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Titolo:
THE SEXUAL MOTIVATION OF BOARS HOUSED ADJACENT TO OVARIECTOMIZED GILTS DID NOT AFFECT THE EFFICIENCY OF DETECTING HORMONALLY INDUCED ESTRUSUSING THE BACK PRESSURE TEST
Autore:
TURNER AI; HEMSWORTH PH; TILBROOK AJ;
Indirizzi:
MONASH UNIV,DEPT PHYSIOL CLAYTON VIC 3168 AUSTRALIA MONASH UNIV,DEPT PHYSIOL CLAYTON VIC 3168 AUSTRALIA VICTORIAN INST ANIM SCI WERRIBEE VIC 3030 AUSTRALIA
Titolo Testata:
Applied animal behaviour science
fascicolo: 4, volume: 49, anno: 1996,
pagine: 343 - 351
SICI:
0168-1591(1996)49:4<343:TSMOBH>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
ESTRUS DETECTION PROCEDURES; ESTROUS GILTS; FEMALE PIG; STIMULI; PROCEPTIVITY;
Keywords:
PIG; ESTRUS BEHAVIOR; ESTRUS DETECTION; HOUSING; REPRODUCTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
14
Recensione:
Indirizzi per estratti:
Citazione:
A.I. Turner et al., "THE SEXUAL MOTIVATION OF BOARS HOUSED ADJACENT TO OVARIECTOMIZED GILTS DID NOT AFFECT THE EFFICIENCY OF DETECTING HORMONALLY INDUCED ESTRUSUSING THE BACK PRESSURE TEST", Applied animal behaviour science, 49(4), 1996, pp. 343-351

Abstract

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 firstmount during three mating tests. Twelve boars were observed in matingtests and the three highest and lowest ranking boars were assigned tothree pairs, 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 oestrus, adjacent to a boarof either high or low sexual motivation. All gilts were checked twicedaily for oestrus using the BPT. In the first replicate, the level ofpreceptive behaviour of the gilts was quantified immediately after checking for oestrus in a 3-min 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 boarsof high or low sexual motivation on the percentage of gilts detected in oestrus, the percentage of gilts detected in oestrus for more than 1 day, the duration of oestrus or the level of preceptive behaviour ofgilts. 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.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/09/20 alle ore 09:18:42