Induction and synchronization of parturition in sheep with dexamethasone

Two experiments to control parturition in sheep using an injection of dexamethasone were made: (1) the first involved milking ewes. The treatment was carried out, at 7.00 p.m. on the 147th day of gestation, on 14 Altamurana ewes, 21 Sarda x Altamurana and 20 Sarda ewes; an equal number of subjects c...

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Published inAnnali della Facolta di Agraria, Bari (Italy) Vol. 31
Main Authors Martemucci, G, Toteda, F, Gambacorta, M, Celi, R, Rifino, F
Format Journal Article
LanguageItalian
Published 1979
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Abstract Two experiments to control parturition in sheep using an injection of dexamethasone were made: (1) the first involved milking ewes. The treatment was carried out, at 7.00 p.m. on the 147th day of gestation, on 14 Altamurana ewes, 21 Sarda x Altamurana and 20 Sarda ewes; an equal number of subjects constituted the control groups; (2) the second experiment involed 45 Gentile di Puglia ewes on the 147th day of gestation. Besides the control group another two lots were formed, with a different treatment time: 6.00 a.m. and 6.00 p.m. The results obtained show that the duration of gestation was significantly reduced by the dexamethasone in the first experiment, but not in the second. No significant difference was observed in the 0-30 days period with regard to the body weight, the daily growth and the feed efficiency of the lambs and the milk production of the mothers. Con lo scopo di studiare l'induzione e la sincronizzazione dei parti mediante la somministrazione di desametazone sono stati condotti 2 esperimenti: (1) Il primo ha interessato pecore da latte. Il trattamento fu effettuato alle ore 19,00 del 147o giorno di gestazione su 14 pecore altamurane, 21 Sarda x Altamurana e 20 sarde: un numero equale di soggetti costituiva il gruppo di controllo. (2) Il secondo esperimento ha interessato 45 pecore di razza Gentile di Puglia, al 147o giorno di gestazione. Oltre il gruppo di controllo sono stati previsti altri due lotti, omogenei al primo come numero e diversificati per l'ora di trattamento: ore 6,00 ed ore 18,00. I risultati ottenuti indicano che la durata di gestazione e stata ridotta significativamente dal desametazone nel primo, ma non nel secondo esperimento. Nessuna differenza significativa e stata riscontrata per quanto riguarda il peso, gli incrementi giornalieri, gli indici di conversione degli agnelli e la produzione lattea delle madri nel periodo 0-30 giorni
AbstractList Two experiments to control parturition in sheep using an injection of dexamethasone were made: (1) the first involved milking ewes. The treatment was carried out, at 7.00 p.m. on the 147th day of gestation, on 14 Altamurana ewes, 21 Sarda x Altamurana and 20 Sarda ewes; an equal number of subjects constituted the control groups; (2) the second experiment involed 45 Gentile di Puglia ewes on the 147th day of gestation. Besides the control group another two lots were formed, with a different treatment time: 6.00 a.m. and 6.00 p.m. The results obtained show that the duration of gestation was significantly reduced by the dexamethasone in the first experiment, but not in the second. No significant difference was observed in the 0-30 days period with regard to the body weight, the daily growth and the feed efficiency of the lambs and the milk production of the mothers. Con lo scopo di studiare l'induzione e la sincronizzazione dei parti mediante la somministrazione di desametazone sono stati condotti 2 esperimenti: (1) Il primo ha interessato pecore da latte. Il trattamento fu effettuato alle ore 19,00 del 147o giorno di gestazione su 14 pecore altamurane, 21 Sarda x Altamurana e 20 sarde: un numero equale di soggetti costituiva il gruppo di controllo. (2) Il secondo esperimento ha interessato 45 pecore di razza Gentile di Puglia, al 147o giorno di gestazione. Oltre il gruppo di controllo sono stati previsti altri due lotti, omogenei al primo come numero e diversificati per l'ora di trattamento: ore 6,00 ed ore 18,00. I risultati ottenuti indicano che la durata di gestazione e stata ridotta significativamente dal desametazone nel primo, ma non nel secondo esperimento. Nessuna differenza significativa e stata riscontrata per quanto riguarda il peso, gli incrementi giornalieri, gli indici di conversione degli agnelli e la produzione lattea delle madri nel periodo 0-30 giorni
Author Martemucci, G
Celi, R
Rifino, F
Toteda, F
Gambacorta, M
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