Effect of sexual stimulation on concentrations of 5α-androstenone and testosterone in the peripheral plasma of boars reared individually
作者： R. Narendran , R.J. Etches , R.R. Hacker , G.H. Bowman
DOI: 10.1016/0378-4320(82)90007-0
关键词: BOAR 、 Sexual stimulation 、 Animal science 、 Internal medicine 、 Endocrinology 、 Plasma concentration 、 Androstenone 、 Testosterone (patch) 、 Estrous cycle 、 Peripheral plasma 、 Biology
摘要: Six Yorkshire boars were reared from 107 days of age in individual pens. No female pigs housed the same building. When 200 old, sows oestrus introduced to pens five and remained with for 2 days. oestrous sow was pen sixth boar. Plasma 5α-androstenone testosterone concentrations low between all boars. The maximum mean these two steroids during this period 6.18 ± 0.72 3.04 1.02 ng/ml, respectively. increased advancing (P < 0.01). A similar trend not seen plasma concentrations. by 247 27% 0.02) 1212 204% 0.001), respectively, samples drawn 24 h after introduction sexually receptive sows. maximal recorded following sexual stimulation 12.90 1.80 17.51 1.96 ng/ml testosterone, control boar also showed increases (221%) (751%) period, probably response auditory olfactory stimuli originating nearby
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