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Author |
Bourdin, P.; Laurent, A. |
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Title |
[Ecology of African horsesickness] |
Type |
Journal Article |
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Year |
1974 |
Publication  |
Revue d'Elevage et de Medecine Veterinaire des Pays Tropicaux |
Abbreviated Journal |
Rev Elev Med Vet Pays Trop |
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Volume |
27 |
Issue |
2 |
Pages |
163-168 |
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Keywords |
African Horse Sickness/*epidemiology/transmission; Animals; Disease Reservoirs/veterinary; Horses; Humans; Insect Vectors |
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French |
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Original Title |
Note sur l'ecologie de la peste equine africaine |
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0035-1865 |
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Notes |
PMID:4619907 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2710 |
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Author |
Goncalves, T.C.; Rocha, D.S.; Cunha, R.A. |
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Title |
Feeding patterns of Triatoma vitticeps in the State of Rio de Janeiro, Brazil |
Type |
Journal Article |
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Year |
2000 |
Publication |
Revista de Saude Publica |
Abbreviated Journal |
Rev Saude Publica |
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Volume |
34 |
Issue |
4 |
Pages |
348-352 |
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Keywords |
Animals; Brazil; Cattle; Chagas Disease/transmission; Dogs; Ecology; Feeding Behavior/physiology; Female; Food Habits/physiology; Humans; Insect Vectors/*physiology; Male; Triatoma/*physiology; *Trypanosoma cruzi/isolation & purification |
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Abstract |
OBJECTIVE: Feeding patterns of triatomines have contributed to elucidate its biology. Triatoma vitticeps, naturally infected with T. cruzi, has been found in domiciles. Its behavior and epidemiological patterns were investigated. METHODS: One-hundred and twenty two specimens of T. vitticeps were captured from February 1989 to April 1993 in two areas of Triunfo municipality, a subdistrict of Santa Maria Madalena municipal district, State of Rio de Janeiro, Brazil. The insects were dissected and their intestinal contents were removed and tested. It was used antisera from: man, cow, horse, dog, pig, armadillo, opossum, rodent, and bird. RESULTS: From the total analyzed, 79 were positive and 43 were negative to the nine antisera tested: armadillo (30.3%) > human and pig (13.1%) > bird and dog (11.5%) > horse (5.7%) > opossum (4.9%) > rodent (4. 1%) > cow (3.3%). Blood meals ranged from 0 to 4 and 6 in the following distribution: 0 = 25.41%; 1 = 45.08%; 2 = 10.66%; 3 = 6. 56%; 4 = 1.64%, and 6 = 0.82%. Nine of the 122 insects captured were not examined, 74 (65.54%) were positive for T. cruzi infection and 39 (34.51%) were negative. CONCLUSIONS: These results identified the T. vitticeps as being a sylvatic species and trypanosomiasis as being an enzootic disease. Epidemiological vigilance will be important to provide more information regarding the behavior of the species |
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Address |
Departamento de Entomologia, Instituto swaldo Cruz, Fiocruz, Rio de Janeiro, RJ, Brasil. tcmonte@gene.dbbm.fiocruz.br |
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0034-8910 |
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Notes |
PMID:10973153 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2650 |
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Author |
Alexander, F.; Collett, R.A. |
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Title |
Pethidine in the horse |
Type |
Journal Article |
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Year |
1974 |
Publication |
Research in veterinary science |
Abbreviated Journal |
Res Vet Sci |
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Volume |
17 |
Issue |
1 |
Pages |
136-137 |
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Keywords |
Animals; Half-Life; Horses/*metabolism; Injections, Intravenous/veterinary; Male; Meperidine/administration & dosage/analysis/*metabolism/pharmacology |
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ISSN |
0034-5288 |
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Notes |
PMID:4421117 |
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no |
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Call Number |
refbase @ user @ |
Serial |
113 |
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Author |
Alexander, F.; Davies, M.E.; Muir, A.R. |
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Title |
Bacteriophage-like particles in the large intestine of the horse |
Type |
Journal Article |
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Year |
1970 |
Publication |
Research in veterinary science |
Abbreviated Journal |
Res Vet Sci |
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Volume |
11 |
Issue |
6 |
Pages |
592-593 |
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Keywords |
