| Records |
| Author |
Mitchell, D.; Allen, W. R. |
| Title |
Observations on reproductive performance in the yearling mare |
Type |
Journal Article |
| Year |
1975 |
Publication |
Journal of Reproduction and Fertility |
Abbreviated Journal |
J. Reprod. Fert., |
| Volume |
(Suppl. 23) |
Issue |
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Pages |
531-536 |
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| Abstract |
Reproductive performance was studied in 137 yearling mares run with stallions in small groups for 3 months between June and August in 1968 to 1971 (four breeding seasons). Pregnancy diagnosis by repeated rectal palpation and qualitative tests for PMSG, showed that ninety-five mares conceived of which forty-four aborted spontaneously between days 30 and 160 of gestation. Laboratory examination of twenty-one aborted fetuses failed to show any infectious agents. Serial quantitative and qualitative tests for PMSG in aborting animals gave results similar to those observed in mares with normal pregnancies. Plasma progestagen assays showed marked individual variations although the loss of the conceptus was always associated with a drop in progestagen level. The high incidence of early pregnancy loss in these pubertal mares may also be related to immaturity, inadequate nutrition and physical stress. |
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Equine Behaviour @ team @ |
Serial |
2378 |
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| Author |
Sivak, J.G.; Allen, D.B. |
| Title |
An evaluation of the “ramp” retina of the horse eye |
Type |
Journal Article |
| Year |
1975 |
Publication |
Vision Research |
Abbreviated Journal |
Vision Res |
| Volume |
15 |
Issue |
12 |
Pages |
1353-1356 |
| Keywords |
Accommodation, Ocular; Animals; Aqueous Humor/physiology; Cornea/physiology; Freezing; Horses/*anatomy & histology; Lens, Crystalline/anatomy & histology/physiology; Refraction, Ocular; Retina/*anatomy & histology; Vitreous Body/physiology |
| Abstract |
Using a rapid freezing and sectioning technique, the distance between the lens and retina of the horse eye was measured. There is no indication of a ramp retina that could serve accommodation. The pupil axis of the eye coincides with the maximum lens to retina distance. The changes in the lens-retina distance are greater below the axis than above it. Calculations were made of refractive power of the horse eye from measurements of curvature and refractive indices of the ocular tissues. These calculations agree both qualitatively and quantitatively with retinoscopic measurements on live horses. Both show that the refractive state shifts in the direction of hyperopia above and below the axis and that this shift is greater below the axis than above it. Some dynamic accommodative ability in the living eye was observed. |
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English |
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| ISSN |
0042-6989 |
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| Notes |
PMID:1210017 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3647 |
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| Author |
Zimen, E. |
| Title |
Social dynamics of the wolf pack |
Type |
Book Chapter |
| Year |
1975 |
Publication |
The wild canids |
Abbreviated Journal |
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Issue |
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Pages |
336-362 |
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Van Nostrand Reinhold |
Place of Publication |
New York |
Editor |
Fox, M.W. |
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no |
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Equine Behaviour @ team @ |
Serial |
5231 |
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| Author |
Schmoldt, A.; Benthe, H.F.; Haberland, G. |
| Title |
Digitoxin metabolism by rat liver microsomes |
Type |
Journal Article |
| Year |
1975 |
Publication |
Biochemical pharmacology |
Abbreviated Journal |
Biochem Pharmacol |
| Volume |
24 |
Issue |
17 |
Pages |
1639-1641 |
| Keywords |
Animals; Chromatography, Thin Layer; Digitoxigenin/metabolism; Digitoxin/*metabolism; Hydroxylation; Male; Microsomes, Liver/*metabolism; NADP/metabolism; Rats; Time Factors |
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English |
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0006-2952 |
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| Notes |
PMID:10 |
Approved |
no |
| Call Number |
Admin @ knut @ |
Serial |
20 |
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| Author |
Jallon, J.M.; Risler, Y.; Iwatsubo, M. |
| Title |
Beef liver L-Glutamate dehydrogenase mechanism: presteady state study of the catalytic reduction of 2.oxoglutarate by NADPH |
Type |
Journal Article |
| Year |
1975 |
Publication |
Biochemical and biophysical research communications |
Abbreviated Journal |
Biochem Biophys Res Commun |
| Volume |
67 |
Issue |
4 |
Pages |
1527-1536 |
| Keywords |
Animals; Cattle; Glutamate Dehydrogenase/*metabolism; Ketoglutaric Acids; Kinetics; Liver/*enzymology; Nadp; Oxidation-Reduction; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet |
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English |
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0006-291X |
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PMID:1038 |
Approved |
no |
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Admin @ knut @ |
Serial |
21 |
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| Author |
Hillidge, C.J.; Lees, P. |
| Title |
Cardiac output in the conscious and anaesthetised horse |
Type |
Journal Article |
| Year |
1975 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
7 |
Issue |
1 |
Pages |
16-21 |
| Keywords |
Anesthesia, Inhalation/*veterinary; Animals; Carbon Dioxide/blood; *Cardiac Output/veterinary; *Consciousness; Electrocardiography/veterinary; Ether, Ethyl; Female; Halothane; Heart Rate; Heart Ventricles/physiology; Horses/*physiology; Hydrogen-Ion Concentration; Male; Oxygen/blood; Posture |
| Abstract |
Cardiac output in the horse was measured before and at predetermined times during 2-hour periods of thiopentone-halothane and thiopentone-diethyl ether anaesthesia. Left ventricular stroke volume was decreased to a similar extent during anaesthesia with each volatile agent, but a greater reduction in cardiac output occurred during halothane anaesthesia. This finding reflected the differing effects of halothane and ether on heart rate, a slight bradycardia occurring with the former agent while ether produced a small degree of tachycardia. The latter effect was attributed to enhanced sympathoadrenal activity. Changes in cardiac output and stroke volume were considered in relation to other factors, including arterial blood pH and tensions of oxygen and carbon dioxide. Positive correlations between some of these variables and cardiac function were established. With both volatile agents the reductions in stroke volume and cardiac output were related to the duration of anaesthesia, being greatest during the early stages. Possible reasons for the tendency of stroke volume and cardiac output to return towards control levels are discussed. |
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0425-1644 |
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| Notes |
PMID:234842 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
102 |
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| Author |
Eisenmann V, |
| Title |
Nouvelles interpretations des restes d`équides de Nihowan Equus teilhardi Nov.Sp |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
Geobios |
| Volume |
8 |
Issue |
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Pages |
125-134 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1047 |
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| Author |
FRASER AF et al, |
| Title |
An exploratory ultrasonic study on quntitative foetal kinesis in the horse |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
Appl Anim Ethol |
| Volume |
1 |
Issue |
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Pages |
395-404 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1093 |
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| Author |
Klingel H, |
| Title |
Die soziale Organisation der Equiden |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
Verh Dtsch Zool Ges in Karlsruhe |
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Issue |
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Pages |
71-80 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1308 |
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| Author |
Leuthold W, L.B. |
| Title |
Temporal patterns of reproduction in ungulates of Tsavo East National Park Kenya |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
E Afr Wildl J |
| Volume |
13 |
Issue |
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Pages |
159-170 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1345 |
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