Document Detail


Improving the reproductive efficiency, pregnancy diagnosis and monitoring the resumption of luteal activity in indigenous damascus goats.
MedLine Citation:
PMID:  12535327     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Seventy-five female Damascus goats aged between 1.5 and 5.5 years were used to evaluate the effectiveness of the intravaginal sponges and prostaglandin analogue on oestrous synchronization and fecundity; to diagnose pregnancy and to monitor the resumption of the luteal activity. Females were divided randomly, during the breeding season, into three equal groups, S, P and C. Females in group S were fitted with sponges containing 45 mg of flugestone acetate (FGA) for 14 days and injected with pregnant mare serum gonadotrophin (PMSG) at the sponge withdrawal. Females in group P were given two injections of prostaglandin F2alpha analogue at 11-day intervals, whereas females in group C (control) received no treatment. The results showed that there was a significant difference (p < 0.001) in oestrous exhibition between females in group S as compared with those in groups P and C, with means being 30 +/- 10, 172 +/- 115 and 217 +/- 75 h for groups S, P and C, respectively. Kidding rates resulting from the first and all matings were 80 and 88, 52 and 88, and 68 and 80% for groups S, P and C, respectively. Fecundity rates were 215, 175 and 180% for groups S, P and C, respectively, with a significant difference (p < 0.05) between the S and both P and C groups. Using an ultrasound pregnancy detector performed on days 57 +/- 3 after mating, positive pregnancy diagnosis was 93.3% and 100% for non-pregnancy. Females in the control group showed functional corpus luteum starting in September. It is concluded that FGA sponges plus PMSG treatment could be successfully used to synchronize oestrus and improve fecundity; whereas prostaglandin treatment was not effective to synchronize oestrus. It is also concluded that pregnancy can be diagnosed accurately and successfully using an ultrasound pregnancy detector. In addition, ovarian activity in the Damascus goat in Syria resumes in September.
Authors:
M R Al-Merestani; M Zarkawi; M F Wardeh
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Reproduction in domestic animals = Zuchthygiene     Volume:  38     ISSN:  0936-6768     ISO Abbreviation:  Reprod. Domest. Anim.     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-01-21     Completed Date:  2003-05-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9015668     Medline TA:  Reprod Domest Anim     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  36-40     Citation Subset:  IM    
Affiliation:
Department of Animal Production, Faculty of Agriculture, University of Damascus, Damascus, Syria.
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MeSH Terms
Descriptor/Qualifier:
Administration, Intravaginal
Animals
Corpus Luteum / physiology*
Estrus Synchronization / drug effects*
Female
Fertility / drug effects*
Flurogestone Acetate / pharmacology*
Goats / physiology*
Gonadotropins, Equine / pharmacology
Luteolysis / drug effects
Pregnancy
Pregnancy Tests / veterinary
Progesterone / blood
Progesterone Congeners / pharmacology*
Random Allocation
Chemical
Reg. No./Substance:
0/Gonadotropins, Equine; 0/Progesterone Congeners; 2529-45-5/Flurogestone Acetate; 57-83-0/Progesterone

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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