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Tkacheva, E.Y.; Alekseicheva, I.A.; Lifanova, O.B.
Study on seasonal testosterone excretion in males of Pallas' cat in Moscow zoo
2009  Research in Zoological Parks (25): 93-101

We studied excretion of testosterone in two manul males which were kept in Moscow zoo (with natural photoperiod). To determine concentration of testosterone in animals' faeces we used EIA-method. Period of reproductive activity caused by testosterone increase was revealed from the end of January till May, may be due to peculiarities of photoperiod in Moscow latitude. Testosterone excretion in the male with diabetes was seasonal though he did not show sexual behavior. Level of blood glucose did not correlated with level of testosterone excretion in that male.

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