Animals; Bacteriophages/*isolation & purification; Cecum/microbiology; Colon/microbiology |
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English |
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0034-5288 |
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Notes |
PMID:5498578 |
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no |
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Call Number |
refbase @ user @ |
Serial |
114 |
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Author |
Kirkpatrick, J.F.; Turner, J.W.J.; Liu, I.K.; Fayrer-Hosken, R.; Rutberg, A.T. |
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Title |
Case studies in wildlife immunocontraception: wild and feral equids and white-tailed deer |
Type |
Journal Article |
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Year |
1997 |
Publication |
Reproduction, fertility, and development |
Abbreviated Journal |
Reprod Fertil Dev |
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Volume |
9 |
Issue |
1 |
Pages |
105-110 |
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Keywords |
Animals; Antigens/immunology; Contraception, Immunologic/*veterinary; *Deer; *Equidae; Female; Immunization, Secondary; Pest Control/*methods; Pregnancy; Swine; Vaccines/administration & dosage; Zona Pellucida/immunology |
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Abstract |
Non-lethal management methods are required for wild equids that are protected by law and for deer inhabiting areas where lethal controls are not legal or safe. Single or multiple inoculations of porcine zona pellucida (PZP) vaccine have been delivered to wild horses and deer by means of darts. Contraceptive efficacy in horses after two inoculations ranged from 90% to 100%, and after a single inoculation ranged from 19% to 28%. Mares given a controlled-release form of the vaccine had foaling rates ranging from 7% to 20%. No detectable changes in social organization or behaviours among treated horses occurred. Contraceptive effects were reversible after 4 consecutive years of treatment but 5-7 years of treatment resulted in ovulation failure and decreased urinary oestrogen concentrations. Among deer, two inoculations were 70-100% effective in preventing fawns, but one inoculation yielded a contraceptive efficacy of < or = 20%, with pregnancies occurring late in the breeding season; a single annual booster inoculation reduced fertility to 20% in the second year. Energy costs of extended breeding seasons were less than those resulting from pregnancy. After two years of treatment, ovaries appeared normal. These studies suggest that PZP immunocontraception can be successfully applied to certain free-roaming populations of wild horses and deer. |
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Address |
ZooMontana, Billings 59108, USA |
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English |
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Edition |
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ISSN |
1031-3613 |
ISBN |
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Notes |
PMID:9109199 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
143 |
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Author |
Villani, M.; Cairoli, F.; Kindahl, H.; Galeati, G.; Faustini, M.; Carluccio, A.; Veronesi, M.C. |
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Title |
Effects of mating on plasma concentrations of testosterone, cortisol, oestrone sulphate and 15-ketodihydro-PGF2alpha in stallions |
Type |
Journal Article |
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Year |
2006 |
Publication |
Reproduction in Domestic Animals = Zuchthygiene |
Abbreviated Journal |
Reprod Domest Anim |
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Volume |
41 |
Issue |
6 |
Pages |
544-548 |
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Keywords |
Animals; Dinoprost/*analogs & derivatives/blood; Ejaculation/physiology; Estrone/*analogs & derivatives/blood; Horses/*blood/physiology; Hydrocortisone/*blood; Male; Sexual Behavior, Animal/*physiology; Testosterone/*blood |
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Abstract |
Very little information is available regarding the physiological mechanisms involved in the normal sexual activity in the stallion and, in particular, the endocrine control of reproduction is still not clearly understood. This experiment was designed to determine the short-term effect of sexual stimulation on plasma concentrations of testosterone, cortisol, oestrone sulphate and 15-ketodihydro-PGF(2alpha) in stallions. Semen samples were collected from 10 lighthorse stallions of proven fertility using a Missouri model artificial vagina. At the same time, blood samples were collected from the jugular vein with heparinized tubes, 20 and 10 min before oestrous mare exposure, at exposure and 10, 20, 30 min after dismounting. Testosterone concentrations showed a sharp rise 10 min after mating (p < 0.001), reached a plateau, and then showed a further increase 30 min after mating (p < 0.001). Cortisol concentrations increased 10 min after mating (p < 0.001) and remained at high levels in the subsequent samples taken. A peak of oestrone sulphate was observed 10 min after mating (p < 0.001). 15-Ketodihydro-PGF(2alpha) concentrations decreased rapidly at the moment of the exposure of the stallions to an oestrous mare (p < 0.05), returned to pre-mating concentrations and then decreased again 30 min after mating (p < 0.05). |
