| Records |
| Author |
Ryder, O.A. |
| Title |
Przewalski's horse – putting the wild horse back in the wild |
Type |
Journal Article |
| Year |
1988 |
Publication |
Oryx |
Abbreviated Journal  |
Oryx |
| Volume |
22 |
Issue |
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Pages |
154-157 |
| Keywords |
Equidae genetics. |
| Abstract |
The Asian wild horse, or Przewalski's horse (Equus przewalskii), is believed to currently survive only in captivity. There are more than 660 individuals in over 70 zoological collections, and animals are available for reintroduction. The Przewalski's horse had been bred in captivity for 12 generations, and inbreeding has occurred. Genetic variability has been lost, and released animals will require acclimatization on or near release sites. In China, a program is under way for acclimatization, breeding, and release of wild horses, and plans are being made for a similar program in Mongolia. (LCA) |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1537 |
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| Author |
Kozarovitskii, L.B. |
| Title |
[Further comment on the distinction between humans and animals] |
Type |
Journal Article |
| Year |
1988 |
Publication |
Nauchnye Doklady Vysshei Shkoly. Biologicheskie Nauki |
Abbreviated Journal |
Nauchnye Doki Vyss Shkoly Biol Nauki |
| Volume |
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Issue |
3 |
Pages |
42-45 |
| Keywords |
Animals; Consciousness; Evolution; Humans; Mental Processes; *Philosophy; Thinking |
| Abstract |
The problem of mind is considered in the aspect of natural scientific and philosophical problem of distinction between human and animal. The widespread confusion of the terms “rudiments”, “elements” of specifically human properties in animals and “biological prerequisites” of these properties are critically analysed. The idea is formulated according to which only in the process of anthropogenesis the rudiments of new social property--mind, conscience--could appear in the developing human beings. |
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Russian |
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Original Title |
Eshche raz o grani mezhdu chelovecheskim i zhivotnym |
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| ISSN |
0470-4606 |
ISBN |
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| Notes |
PMID:3382706 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2800 |
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| Author |
Penzhorn Bl, |
| Title |
Equus zebra |
Type |
Journal Article |
| Year |
1988 |
Publication |
Mammalian Species |
Abbreviated Journal |
Mammalian Species |
| Volume |
314 |
Issue |
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Pages |
1-7 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1460 |
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| Author |
Kirkpatrick, J. F.; Kasman, L. H.; Lasley,; B. L.; Turner, J. W. Jr. |
| Title |
Pregnancy Determination in Uncaptured Feral Horses |
Type |
Journal Article |
| Year |
1988 |
Publication |
Journal of Wildlife Management |
Abbreviated Journal |
J Wildl Manag |
| Volume |
52 |
Issue |
2 |
Pages |
305-308 |
| Keywords |
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| Abstract |
The urinary excretion of estrone sulfate ($\text{E}{1}\text{S}$) by 25 free-roaming feral horses (Equus caballus) was measured by radioimmunoassay applied to extracts of urine-soaked soil. Twelve of 15 mares having $\text{E}{1}\text{S}$ concentrations >1.0 mg/mg creatinine (x = 2.64 +- 1.02 [SD]) produced foals. All 10 mares with $\text{E}{1}\text{S}$ concentrations <1.0 mg/mg creatinine (x = 0.44 +- 0.26) did not foal. Extracting urine from soil and measuring $\text{E}{1}\text{S}$ and creatinine can be used to determine pregnancy in free-roaming feral horses without the stress of capture or immobilization. |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2290 |
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| Author |
Penzhorn, B. L.; van der Merwe, N. J. |
| Title |
Testis size and onset of spermatogenesis in Cape mountain zebras (Equus zebra zebra) |
Type |
Journal Article |
| Year |
1988 |
Publication |
Journal of Reproduction and Fertility |
Abbreviated Journal |
J Reprod Fert |
| Volume |
83 |
Issue |
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Pages |
371-375 |
| Keywords |
mountain zebra; testis size; spermatogenesis |
| Abstract |
Testis mass of adult Cape mountain zebra stallions (mean 70·0 g) was appreciably less than that of other zebra species and domestic horses. The histological appearance of the testes of 11-, 24- and 29-month-old colts was typically prepubertal. Spermatogenic activity of a 4-year-old stallion obtained at the end of summer was at a very low level, while a 4·5-year-old stallion obtained 6 weeks after the winter solstice showed a marked increase in spermatogenesis compared with the 4-year-old. Stallions 6·5-19 years of age collected in different seasons all showed active spermatogenesis. |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1463 |
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| Author |
Westlin-van Aarde, L.M.; van Aarde, R. J.; Skinner, J. D. |
| Title |
Reproduction in female Hartmann's zebra |
Type |
Journal Article |
| Year |
1988 |
Publication |
Journal of Reproduction and Fertility |
Abbreviated Journal |
J Reprod Fert |
| Volume |
84 |
Issue |
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Pages |
505-511 |
| Keywords |
zebra; reproduction; ovaries; seasonality; progesterone |
| Abstract |
