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Abstract

Chilean purebred horses are widely used in Chile for rodeo and farm work. Despite the importance of the breed, systematic studies characterising their andrological variables are lacking, making stallion evaluation and selection difficult. This study aimed to determine whether age and seasonality...

Author(s)
Castro, R. A.; Morales, P. C.; Miranda, P. A.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Austral Journal of Veterinary Sciences, 2020, 52, 2, pp 45-48
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

Salivary cortisol provides information about free plasma cortisol concentration, and salivary sampling is a noninvasive well-tolerated procedure. The aim of this study was to validate a commercial enzyme immunoassay for the determination of salivary cortisol in donkeys. Saliva samples were...

Author(s)
Bonelli, F.; Rota, A.; Aurich, C.; Ille, N.; Camillo, F.; Panzani, D.; Sgorbini, M.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2019, 77, pp 68-71
Abstract

Objectives: To study the effect of age and body fat on leptin levels and semen parameters of Arab horse. Methods: Fifteen fertile Arab stallions of different ages belonging to Police Academy were divided into three equal groups according to their age. Old horses are those of >18 yeas (18-27),...

Author(s)
El-Maaty, A. M. A.; El-Sisy, G. A.; Shaker, M. H.; Ezzo, O. H.
Publisher
Hainan Medical University, Hainan, China
Citation
Asian Pacific Journal of Reproduction, 2014, 3, 3, pp 184-191
Abstract

Objective: To relate seminal plasma reproductive and metabolic hormone profile to both semen freezability and post-thaw semen characteristics. Methods: Semen was collected from each Arabian stallion (N=16) for five consecutive weeks and evaluated before conducting this study. Seminal plasma was...

Author(s)
El-Badry, D. A.; El-Sisy, G. A.; El-Maaty, A. M. A.
Publisher
Hainan Medical University, Hainan, China
Citation
Asian Pacific Journal of Reproduction, 2016, 5, 6, pp 453-458
Abstract

The diagnosis of cryptorchidism in horses is often a challenge. Based on the history, clinical and rectal examinations and ultrasonography, a definitive diagnosis is not always possible. Various endocrinological diagnostic assays, such as the determination of testosterone, androstenedione,...

Author(s)
Lange, L. de; Roels, K.; Ververs, C.; Velde, M. van de; Corty, P.; Govaere, J.
Publisher
Faculty of Veterinary Medicine, University of Ghent, Merelbeke, Belgium
Citation
Vlaams Diergeneeskundig Tijdschrift, 2017, 86, 3, pp 148-153
Abstract

Testosterone (T) concentration is a useful indicator of reproductive function in male animals. However, T concentration is not usually measured in veterinary clinics, partly due to the unavailability of reliable and rapid assays for animal samples. In this study, a rapid chemiluminescent enzyme...

Author(s)
Toishi, Y.; Tsunoda, N.; Nagata, S.; Kirisawa, R.; Nagaoka, K.; Watanabe, G.; Yanagawa, Y.; Katagiri, S.; Taya, K.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2018, 64, 1, pp 41-47
Abstract

A total of 90 mares and horses were subjected to blood sampling for determining the effect of management (farm), reproductive condition, sex, age, breed and month of the year during breeding on circulating levels of cortisol and sex hormones. Blood samples were collected from December to the...

Author(s)
AboEl-Maaty, A. M.
Publisher
PAGEPress Publications, Pavia, Italy
Citation
Veterinary Science Development, 2011, 1, 1, pp e13
Abstract

Reasons for performing study: Endocrinological assays are important for evaluation of mares with granulosa-cell tumours (GCTs), and our research in mares indicates that anti-Müllerian hormone (AMH) may be a good biomarker for this type of ovarian tumour. Objectives: To evaluate the use of serum AMH ...

Author(s)
Ball, B. A.; Almeida, J.; Conley, A. J.
Publisher
Wiley-Blackwell, Oxford, UK
Citation
Equine Veterinary Journal, 2013, 45, 2, pp 199-203
Abstract

On Misaki peninsula, Japan, fecal samples were collected from 14 Misaki stallions at monthly intervals for 12 consecutive months. The fecal testosterone concentration was measured by radioimmunoassay. We examined monthly fecal testosterone hormone patterns and the relationship between fecal ...

Author(s)
Khalil, A. M.; Nakahara, K.; Tokuriki, M.; Kaseda, Y.; Murakami, N.
Publisher
Japanese Society of Veterinary Science, Tokyo, Japan
Citation
Journal of Veterinary Medical Science, 2009, 71, 8, pp 1075-1078

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