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Address |
Dipartimento di Scienze Cliniche Veterinarie, Sez. Clinica Ostetrica e Ginecologica Veterinaria, Milan, Italy |
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English |
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Edition |
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ISSN |
0936-6768 |
ISBN |
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Notes |
PMID:17107515 |
Approved |
no |
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Call Number |
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Serial |
1855 |
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Author |
Hedberg, Y.; Dalin, A.-M.; Ohagen, P.; Holm, K.R.; Kindahl, H. |
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Title |
Effect of oestrous-cycle stage on the response of mares in a novel object test and isolation test |
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Journal Article |
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Year |
2005 |
Publication |
Reproduction in Domestic Animals = Zuchthygiene |
Abbreviated Journal |
Reprod Domest Anim |
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Volume |
40 |
Issue |
5 |
Pages |
480-488 |
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Keywords |
Animals; Behavior, Animal/*physiology; Cross-Over Studies; Diestrus/*physiology; Estrus/*physiology; Female; Heart Rate/*physiology; Horses/*physiology; Questionnaires |
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Abstract |
In various species, sex, hormonal treatments and oestrous-cycle stage have been shown to affect the animal's response in behavioural tests. Few such studies have been performed in the horse. The main aim of the present study was to investigate whether oestrous-cycle stage affects mares' response to a novel object test and isolation test and, in part, to study whether mares, assumed to suffer from oestrous-related behavioural problems, respond differently in these tests when compared with controls. Twelve mares were tested twice, in oestrus and dioestrus, in a crossover design. Seven behavioural and two heart rate variables were measured for the novel object test and two heart rate variables for the isolation test. Oestrous-cycle stage and whether a mare was classified as a 'problem' mare did not affect the mare's response. However, test order, i.e. the cycle stage a mare was tested in first, affected its reaction. This effect could partly be explained by significant differences between test occasions 1 and 2 in three behavioural variables and one heart rate variable (p < 0.05) in the novel object test. The mares explored the novel object more and had a higher mean heart rate in the first test. Exploring the novel object more could largely be attributed to those mares tested in dioestrus first, perhaps indicating that the mares in oestrus were less receptive to the novel object. The reason for the differences between test occasions could be an effect of learning or habituation. |
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Address |
Division of Comparative Reproduction, Obstetrics and Udder Health, Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden. ylva.hedberg@kv.slu.se |
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English |
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ISSN |
0936-6768 |
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Notes |
PMID:16149956 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5170 |
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Author |
Kirkpatrick, J.F.; Turner, A. |
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Title |
Reversibility of action and safety during pregnancy of immunization against porcine zona pellucida in wild mares (Equus caballus) |
Type |
Journal Article |
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Year |
2002 |
Publication |
Reproduction (Cambridge, England) Supplement |
Abbreviated Journal |
Reprod Suppl |
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Volume |
60 |
Issue |
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Pages |
197-202 |
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Keywords |
Animals; *Animals, Wild; Antigens/administration & dosage; Contraception, Immunologic/methods/*veterinary; Egg Proteins/administration & dosage; Female; Fertility; *Horses; Immunization, Secondary/veterinary; Membrane Glycoproteins/administration & dosage; Population Control; Pregnancy; *Receptors, Cell Surface; Safety; Swine; Time Factors; Vaccines, Contraceptive/*administration & dosage |
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Abstract |
