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| Author | Alexander, F.; Ash, R.W. | ||||
| Title | The effect of emotion and hormones on the concentration of glucose and eosinophils in horse blood | Type | Journal Article | ||
| Year | 1955 | Publication | The Journal of physiology | Abbreviated Journal | J Physiol |
| Volume | 130 | Issue | 3 | Pages | 703-710 |
| Keywords | Blood Glucose/*drug effects; Eosinophils/*drug effects; Leukocyte Count/*drug effects; *ACTH/effects; *BLOOD SUGAR/effect of drugs on; *EOSINOPHIL COUNT/effect of drugs on; *EPINEPHRINE/effects; *HISTAMINE/effects; *INSULIN/effects; *STRESS/experimental | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0022-3751 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:13278929 | Approved | no | ||
| Call Number | refbase @ user @ | Serial  |
122 | ||
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| Author | Alexander, F. | ||||
| Title | The effects of some humoral agents on the horse ileum | Type | Journal Article | ||
| Year | 1952 | Publication | British journal of pharmacology and chemotherapy | Abbreviated Journal | Br J Pharmacol Chemother |
| Volume | 7 | Issue | 1 | Pages | 25-32 |
| Keywords | Ileum/*drug effects; *HORMONES/effects; *ILEUM/effect of drugs on | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0366-0826 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:14904899 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
126 | ||
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| Author | Weik, H.; Altmann, J. | ||||
| Title | The effect of L(+)-lactate on rat and horse adipose tissue in vitro | Type | Journal Article | ||
| Year | 1972 | Publication | Zentralblatt fur Veterinarmedizin. Reihe A | Abbreviated Journal | Zentralbl Veterinarmed A |
| Volume | 19 | Issue | 6 | Pages | 514-518 |
| Keywords | Adipose Tissue/analysis/*drug effects; Animals; Fatty Acids, Nonesterified; Glycerol/metabolism; Horses; Lactates/*pharmacology; Lipid Metabolism; Male; Rats | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0514-7158 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:4626300 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
132 | ||
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| Author | Turner, J.W.J.; Kirkpatrick, J.F. | ||||
| Title | Androgens, behaviour and fertility control in feral stallions | Type | Journal Article | ||
| Year | 1982 | Publication | Journal of reproduction and fertility. Supplement | Abbreviated Journal | J Reprod Fertil Suppl |
| Volume | 32 | Issue | Pages | 79-87 | |
| Keywords | Animals; Animals, Wild; Copulation/drug effects; Female; *Fertility/drug effects; Horses/*physiology; Male; Periodicity; Pregnancy; Seasons; *Sexual Behavior, Animal/drug effects; Sexual Maturation; Sperm Count; Sperm Motility/drug effects; Testosterone/*blood/pharmacology | ||||
| Abstract | This field study of feral stallions in Montana and Idaho examines and correlates the seasonal pattern of plasma androgens and specific sociosexual behaviour and reports the effect of a long-acting androgenic steroid on this behaviour and on fertility. Plasma testosterone was measured by competitive protein binding assay in samples obtained by jugular venepuncture from captured animals. In samples taken from 34 sexually mature stallions in 6 different months during the year, a definite seasonal pattern in testosterone was present, with a peak in May (3.04 +/- 0.63 ng/ml) and a nadir in December (1.55 +/- 0.34 ng/ml). Values were less than 2.0 ng/ml in non-breeding months and greater than 2.4 ng/ml in breeding months. Behavioural endpoints measured were (1) stallion scent marking in response to elimination by mares (elimination marking), (2) mounting and (3) copulation. The frequencies of each of these endpoints followed closely the seasonal pattern seen for plasma androgens. In the fertility study microcapsulated testosterone propionate (microTP) was administered i.m. to 10 harem stud stallions 3 months before the 1980 breeding season. In these stallions and in 10 control harem studs, the above behavioural endpoints were examined in the 1980 and 1981 breeding seasons, and foal counts were made in 1981. There were no direct inhibitory or stimulatory effects of microTP treatment on any of the behavioural endpoints in either year. In 1981 foals were produced in 87.5% of the control bands and 28.4% of the microTP-treated bands. These results indicate that microencapsulated testosterone propionate can provide effective fertility control in feral horses without causing significant alterations in sociosexual behaviour. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0449-3087 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:6962905 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
