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Equine Vet J

Title:		Observational study of 'urine testing' in the horse and donkey stallion
Author(s):		Lindsay FE; Burton FL;
Address:
Journal Title:		Equine Vet J
Year:		1983
Volume:		15
Issue:		4
Page Number:		330 - 336
DOI:		10.1111/j.2042-3306.1983.tb01816.x
ISSN/ISBN:		0425-1644 (Print) 0425-1644 (Linking)
Abstract:		"Although 'urine testing' is said to enable the male equid to assess the sexual status of the mare, there are no reports in the literature of any detailed study of this behavioural response of the stallion. Behavioural response to conspecific urine was studied in two horse stallions and one donkey stallion. The relevant nasopalatine anatomy is described. Events observed during urine testing included head, neck, lip, jaw, tongue movements, penile changes and nasal secretion. Nasal endoscopy indicated that the source of part of the nasal secretion was the secretory glands of the vomeronasal organ complex. The significance and probable function of these events in urine testing is discussed"
Keywords:		"Animals *Behavior, Animal Horses/anatomy & histology/*physiology Male Nasal Septum Nose/anatomy & histology Olfactory Mucosa/physiology Perissodactyla/*physiology Sex Attractants/urine Smell/physiology;"
Notes:		"MedlineLindsay, F E Burton, F L eng Research Support, Non-U.S. Gov't 1983/10/01 Equine Vet J. 1983 Oct; 15(4):330-6. doi: 10.1111/j.2042-3306.1983.tb01816.x"