytoprotectant during colic on mid-gestation pregnancies. Objectives: To monitor cervical tone, ultrasonographic characteristics of the uterus, cervix ...

Author(s)
Jacobson, C. C.; Sertich, P. L.; McDonnell, S. M.
Publisher
Wiley-Blackwell, Oxford, UK
Citation
Equine Veterinary Journal, 2013, 45, 1, pp 91-93
Abstract

The biological function of inhibin is mediated by two heterodimers, inhibin-A and inhibin-B. The relative importance of inhibin-A and -B in male reproductive function varies considerably across species with inhibin-B predominating in many species, whereas inhibin-A appears relatively more important ...

Author(s)
Ball, B. A.; Davolli, G. M.; Esteller-Vico, A.; Fleming, B. O.; Wynn, M. A. A.; Conley, A. J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 123, pp 108-115
Abstract

An amplified enzymeimmunoassay (EIA) was validated for androstenedione in the serum of male horses. We will use the assay as a tool for the diagnosis of equine cryptorchidism. We will compare androstenedione EIA to the currently used methods (testosterone and estrone sulfate determinations). The...

Author(s)
Illera, J. C.; Silván, G.; Munro, C. J.; Lorenzo, P. L.; Illera, M. J.; Liu, I. K. M.; Illera, M.
Publisher
Elsevier Science Ltd, Oxford, UK
Citation
Journal of Steroid Biochemistry and Molecular Biology, 2003, 84, 2/3, pp 377-382
Abstract

Leydig cell acute steroidogenic response in 7 young Mangalarga stallions (2.6-4.5-years-old) was evaluated through human chorionic gonadotropin (HCG) stimulation. The animals were treated with 5000 UI (HCG) Vetecor, i.v., in bolus at 0800 h. Plasma samples were collected by venipuncture at 0700 h...

Author(s)
Lima, S. B.; Wischral, A.; Ferreira, F.; Verreschi, I. T. do N.
Publisher
Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Research and Animal Science, 2000, 37, 1/6, pp 52-55
Abstract

The aim of these in vivo and in vitro studies was to examine the role of leptin in the control of plasma hormone concentrations, reproduction, and secretory activity of ovarian granulosa cells. In in vivo experiments, 15 female European domestic rabbit (Oryctolagus cuniculus) were treated with...

Author(s)
Sirotkin, A. V.; Rafay, J.; Kotwica, J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2009, 72, 6, pp 765-772
Abstract

Cryptorchidism, or failure of testicular descent, can be a challenging clinical diagnosis, particularly in horses with an unknown castration history. Etiology of cryptorchidism is multifactorial and includes a genetic component. Diagnosis is centered on a detailed physical examination. Transrectal...

Author(s)
Lu, K. G.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Clinical Techniques in Equine Practice, 2005, 4, 3, pp 250-256
Abstract

Factors influencing the performance of a dipstick competitive particle capture immunoassay (PCI) for the steroid oestrone sulphate (OS) were investigated. Appropriate 'blocking' of the nitrocellulose dipstick membrane was necessary for the upward flow of microsphere particles. Traditional protein...

Author(s)
Henderson, K.; Stewart, J.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Journal of Immunological Methods, 2002, 270, 1, pp 77-84
Abstract

Plasma cortisol, oestrone sulphate and progestagens were measured in 22 stressed pregnant mares (gestation length 17-336 days) as indicators of fetal viability. Mares were bled every 12 h from time of admission, and plasma was stored at -70°C until assayed. Four normal mares were bled twice weekly...

Author(s)
Santschi, E. M.; LeBlanc, M. M.; Weston, P. G.
Publisher
Journals of Reproduction and Fertility Ltd., Cambridge CB5 8DT, UK
Citation
Equine Reproduction V: Proceedings of the Fifth International Symposium on Equine Reproduction., 1991, pp 627-634

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