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Article: Increased secondary sex ratios in golden hamster litters sired by Males without coagulating glands and seminal vesicles

TitleIncreased secondary sex ratios in golden hamster litters sired by Males without coagulating glands and seminal vesicles
Authors
KeywordsAccessory sex gland
Ampullary gland
Embryos
Issue Date1996
PublisherCSIRO, Publishing. The Journal's web site is located at http://www.publish.csiro.au/journals/rfd
Citation
Reproduction, Fertility and Development, 1996, v. 8 n. 2, p. 297-300 How to Cite?
AbstractIn golden hamsters, although bilateral ablation of paternal coagulating glands (CGX) and seminal vesicles (SVX) did not affect fertility, a higher number of male pups were born. The present study aimed at determining whether this male-biased sex ratio was due to an imbalance of fertilization by X and Y chromosome-bearing sperms or whether it was the consequence of a sex-related differential survival of embryos. The sex of embryos sired by sham-operated (SH) controls or males subjected to bilateral ablation of ampullary glands (AGX), CGX and SVX was determined from chromosomal spreads at 10 h post coitum and 10 days post coitum. The primary sex ratio of of the SH group did not deviate from the hypothetical sex ratio of 1:1. The sex ratios of zygotes from the three experimental groups did not differ from that of the controls. However, by mid gestation, the sex ratio was significantly higher in the SVX group (P < 0.05) and the CGX group (P < 0.005). The absence of secretions from the ampullary gland, coagulating gland and seminal vesicle had no effect on the primary sex ratio, thus these glands did not appear to affect fertilization by the X and Y chromosome-bearing sperm. The increased secondary sex ratios observed in the SVX and CGX groups were due to the preferential survival of males.
Persistent Identifierhttp://hdl.handle.net/10722/67549
ISSN
2023 Impact Factor: 1.8
2023 SCImago Journal Rankings: 0.316
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChow, PHen_HK
dc.contributor.authorCheung, MPLen_HK
dc.contributor.authorO, WSen_HK
dc.date.accessioned2010-09-06T05:56:07Z-
dc.date.available2010-09-06T05:56:07Z-
dc.date.issued1996en_HK
dc.identifier.citationReproduction, Fertility and Development, 1996, v. 8 n. 2, p. 297-300en_HK
dc.identifier.issn1031-3613en_HK
dc.identifier.urihttp://hdl.handle.net/10722/67549-
dc.description.abstractIn golden hamsters, although bilateral ablation of paternal coagulating glands (CGX) and seminal vesicles (SVX) did not affect fertility, a higher number of male pups were born. The present study aimed at determining whether this male-biased sex ratio was due to an imbalance of fertilization by X and Y chromosome-bearing sperms or whether it was the consequence of a sex-related differential survival of embryos. The sex of embryos sired by sham-operated (SH) controls or males subjected to bilateral ablation of ampullary glands (AGX), CGX and SVX was determined from chromosomal spreads at 10 h post coitum and 10 days post coitum. The primary sex ratio of of the SH group did not deviate from the hypothetical sex ratio of 1:1. The sex ratios of zygotes from the three experimental groups did not differ from that of the controls. However, by mid gestation, the sex ratio was significantly higher in the SVX group (P < 0.05) and the CGX group (P < 0.005). The absence of secretions from the ampullary gland, coagulating gland and seminal vesicle had no effect on the primary sex ratio, thus these glands did not appear to affect fertilization by the X and Y chromosome-bearing sperm. The increased secondary sex ratios observed in the SVX and CGX groups were due to the preferential survival of males.-
dc.languageengen_HK
dc.publisherCSIRO, Publishing. The Journal's web site is located at http://www.publish.csiro.au/journals/rfden_HK
dc.relation.ispartofReproduction, Fertility and Developmenten_HK
dc.subjectAccessory sex gland-
dc.subjectAmpullary gland-
dc.subjectEmbryos-
dc.subject.meshCricetinae-
dc.subject.meshGenitalia, Male - physiology - surgery-
dc.subject.meshKaryotyping-
dc.subject.meshSeminal Vesicles - physiology - surgery-
dc.subject.meshSex Ratio-
dc.titleIncreased secondary sex ratios in golden hamster litters sired by Males without coagulating glands and seminal vesiclesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1031-3613&volume=8&spage=297&epage=300&date=1996&atitle=Increased+secondary+sex+ratios+in+golden+hamster+litters+fired+by+Males+without+coagulating+glands+and+seminal+vesiclesen_HK
dc.identifier.emailO, WS: owaisum@hkucc.hku.hken_HK
dc.identifier.authorityO, WS=rp00315en_HK
dc.identifier.doi10.1071/RD9960297-
dc.identifier.pmid8726869-
dc.identifier.scopuseid_2-s2.0-0030006963-
dc.identifier.hkuros13060en_HK
dc.identifier.volume8-
dc.identifier.issue2-
dc.identifier.spage297-
dc.identifier.epage300-
dc.identifier.isiWOS:A1996UM13700012-
dc.publisher.placeAustralia-
dc.identifier.issnl1031-3613-

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