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Author Kirkpatrick, J.F.; Shldeler, S.E.; Lasley, B.L.; Turner, J.W.J.
Title Pregnancy determination in uncaptured feral horses by means of fecal steroid conjugates Type Journal Article
Year 1991 Publication Theriogenology Abbreviated Journal Theriogenology
Volume 35 Issue 4 Pages 753-760
Keywords
Abstract This study was carried out to develop an accurate, rapid and inexpensive method for diagnosing pregnancy in uncaptured feral horses by analysis of fecal steroid metabolites and to compare the accuracy of this method with diagnosis by urinary estrone conjugates (E(1)C). Paired urine and fecal samples were collected from 40 sexually mature feral mares during August and October. Urine samples were extracted directly from the soil and analyzed by enzymeimmunoassay (EIA) for E(1)C. Water extracts of fecal samples were assayed by EIA for E(1)C and nonspecific progesterone metabolites (iPdG). Urinary E(1)C, fecal E(1)C and fecal iPdG concentrations for seven mares which produced foals were 3.9 +/- 1.3 (SEM) mug/mg creatinine, 4.2 +/- 0.8 ng/g feces and 1.411 +/- 569.6 ng/g feces, respectively. Urinary E(1)C and fecal E(1)C and iPdG concentrations for the 33 mares which did not produce foals were 0.1 +/- 0.0 mug/mg creatinine and 0.5 +/- 0.1 and 32.8 +/- 4.5 ng/g feces, respectively. These differed (P < 0.01) from values in mares which produced foals.
Address Department of Biological Sciences Eastern Montana College Billings, MT 59101 USA
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0093-691X ISBN Medium
Area Expedition Conference
Notes PMID:16726944 Approved no
Call Number (up) refbase @ user @ Serial 146
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Author Kirkpatrick, J.F.; Wiesner, L.; Kenney, R.M.; Ganjam, V.K.; Turner, J.W.
Title Seasonal variation in plasma androgens and testosterone in the North American wild horse Type Journal Article
Year 1977 Publication The Journal of endocrinology Abbreviated Journal J Endocrinol
Volume 72 Issue 2 Pages 237-238
Keywords Androgens/*blood; Animals; Horses/*blood; Male; *Seasons; Testosterone/*blood
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0022-0795 ISBN Medium
Area Expedition Conference
Notes PMID:845536 Approved no
Call Number (up) refbase @ user @ Serial 148
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Author Kirkpatrick, J.F.; Vail, R.; Devous, S.; Schwend, S.; Baker, C.B.; Wiesner, L.
Title Diurnal variation of plasma testosterone in wild stallions Type Journal Article
Year 1976 Publication Biology of reproduction Abbreviated Journal Biol Reprod
Volume 15 Issue 1 Pages 98-101
Keywords Animals; *Circadian Rhythm; Horses/*blood; Male; Montana; Sexual Behavior, Animal; Species Specificity; Testosterone/*blood
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0006-3363 ISBN Medium
Area Expedition Conference
Notes PMID:986195 Approved no
Call Number (up) refbase @ user @ Serial 149
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