138 | ||
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| Author | Lyda, R.O.; Hall, J.R.; Kirkpatrick, J.F. | ||||
| Title | A comparison of Freund's Complete and Freund's Modified Adjuvants used with a contraceptive vaccine in wild horses (Equus caballus) | Type | Journal Article | ||
| Year | 2005 | Publication | Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians | Abbreviated Journal | J Zoo Wildl Med |
| Volume | 36 | Issue | 4 | Pages | 610-616 |
| Keywords | Animals; Antibody Formation; Contraception, Immunologic/*veterinary; Estrus/drug effects; Female; Freund's Adjuvant/administration & dosage/adverse effects/*immunology; Horses/immunology/*physiology; *Vaccines, Contraceptive; Zona Pellucida/*immunology | ||||
| Abstract | Fifteen captive wild mares (Equus caballus) were treated with porcine zona pellucida contraceptive vaccine and either Freund's Complete Adjuvant (n = 7) or Freund's Modified Adjuvant (n = 8). All mares received a booster inoculation of porcine zona pellucida plus Freund's Incomplete Adjuvant a month later. Anti-porcine zona pellucida antibodies were measured over 10 mo following the initial inoculation. There were no significant differences in antibody titers at any point during the 10 mo, and seven of the eight mares in the Freund's Modified Adjuvant group were above the 60% level at the end of the study, which is considered to be the contraceptive threshold for horses. There were no significant differences in titers between pregnant and nonpregnant horses, nor was there a significant correlation between age and titers. One local injection site reaction occurred after booster treatment with Freund's Incomplete Adjuvant, and 11 healthy foals were born during the course of the study. These data suggest that Freund's Modified Adjuvant is an acceptable substitute for Freund's Complete Adjuvant in certain free-ranging and captive wildlife species. | ||||
| Address | Science and Conservation Center, 2100 South Shiloh Road, Billings, Montana 59106, USA | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1042-7260 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:17312717 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
139 | ||
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| Author | Kirkpatrick, J.F.; Liu, I.M.; Turner, J.W.J.; Naugle, R.; Keiper, R. | ||||
| Title | Long-term effects of porcine zonae pellucidae immunocontraception on ovarian function in feral horses (Equus caballus) | Type | Journal Article | ||
| Year | 1992 | Publication | Journal of reproduction and fertility | Abbreviated Journal | J Reprod Fertil |
| Volume | 94 | Issue | 2 | Pages | 437-444 |
| Keywords | Animals; Contraception, Immunologic/*veterinary; *Egg Proteins; Estrogens, Conjugated (USP)/urine; Female; Glycoproteins/*pharmacology; Horses/immunology/*physiology; *Membrane Glycoproteins; Ovary/drug effects/*physiology; Progesterone/metabolism; *Receptors, Cell Surface; Swine/immunology; Time Factors; Zona Pellucida/*immunology | ||||
| Abstract | Ten feral mares free-roaming in Maryland, USA, were inoculated with porcine zonae pellucidae (PZP) protein before the breeding season for three consecutive years (1988-90). Ovarian function was monitored for 51 days during the peak of the breeding season after the third annual PZP inoculation, in seven of these mares and in four untreated control mares, by means of urinary oestrone conjugates and nonspecific progesterone metabolites. None of the ten inoculated mares became pregnant in 1990, compared with 55% of 20 control mares, which included two of the four monitored for ovarian function. Three of the untreated mares demonstrated apparent normal ovarian activity, characterized by preovulatory oestrogen peaks, concurrent progesterone nadirs at ovulation, breeding activity, and luteal-phase progesterone increases after ovulation. Two of the seven monitored PZP-treated mares demonstrated ovulatory cycles that did not result in conception. One was pregnant as a result of conception in 1989 and demonstrated a normal, late-gestation, endocrine profile. The remaining four PZP-treated mares revealed no evidence of ovulation, and urinary oestrogen concentrations were significantly depressed. The experiments indicated that (i) a third consecutive annual PZP booster inoculation is greater than 90% effective in preventing pregnancies in mares and (ii) three consecutive years of PZP treatment may interfere with normal ovarian function as shown by markedly depressed oestrogen secretion. | ||||
