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Theriogenology

Title:		Variation in estrus-related odors in the cow and its dependency on the ovary
Author(s):		Dehnhard M; Claus R; Pfeiffer S; Schopper D;
Address:		"Universitat Hohenheim, Institut fur Tierhaltung und Tierzuchtung, POB 700562 D-7000 Stuttgart 70, Germany"
Journal Title:		Theriogenology
Year:		1991
Volume:		35
Issue:		3
Page Number:		645 - 652
DOI:		10.1016/0093-691x(91)90460-u
ISSN/ISBN:		0093-691X (Print) 0093-691X (Linking)
Abstract:		"Urine samples were collected from 10 cows during the estrous cycle (Day 0=day of observed estrus) and investigated for pheromone activity using a quantitative rat bioassay. Pheromone activity in this assay was given in impulses/45 sec. Progesterone was measured in milk fat to verify the stage of cycle. The maximal response of rats was found on Day -1 (20.0 +/- 3.5 impulses/45 sec; x +/- SEM), and impulse rates were clearly higher (P
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Notes:		"PubMed-not-MEDLINEDehnhard, M Claus, R Pfeiffer, S Schopper, D eng 1991/03/01 Theriogenology. 1991 Mar; 35(3):645-52. doi: 10.1016/0093-691x(91)90460-u"