polyestrous


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Related to polyestrous: Oestrus

polyestrous

[¦päl·ē′es·trəs]
(physiology)
Having several periods of estrus in a year.
References in periodicals archive ?
amplus on the Llanos versant contrasts with those polyestrous patterns reported by Sosa and Ramoni-Perazzi (1995) in a locality on the Maracaibo Lake versant, where rainfall has two peaks in April-May and September-October, A.
TABLE 10-1 Ovarian cycles of different mammalian species Classification Classification Length of Cycle Species (Estrus) (Ovulation) (Days) Human Menstrual Spontaneous 24-32 cycle Cattle Polyestrous Spontaneous 20-21 Swine Polyestrous Spontaneous 19-21 Sheep Seasonally Spontaneous 16-17 polyestrous Horse Seasonally Spontaneous 20-22 polyestrous Rabbit Polyestrous Induced 1-2 (non-mated) 14-15 (infertile male) Rat Polyestrous Spontaneous 4-5 (non-mated) 13-14 (infertile male) Dog Monoestrous - Spontaneous 84-252 polyestrous Follicular Luteal Phase Species Phase (Days) (Days) Human 10-14 12-15 Cattle 2-3 18-19 Swine 5-6 15-17 Sheep 1-2 14-15 Horse 5-6 15-16 Rabbit 1-2 0 (non-mated) 13 (infertile male) Rat 2 2-3 (non-mated) 11-12 (infertile male) Dog 18 63
No Absolutes in a Biological System As a rule, most mares are seasonally polyestrous.
Polyestrous (pohl-e-ehs-truhs) Each estrous cycle is immediately followed by another estrous cycle.
Seasonally polyestrous Each estrous cycle is followed immediately by another estrous cycle during part of the year.
The water buffalo is the polyestrous animal and the sexual activities occur all round year but it shows a distinct seasonal variation in the display of estrus and conception rate (Singh and Nanda, 1993).
Reproductive pattern is asynchronic continual polyestrous.
Females are seasonally polyestrous and most do not have reproductive cycles during the winter months.
The Jamaican fruit-eating bat is known to follow a bimodal polyestrous reproductive cycle in Central America (Wilson, 1979) and Jamaica (Genoways et al.
This species has a reproductive cycle defined as seasonal polyestrous by Fabian and Marques (1989) in northeastern Brazil, and as seasonal monoestral by Pacheco (2001) in the southern region of the country.