Estrus synchronisation and fertility in gilts using a synthetic progestagen (Allyl Trenbolone) and inseminated with fresh stored or frozen semen.

Estrus synchronisation and fertility in gilts using a synthetic progestagen (Allyl Trenbolone) and inseminated with fresh stored or frozen semen. Research Abstract Details 

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Estrus synchronisation and fertility in gilts using a synthetic progestagen (Allyl Trenbolone) and inseminated with fresh stored or frozen semen. Abstract Text:

P J O' Reilly,R Mc Cormack,K O' Mahony,C Murphy,

An orally active synthetic progestagen was administered at two dosage levels to synchronise estrus in gilts. Fertility following insemination with either fresh stored or frozen semen was determined by examining surgically recovered ova for cleavage, and numbers of spermatozoa attached to the zona pellucida, or enumeration of embryos in gilts slaughtered 30 days post insemination. There was no significant difference (P>0.05) between treated and control groups in the duration of estrus or in fertility as determined by cleavage of ova. A significantly (P<0.001) shorter interval to estrus and better synchronisation was obtained with both treatment groups than with the control group. The mean interval from the end of treatment to the onset of estrus for the untreated controls and the treated groups receiving 12.5 and 15 mg compound per day was 11.25 +/- 10.4 SD; 5.6 +/- 0.52 SD and 7.3 +/- 5.3 SD. Fresh semen yielded significantly (P<0.01) more cleaved ova than frozen semen.

Estrus synchronisation and fertility in gilts using a synthetic progestagen (Allyl Trenbolone) and inseminated with fresh stored or frozen semen. Publishing Authors By Initials

PJ O' Reilly,R Mc Cormack,K O' Mahony,C Murphy,

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Estrus synchronisation and fertility in gilts using a synthetic progestagen (Allyl Trenbolone) and inseminated with fresh stored or frozen semen. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 12

Page Numbers: 131-7

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: Sep

YEAR: 1979

Estrus synchronisation and fertility in gilts using a synthetic progestagen (Allyl Trenbolone) and inseminated with fresh stored or frozen semen. Information

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LANGUAGE: eng

NlmUniqueID: 421510

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AFFILIATION: Veterinary Research Laboratory, Abbotstown, Castleknock, Co. Dublin, Ireland.

Country: United States

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MEDLINETA: Theriogenology

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