| Records |
| Author |
Smuts Gl, |
| Title |
Home range sizes for Burchell's Zebra, Equus burchelli antiquorum from the Krüger National Park |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
Koedoe |
| Volume |
18 |
Issue |
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Pages |
139-146 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
| Call Number |
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Serial |
1612 |
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| Author |
Smuts Gl, |
| Title |
Pre – and postnatal growth phenomena of Burchell's Zebra, Equus Burchelli Antiquorum |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
Koedoe |
| Volume |
18 |
Issue |
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Pages |
69-102 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1613 |
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| Author |
Western D, |
| Title |
Water availability and its influence on the structure and dynamics of a savannah large mammal community |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
E Afr Wildl J 1 |
| Volume |
3 |
Issue |
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Pages |
265-288 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1704 |
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| Author |
Feist, J.D.; McCullough, D.R. |
| Title |
Reproduction in feral horses |
Type |
Journal Article |
| Year |
1975 |
Publication |
Journal of Reproduction and Fertility. Supplement |
Abbreviated Journal |
J Reprod Fertil Suppl |
| Volume |
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Issue |
23 |
Pages |
13-18 |
| Keywords |
Age Factors; Animals; Female; Horses/*physiology; Leadership; Male; Maternal Behavior; Population; Reproduction; *Sexual Behavior, Animal; Social Dominance; Sucking Behavior |
| Abstract |
A behavioural study of feral horses was conducted on the Pryor Mountain Wild Horse Range in the western United States. All 270 horses on the Range were identified individually. The sex ratio was nearly balanced. Foal to adult female ratio was 43-2:100. Morality was concentrated among foals and old horses. Horses were organized as forty-four harem groups each with a dominant stallion, one to two immature stallions, one to three immature mares, one to three adult mares and their yearling and foal offspring, and 23 bachelor groups of one to eight stallions. Harem groups were quite stable year-round because of dominance and leadership by the stallions and group fidelity by mares and their offsring. Most changes occurred during the breeding season and involved immature females. Defeat of dominant stallions was infrequent. Immature males were tolerated because of their submissive behaviour. Bachelor stallion groups were inherently unstable. Mares came into heat after foaling in May/June, and were mated by harem stallions only. |
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English |
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0449-3087 |
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| Notes |
PMID:1060766 |
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no |
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refbase @ user @ |
Serial |
1964 |
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| Author |
Syme, G.J.; Syme, L.A. |
| Title |
The concept of spatial leadership in farm animals: An experiment with sheep |
Type |
Journal Article |
| Year |
1975 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
23 |
Issue |
Part 4 |
Pages |
921-925 |
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| Abstract |
The concept of spatial leadership as applied to farm animals is discussed with particular emphasis on methodological problems. Using three experimental procedures forced spatial leadership orders were measured in a group of Romney ewes. Comparisons between orders showed the effects of both the different experimental tasks and the social context on leadership structure. Both these variables were found to affect the orders obtained. The results are interpreted in terms of the utility of the concept of spatial leadership in domestic animals and the necessity for more systematic procedural investigations in this area. |
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no |
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Serial |
2039 |
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| Author |
Wagner, G. |
| Title |
[Flight leadership in flocks of homing pigeons] |
Type |
Journal Article |
| Year |
1975 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
| Volume |
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Issue |
39 |
Pages |
61-74 |
| Keywords |
Animals; *Columbidae; *Flight, Animal; *Orientation |
| Abstract |
Groups of 3-5 homing pigeons individually recognizable by different colours of their plumage were followed by helicopter on their way home. In most cases the animals flew together as a group with frequently changing leadership. Flight formations in terms of leadership were noted every minute. It was examined statistically whether the flight order varies at random or whether there are leading and led birds. In 6 out of 7 experiments with groups of 4-5 pigeons flight order was far from random, one or two pigeons proving to be leaders. In only one experiment leadership did not differ from a random distribution. No correlation could be found between the tendency to lead within a group and homing performance of the single pigeon when released individually. |
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German |
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Original Title |
Zur Frage des Flugfuhrens in heimkehrenden Brieftaubengruppen |
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0044-3573 |
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PMID:1231423 |
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no |
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2050 |
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| Author |
Bannikov, A.G. |
| Title |
Recent status of the wild ass in Mongolia |
Type |
Journal Article |
| Year |
1975 |
Publication |
IUCN Bulletin |
Abbreviated Journal |
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| Volume |
6 |
Issue |
4 |
Pages |
16 |
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no |
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Equine Behaviour @ team @ |
Serial |
2219 |
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| Author |
Belonje, P.C.; van Niekerk, C.H. |
| Title |
A review of the influence of nutrition upon the oestrous cycle and early pregnancy in the mare |
Type |
Journal Article |
| Year |
1975 |
Publication |
Journal of Reproduction and Fertility. Supplement |
Abbreviated Journal |
J Reprod Fertil Suppl |
| Volume |
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Issue |
23 |
Pages |
167-169 |
| Keywords |
Animals; Body Weight; *Diet; *Estrus; Female; Fertility; Fetal Resorption/prevention & control; Horses/*physiology; Pregnancy |
| Abstract |
Attention is drawn to the beneficial effect of improved nutrition during winter and early spring on the ovarian activity of mares. Furthermore, the necessity of an adequate plane of nutrition during early pregnancy to prevent embryonic resorption is stressed. |
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English |
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0449-3087 |
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| Notes |
PMID:1060772 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2225 |
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| 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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no |
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Equine Behaviour @ team @ |
Serial |
2378 |
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| Author |
Wang, L.Y. |
| Title |
Host preference of mosquito vectors of Japanese encephalitis |
Type |
Journal Article |
| Year |
1975 |
Publication |
Zhonghua Minguo wei Sheng wu xue za zhi = Chinese Journal of Microbiology |
Abbreviated Journal |
Zhonghua Min Guo Wei Sheng Wu Xue Za Zhi |
| Volume |
8 |
Issue |
4 |
Pages |
274-279 |
| Keywords |
Animals; *Behavior, Animal; Birds/blood; *Culex; Ecology; Encephalitis, Japanese/*transmission; *Feeding Behavior; Female; Humans; *Insect Vectors; Mammals/blood; Species Specificity; Taiwan |
| Abstract |
The host preference of 4 Culex mosquito species collected in Miaoli and Pingtung counties, Taiwan was studied by capillary precipitin method. Antisera to alum-precipitated sera of man, bovine, swine, rabbit, horse, dog, cat, mouse, chicken, duck, and pigeon were produced in rabbits and reacted with 758 mosquito blood meals among which reactions to one or more antisera. Culex annulus and Culex tritaeniorhynchus summorosus showed a great avidity for pig, and Culex fuscocephala for bovine. Culex pipiens fatigans was ornithophilic. None of 110 C. t. summorosus and 2.4% of 223 C. annulus had fed on man. Among 66 samples of C.p. fatigans tested 10.3% had fed on man, while none of 359 C. fuscocephala did. It seems that the latter does not act as a primary vector of Japanese encephalitis. |
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0009-4587 |
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| Notes |
PMID:181218 |
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no |
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Equine Behaviour @ team @ |
Serial |
2702 |
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