| Address | Deaconess Research Institute, Billings, MT 59102 | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0022-4251 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:1317449 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
145 | ||
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| Author | Henning, J.M.; Zentall, T.R. | ||||
| Title | Imitation, social facilitation, and the effects of ACTH 4-10 on rats' bar-pressing behavior | Type | Journal Article | ||
| Year | 1981 | Publication | The American journal of psychology | Abbreviated Journal | Am J Psychol |
| Volume | 94 | Issue | 1 | Pages | 125-134 |
| Keywords | Adrenocorticotropic Hormone/*pharmacology; Animals; Conditioning, Operant/*drug effects; Dose-Response Relationship, Drug; Extinction, Psychological/drug effects; Imitative Behavior/*drug effects; Male; Peptide Fragments/*pharmacology; Rats; *Social Facilitation | ||||
| Abstract | The effects of ACTH 4-10 on rats' imitation learning was examined during the acquisition and extinction of a bar-press response for water reinforcement. Rats were exposed to either a bar-pressing conspecific (OB), an experimentally naive conspecific (ON), or an empty box (OE) during bar-press acquisition. In a factorial design, each rat was then exposed to one of the same three conditions during extinction. An 80 mcg dose of ACTH 4-10 was administered to half of the rats in each group prior to observation. Performance differences during acquisition were generally small, but significant performance differences during extinction were found. Social facilitation was indicated by the finding that rats extinguished in the presence of a conspecific exhibited significantly greater resistance to extinction than rats extinguished in the presence of an empty box. An imitation effect was also found. Rats that observed a bar-pressing conspecific during both acquisition and extinction (group OB-OB) showed significantly greater resistance top extinction than did groups OB-ON, CB-OE, or OE-OE. There were no significant effects of the hormone, however, relative to saline controls. | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0002-9556 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:6263117 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
267 | ||
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| Author | Hodgson, D.; Howe, S.; Jeffcott, L.; Reid, S.; Mellor, D.; Higgins, A. | ||||
| Title | Effect of prolonged use of altrenogest on behaviour in mares | Type | |||
| Year | 2005 | Publication | Veterinary journal (London, England : 1997) | Abbreviated Journal | Vet J |
| Volume | 169 | Issue | 1 | Pages | 113-115 |
| Keywords | Administration, Oral; Anabolic Agents/adverse effects/*pharmacology; Animals; Behavior, Animal/*drug effects; Body Constitution/drug effects; Body Weight/drug effects; *Doping in Sports; Female; Horses/*physiology; Social Behavior; Social Dominance; Time Factors; Trenbolone/adverse effects/*analogs & derivatives/*pharmacology | ||||
| Abstract | Erratum in: Vet J. 2005 May;169(3):321. Corrected and republished in: Vet J. 2005 May;169(3):322-5. Oral administration of altrenogest for oestrus suppression in competition horses is believed to be widespread in some equestrian disciplines, and can be administered continuously for several months during a competition season. To examine whether altrenogest has any anabolic or other potential performance enhancing properties that may give a horse an unfair advantage, we examined the effect of oral altrenogest (0.044 mg/kg), given daily for a period of eight weeks, on social hierarchy, activity budget, body-mass and body condition score of 12 sedentary mares. We concluded that prolonged oral administration of altrenogest at recommended dose rates to sedentary mares resulted in no effect on dominance hierarchies, body mass or condition score. |
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| Address | Faculty of Veterinary Science, University of Sydney, Private Mailbag 4, Narellan Delivery Centre, Narellan, NSW 2567, Australia. davidh@camden.usyd.edu.au | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1090-0233 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:15683772 | Approved | no | ||
| Call Number | refbase @ user @ | Serial |
671 | ||
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| Author | Zehnder, A.M.; Ramer, J.C.; Proudfoot, J.S. | ||||
