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The sexual motivation of boars housed adjacent to ovariectomised gilts did not affect the efficiency of detecting hormonally induced oestrus using the back pressure test

Turner, A.I., Hemsworth, P.H. and Tilbrook, A.J. 1996, The sexual motivation of boars housed adjacent to ovariectomised gilts did not affect the efficiency of detecting hormonally induced oestrus using the back pressure test, Applied animal behaviour science, vol. 49, no. 4, pp. 343-351, doi: 10.1016/0168-1591(96)01063-5.

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Title The sexual motivation of boars housed adjacent to ovariectomised gilts did not affect the efficiency of detecting hormonally induced oestrus using the back pressure test
Author(s) Turner, A.I.ORCID iD for Turner, A.I. orcid.org/0000-0002-0682-2860
Hemsworth, P.H.
Tilbrook, A.J.
Journal name Applied animal behaviour science
Volume number 49
Issue number 4
Start page 343
End page 351
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 1996-09-15
ISSN 0168-1591
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Agriculture, Dairy & Animal Science
Behavioral Sciences
Veterinary Sciences
Agriculture
pig
oestrus behaviour
oestrus detection
housing
reproduction
ESTRUS DETECTION PROCEDURES
ESTROUS GILTS
FEMALE PIG
STIMULI
PROCEPTIVITY
Summary This study tested the hypothesis that the efficiency of detecting oestrus in gilts, using the back pressure test (BPT), will be reduced when gilts are housed adjacent to a boar of high sexual motivation compared to when gilts are housed adjacent to a boar of low sexual motivation. The experiment was a 2 x 2 Latin square design with three replicates. Boars of high and low sexual motivation were selected on the basis of the total number of copulations and the mean reaction time to first mount during three mating tests. Twelve boars were observed in mating tests and the three highest and lowest ranking boars were assigned to three palm, each pair containing a boar of high and a boar of low sexual motivation. One pair was used in each replicate. In each replicate, two groups of six ovariectomised gilts were housed for 14 days, commencing 7 days prior to hormonally induced destrus, adjacent to a boar of either high or low sexual motivation. All gilts were checked twice daily for oestrus using the BPT. In the first replicate, the level of proceptive behaviour of the gilts was quantified immediately after checking for oestrus in a 3-rain test in which the amount of time that the gilts spent within 0.5 m of a pen containing a sexually mature boar was recorded. There were no effects of housing gilts adjacent to boars of high or low sexual motivation on the percentage of gilts detected in oestrus, the percentage of gilts detected in oestrus for more than I day, the duration of oestrus or the level of proceptive behaviour of gilts. These data suggest that the level of sexual motivation of boars does not influence the efficiency of detecting hormonally induced oestrus, using the BPT, in ovariectomised gilts housed adjacent to boars.
Language eng
DOI 10.1016/0168-1591(96)01063-5
Field of Research 070206 Animal Reproduction
0608 Zoology
0702 Animal Production
0707 Veterinary Sciences
Socio Economic Objective 830308 Pigs
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©1996, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080812

Document type: Journal Article
Collection: Centre for Physical Activity and Nutrition Research
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