Alexander, F., & Nicholson, J. D. (1968). The blood and saliva clearances of phenobarbitone and pentobarbitone in the horse. Biochem Pharmacol, 17(2), 203–210.
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Alexander, F., Horner, M. W., & Moss, M. S. (1967). The salivary secretion and clearance in the horse of chloral hydrate and its metabolites. Biochem Pharmacol, 16(7), 1305–1311.
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Alexander, F. (1966). A study of parotid salivation in the horse. J Physiol, 184(3), 646–656.
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Weik, H., Lingk, W., & Altmann, H. J. (1972). [Behavior of individual fatty acids during in-vitro lipolysis and resynthesis in equine depot fat]. Zentralbl Veterinarmed A, 19(8), 677–685.
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Weik, H., & Altmann, J. (1972). The effect of L(+)-lactate on rat and horse adipose tissue in vitro. Zentralbl Veterinarmed A, 19(6), 514–518.
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Altmann, H. J., & Weik, H. (1971). [Serum fatty acid patterns of phospholipid fractions in horses]. Z Tierphysiol Tierernahr Futtermittelkd, 28(5), 285–288.
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Weik, H., & Altmann, H. J. (1971). [Behavior of blood lipids during fasting in the horse]. Zentralbl Veterinarmed A, 18(2), 131–138.
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Altmann, H. J., Hertel, J., & Drepper, K. (1970). [Nutritional physiology of the horse. 3. Protein values in the gastrointestinal tract of slaughtered horses]. Z Tierphysiol Tierernahr Futtermittelkd, 26(5), 245–252.
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Hertel, J., Altmann, H. J., & Drepper, K. (1970). [Nutritional physiology studies of the horse. II. Raw nutrient studies of the gastrointestinal tract of slaughtered horses]. Z Tierphysiol Tierernahr Futtermittelkd, 26(3), 169–174.
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Turner, J. W. J., & Kirkpatrick, J. F. (1982). Androgens, behaviour and fertility control in feral stallions. J Reprod Fertil Suppl, 32, 79–87.
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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