alexa 1-Iodoundecane, an Estrus Indicating Urinary Chemo signal in Bovine(Bos Taurus) | OMICS International | Abstract
ISSN: 2157-7579

Journal of Veterinary Science & Technology
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1-Iodoundecane, an Estrus Indicating Urinary Chemo signal in Bovine(Bos Taurus)

G. Archunan1* and Ramesh Kumar K2

1Centre for Pheromone Technology, Department of Animal Science, Bharathidasan University, Tiruchirappalli – 620 024, Tamilnadu, India

2Department of Zoology, Rajah Serfoji Government College, Thanjavur – 613 005, Tamilnadu, India

*Corresponding Author:
G. Archunan
Centre for Pheromone Technology
Department of Animal Science
Bharathidasan University
Tiruchirappalli - 620 024, India
Tel: 0431-2407040
Fax: 0431-2407045
E-mail: [email protected]

Received date: April 27, 2012; Accepted date: September 03, 2012; Published date: September 05, 2012

Citation: Archunan G, Ramesh Kumar K (2012) 1-Iodoundecane, an Estrus Indicating Urinary Chemo signal in Bovine (Bos Taurus). J Vet Sci Technol 3:121. doi:10.4172/2157-7579.1000121

Copyright: © 2012 Archunan G, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


The time of ovulation and co-ordination of sexual behaviour is important for the successful artificial insemination. In our previous studies, urine samples were collected from the bovine at pre-pubertal, pro-estrus, estrus, postestrus,pregnant and lactating animals and a number of compounds were identified by Gas chromatographymass spectrometry (GC-MS); 1-iodoundecane and di-n-propyl phthalatepresent in estrus, the bioactivity of these compounds were not tested to confirm the efficacy of their estrus-specific compounds. So, the present study was planned to confirm the nature of these compounds through testing with bull’s bioactivity. The bioassay was carried out in three different groups exposed to water (Control), estrus urine and estrus-specific synthetic compounds. The behavioural study revealed that the compound 1-iodoundecane identified in the estrus urine exhibits more attraction in bull by enhanced flehmen behaviour when compared to di-n-propyl phthalate. This clearly indicates that the 1-iodoundecane in the estrus female urine is an effective estrus-specific chemical signal which may be used as marker to detect estrus in bovine.


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