| Title | The use of altrenogest to control aggression in a male Grant's Zebra (Equus burchelli boehmi) | Type | Journal Article | ||
| Year | 2006 | Publication | Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians | Abbreviated Journal | J Zoo Wildl Med |
| Volume | 37 | Issue | 1 | Pages | 61-63 |
| Keywords | Aggression/*drug effects; Animals; Animals, Zoo; Behavior, Animal/*drug effects; Dose-Response Relationship, Drug; Equidae/*physiology; Female; Horses; Male; Treatment Outcome; Trenbolone/*analogs & derivatives/therapeutic use | ||||
| Abstract | A male Grant's Zebra (Equus burchelli boehmi) housed with two mares at the Indianapolis Zoo had a 9-yr history of intermittent aggressive behavior toward mares and other animals. Periods of separation allowed the mares time to heal after sustaining superficial bite wounds. On 26 March 2003, the male (890293) was started on altrenogest at a dosage of 19.8 mg orally once daily to allow reintroduction. The dosage was doubled (40 mg once a day) because of a perceived lack of response. Reintroduction to the mares occurred on 17 May 2003 with no signs of aggression noted. Treatment was reduced to 19.8 mg orally once a day and then discontinued. Altrenogest was restarted at 39.5 mg orally once a day because of the planned introduction of a new mare. There have been no major aggressive displays at this dosage of altrenogest and the dosage has recently been reduced following successful introduction of a new mare. | ||||
| Address | University of Florida, 2015 SW 16th Street, Gainesville, Florida 32610, USA | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1042-7260 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:17312816 | Approved | no | ||
| Call Number | Serial |
1772 | |||
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| Author | Elhay, M.; Newbold, A.; Britton, A.; Turley, P.; Dowsett, K.; Walker, J. | ||||
| Title | Suppression of behavioural and physiological oestrus in the mare by vaccination against GnRH | Type | Journal Article | ||
| Year | 2007 | Publication | Australian Veterinary Journal | Abbreviated Journal | Aust Vet J |
| Volume | 85 | Issue | 1-2 | Pages | 39-45 |
| Keywords | Animals; Antibodies/blood; Estradiol/blood; *Estrus/drug effects/physiology; Female; Gonadotropin-Releasing Hormone/*immunology/*pharmacology; Horses/*physiology; Luteinizing Hormone/blood; Ovulation/*drug effects/physiology; Progesterone/blood; Safety; Sexual Behavior, Animal/drug effects/physiology; Time Factors; Vaccination/veterinary | ||||
| Abstract | OBJECTIVE: To examine the immunogenicity of an equine immunocontraceptive vaccine and its efficacy in controlling hormone-related behaviour. DESIGN: A total of 24 mares at two sites in Australia were vaccinated with an immunocontraceptive vaccine comprising gonadotrophin releasing hormone (GnRH) conjugated to a carrier protein in immunostimulating complex as an adjuvant. Twelve animals at each site received a placebo of adjuvant alone and served as controls for seasonal oestrus, hormonal and behaviour patterns. Animals were observed for injection site reactions, ovarian and follicular activity, and serum levels of antibody, 17beta-oestradiol and progesterone in the weeks following vaccination. Mares were also examined for oestrous behaviour by teasing with a stallion. RESULTS: All mares responded to vaccination. Two weeks following the second vaccination there was a peak in antibody response to GnRH that declined gradually over the following weeks. Commensurate with the elevated anti-GnRH antibody there was a marked effect on ovarian activity with a reduction in 17beta-oestradiol and progesterone levels in the 24 vaccinated mares. There was also a reduction of oestrus-related behaviour as determined by a teaser stallion. This effect lasted a minimum of 3 months and correlated with the initial level of antibody response. CONCLUSION: Following a conventional two-dose immunisation regime this commercially available equine immunocontraceptive vaccine was effective at inhibiting oestrous behaviour for at least 3 months. This vaccine has a high level of safety since there were no significant local reactions nor were there any adverse systemic responses to vaccination. | ||||
| Address | Veterinary Medicines Research and Development, Pfizer Animal Health, Parkville, VIC 3052. Martin.Elhay@pfizer.com | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0005-0423 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:17300452 | Approved | no | ||
| Call Number | Serial |
1831 | |||
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