Contraceptive management of publicly valued wildlife species requires safeguards to ensure that these populations are preserved in a healthy state. In addition, reversibility of contraceptive effects and safety in pregnant animals are major concerns. A population of wild horses has been immunized against porcine zona pellucida (PZP) over a 12 year period on Assateague Island National Seashore, MD (ASIS). Mares initially received one or two 65 microg inoculations and once a year 65 microg booster inoculations, all delivered by dart. All young mares aged > 2 years were treated with PZP for 3 consecutive years regardless of whether they have bred successfully and they were then removed from treatment until they had foaled. All mares vaccinated for 1 or 2 consecutive years became fertile again and 69% of mares treated for 3 consecutive years returned to fertility. All five mares treated for 4 or 5 consecutive years have also returned to fertility, but over longer periods of time. Mares treated for 7 consecutive years have not returned to fertility, but several, while still infertile, have started ovulating again. There was no difference in survival rates between foals born to treated and untreated mares, and PZP treatment of pregnant mares did not affect subsequent fertility of their female offspring. |
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Address |
Science and Conservation Center, ZooMontana, Billings 59106, USA. zoolab@wtp.net |
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English |
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ISSN |
1477-0415 |
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Notes |
PMID:12220160 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
141 |
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Author |
Turner, A.; Kirkpatrick, J.F. |
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Title |
Effects of immunocontraception on population, longevity and body condition in wild mares (Equus caballus) |
Type |
Journal Article |
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Year |
2002 |
Publication |
Reproduction (Cambridge, England) Supplement |
Abbreviated Journal |
Reprod Suppl |
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Volume |
60 |
Issue |
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Pages |
187-195 |
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Keywords |
Animals; *Animals, Wild; Antigens/administration & dosage; Body Constitution; Contraception, Immunologic/methods/*veterinary; Egg Proteins/administration & dosage; Female; *Horses; Longevity; Membrane Glycoproteins/administration & dosage; Population Control; Population Dynamics; *Receptors, Cell Surface; Swine; Vaccines, Contraceptive/administration & dosage |
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Abstract |
Contraception is becoming a common approach for the management of captive and wild ungulates yet there are few data for contraceptive effects on entire populations. Management-level treatment of mares with porcine zona pellucida (PZP) vaccine resulted in zero population growth of the Assateague Island wild horse population within 1 year of initiation of treatment. Contraceptive efficacy was 90% for mares treated twice in the first year and annually thereafter. For mares given a single initial inoculation, contraceptive efficacy was 78%. The effort required to achieve zero population growth decreased, as 95, 83 and 84% of all adult mares were treated in each of the first 3 years, compared with 59 and 52% during the last 2 years. Mortality rates for mares and foals after the initiation of management-level treatments decreased below historic and pretreatment mortality rates of approximately 5%. Two new age classes have appeared among treated animals (21-25 years and > 25 years), indicating an increase in longevity among treated animals. Body condition scores for all horses, all adult mares and non-lactating mares increased significantly between summer 1989 and autumn 1999 but did not change significantly in lactating mares. These results provide reliable data for the construction of realistic models for contraceptive management of free-roaming or captive ungulate populations. |
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Address |
Assateague Island National Seashore, Berlin, MD 21811, USA |
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English |
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1477-0415 |
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Notes |
PMID:12220158 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
142 |
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Author |
Lynch, J.J.; Fregin, G.F.; Mackie, J.B.; Monroe, R.R.J. |
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Title |
Heart rate changes in the horse to human contact |
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Journal Article |
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Year |
1974 |
Publication |
Psychophysiology |
Abbreviated Journal |
Psychophysiology |
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Volume |
11 |
Issue |
4 |
Pages |
472-478 |
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Keywords |
Animals; Behavior, Animal; Electrocardiography/veterinary; *Heart Rate; Horses/*physiology; Humans; *Social Behavior; *Touch |
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English |
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0048-5772 |
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Notes |
PMID:4852234 |
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no |
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Call Number |
refbase @ user @ |
Serial |
1965 |
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