Effect of blocking vision and olfaction on sexual responses of haltered or loose stallions

Ten stallions were used in a modified split-plot design involving four treatments and two handling methods. Treatments were: a) vision and olfaction not blocked; b) vision blocked, olfaction not blocked; c) vision not blocked, olfaction blocked; and d) vision and olfaction blocked. The methods of ha...

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Bibliographic Details
Published in:Journal of equine veterinary science 1996-06, Vol.16 (6), p.254-261
Main Authors: Anderson, T.M., Pickett, B.W., Heird, J.C., Squires, E.L.
Format: Article
Language:English
Subjects:
CABALLOS SEMENTALES
CICLO ESTRAL
COMPORTAMIENTO SEXUAL
COMPORTEMENT SEXUEL
CYCLE OESTRAL
estrous detection
ETALON
HANDLING
JUMENT
MANIPULACION
MANUTENTION
MARES
ODEUR
OESTROUS CYCLE
olfaction
OLOR
sexual behavior
SEXUAL BEHAVIOUR
SMELL
stallion
STALLIONS
VISION
YEGUA
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Summary:Ten stallions were used in a modified split-plot design involving four treatments and two handling methods. Treatments were: a) vision and olfaction not blocked; b) vision blocked, olfaction not blocked; c) vision not blocked, olfaction blocked; and d) vision and olfaction blocked. The methods of handling were: a) stallions turned loose in teasing area, and b) stallions handled on a lead shank. Stallions teased four estrous mares, four diestrous mares and four geldings. Criteria for evaluation of stallion behavior was duration of investigation (sec), of area as well as various portions of the stimulus animal's anatomy, and other pre-copulatory sexual behaviors (Table 1) in duration and frequency. Except for area investigation and no investigation, there were more frequent or longer responses when vision was not blocked compared to blocked (P
ISSN:0737-0806
1542-7412
DOI:10.1016/S0737-0806(96)80194-8