Document Detail


An ultrasonographic study of bovine cystic ovarian disease and its treatment.
MedLine Citation:
PMID:  7625056     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study assessed the value of ultrasonography in characterising bovine cystic ovaries and monitoring their responses to different treatments. Thirteen cows were diagnosed by ultrasonography as having luteinised ovarian cysts and seven were diagnosed as having follicular ovarian cysts. Six of the former were treated with prostaglandin, four with a progesterone intravaginal device (PRID) and three with gonadotrophin-releasing hormone (Gn-RH); five of the latter were treated with Gn-RH and two with a PRID. All the animals were re-examined by ultrasound and blood was collected for the measurement of plasma progesterone concentration at intervals until oestrus. The treatment of the luteinised cysts with prostaglandin caused marked decreases in size and plasma progesterone concentration and altered their echotexture within two to four days; oestrus occurred within three to four days. In two of the cows treated with a PRID the cysts regressed within one to two weeks but the other two cows required supplementary treatment with prostaglandin; oestrus and ovulation were observed only after the cysts collapsed. Gn-RH stimulated oestrus and ovulation within three to four days but the cysts did not collapse until much later. The treatment of the follicular cysts with Gn-RH or a PRID caused fresh ovulation and the formation of a corpus luteum but had little immediate effect upon the cyst. The plasma progesterone concentrations in some of the cows with either follicular or luteal cysts were similar on the day of treatment and were therefore of little value in differentiating the types of cyst.(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
I A Jeffcoate; T R Ayliffe
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Veterinary record     Volume:  136     ISSN:  0042-4900     ISO Abbreviation:  Vet. Rec.     Publication Date:  1995 Apr 
Date Detail:
Created Date:  1995-08-31     Completed Date:  1995-08-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0031164     Medline TA:  Vet Rec     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  406-10     Citation Subset:  IM    
Affiliation:
University of Glasgow Veterinary School.
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MeSH Terms
Descriptor/Qualifier:
Administration, Intravaginal
Animals
Cattle
Cattle Diseases / blood,  drug therapy*,  ultrasonography*
Cloprostenol / administration & dosage,  therapeutic use
Corpus Luteum / drug effects
Dinoprost / administration & dosage,  therapeutic use
Estrus / blood
Female
Gonadotropin-Releasing Hormone / administration & dosage,  therapeutic use*
Injections, Intramuscular / veterinary
Ovarian Cysts / blood,  drug therapy,  ultrasonography,  veterinary*
Ovulation / drug effects
Pregnancy
Progesterone / administration & dosage,  blood,  therapeutic use*
Prostaglandins F / administration & dosage,  therapeutic use*
Radioimmunoassay / veterinary
Chemical
Reg. No./Substance:
0/Prostaglandins F; 33515-09-2/Gonadotropin-Releasing Hormone; 40665-92-7/Cloprostenol; 551-11-1/Dinoprost; 57-83-0/Progesterone

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


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