Ovaries, fetuses and plasma were collected from zebra mares shot in the Etosha National Park in Namibia between 15 and 25 August 1983. Ovarian weight was affected by reproductive status and most of the non-pregnant mares were anoestrous. The number of follicles varied between individuals and only pro-oestrous/oestrous mares had follicles larger than 20 mm in diameter. The largest follicle in pregnant mares was only 9 mm in diameter. Corpora lutea and corpora albicantia were found in non-pregnant as well as pregnant mares: 4 pregnant mares had only corpora albicantia. The presence of secondary corpora lutea could not be confirmed in any of the pregnant mares. Implantation was estimated to occur at around 73 days of gestation, and most mares (84%) had conceived between November and April. Peripheral concentrations of plasma progesterone during pregnancy varied from 0·5 to 2·4 ng/ml. |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1705 |
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| Author |
Steinhoff, H.J. |
| Title |
A continuous wave laser T-jump apparatus and its application to chemical reactions in hemoglobin single crystals |
Type |
Journal Article |
| Year |
1988 |
Publication |
Journal of Biochemical and Biophysical Methods |
Abbreviated Journal |
J Biochem Biophys Methods |
| Volume |
15 |
Issue |
6 |
Pages |
319-330 |
| Keywords |
Animals; Chemistry; Crystallization; *Heat; *Hemoglobins; Horses/blood; *Lasers; Methemoglobin; Solutions; Thermodynamics; Thiocyanates |
| Abstract |
A laser temperature jump apparatus is constructed where the T-jump is achieved by means of the direct absorption of continuous laser radiation of low intensity by a solid sample. The final temperature in the irradiated volume element is reached when the absorbed radiation power equals the dissipation of heat by heat conduction. The time range from the beginning of irradiation to the stationary state depends on the geometry of the irradiated volume element and is less than 10 ms. The heating laser beam is simultaneously used to detect the relaxation to the new chemical equilibrium in the sample. Relaxation processes with relaxation rates between 10(2) s-1 and less than 10(-3) s-1 on samples with volumes less than 10(-3) mm3 may be investigated using this T-jump method. One application of this method is the determination of reaction rates of ligand reactions in hemoglobin single crystals. Rate constants obtained for the reaction of thiocyanate with crystallized horse methemoglobin are presented. |
| Address |
Institut fur Biophysik, Ruhr-Universitat Bochum, F.R.G |
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English |
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Edition |
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| ISSN |
0165-022X |
ISBN |
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| Notes |
PMID:3379245 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3804 |
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| Author |
KOTERBA AM et al, |
| Title |
Brathing strategy of the adult horse at rest |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
J Appl Physiol |
| Volume |
64 |
Issue |
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Pages |
337-346 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1327 |
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| Author |
Houpt Ka, H.T. |
| Title |
Social and illumination preferences of mares |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
J Anim Sci |
| Volume |
66 |
Issue |
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Pages |
2159-2164 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1201 |
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| Author |
Holzapfel, W.H.; Botha, S.J. |
| Title |
Physiology of Sporolactobacillus strains isolated from different habitats and the indication of in vitro antagonism against Bacillus species |
Type |
Journal Article |
| Year |
1988 |
Publication |
International Journal of Food Microbiology |
Abbreviated Journal |
Int J Food Microbiol |
| Volume |
7 |
Issue |
2 |
Pages |
161-168 |
| Keywords |
Animals; Bacillaceae/isolation & purification/*physiology; Bacillus/*physiology; Cattle; *Ecology; Feces/*microbiology; Food Microbiology; Horses; Sewage; Sheep; Water Microbiology |
| Abstract |
In an ecological study only low numbers of Sporolactobacillus were found in habitats such as the faeces of herbivores, the rumen of cattle and the final waste water of an abattoir. Their presence in the final waste water of an abattoir indicates their possible association with food, and, more specifically, with meat. Differences were found in some physiological characteristics. One isolate (L2404) differed from the authentic Sporolactobacillus ATCC 15538 by its inability to ferment inulin, its growth in presence of 6.5% NaCl and in 0.2% tellurite, by the isomer(s) of lactic acid produced and the mol% G + G in the DNA. One Sporolactobacillus isolate (L2407) showed antagonism against Bacillus cereus, Bacillus cereus var, mycoides, Bacillus megaterium and Bacillus subtilis. |
| Address |
Department of Microbiology and Plant Pathology, University of Pretoria, Republic of South Africa |
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English |
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Edition |
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0168-1605 |
ISBN |
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| Notes |
PMID:3275317 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2675 |
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