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Peripheral plasma levels of progesterone and oestradiol-17B of West African Dwarf goats during the oestrous cycle

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Title Peripheral plasma levels of progesterone and oestradiol-17B of West African Dwarf goats during the oestrous cycle
 
Creator Akusu, M.O.
Nduka, E.
Soyebo, B.A.
 
Subject GOATS
ANIMAL PRODUCTION
DWARFS
OESTROUS CYCLE
AFRICA
WEST AFRICA
PROGESTERONE
 
Description Oestrus was synchronised with PGF2-alpha in four pluriparous West African Dwarf (WAD) goats and blood collected through jugular venupuncture. The length of the oestrous cycle and oestrus duration were observed in three successive cycles while peripheral plasma progesterone and oestradiol-17B levels were determined by the radioimmunoassay technique. The mean oestrous cycle lengths and oestrus duration were 19.4 ± 1.7 d and 33.3 ± 6.6 h, respectively. Progesterone levels were very low during the first four days of the cycle (day 1 = day of oestrous) with the lowest level of 0.3 ± 0.02 ng/ml being recorded on day 2 of the cycle. There was a steady rise in the levels during the cycle until day 15 when the highest level of 2.2 ± 0.05 ng/ml was recorded which was followed by a sharp decline on day 20 (P
 
Date 2016-02-08T09:07:45Z
2016-02-08T09:07:45Z
1992
 
Type Conference Paper
 
Identifier http://hdl.handle.net/10568/70914
 
Language en