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Females are polyestrous; mating generally takes place in the fall.
Females are polyestrous and can have up to three litters per year.
Lions do not mate at any specific time of year, and the females are polyestrous.
It is seasonally polyestrous and the litter size varies from one to nine.
Some full-size dairy breeds are also noted for polyestrous sexual behavior.
Females are polyestrous and produce two or three litters during the breeding season.
Polyestrous sexual behavior means that they experience heat and can be freshened (made to come into milk production) year-round.
Mice are polyestrous and breed year round; ovulation is spontaneous.
Some species, such as cats, cows and domestic pigs, are polyestrous and can go into heat several times a year.
Female brown hyenas are polyestrous and typically produce their first litter when they are two years old.
Females are polyestrous and can raise several litters a year; in captivity, breeding takes place year-round.
Periods between births are less than 332 days, showing that the scimitar oryx is polyestrous.
Boer goats are polyestrous (they can breed throughout the year), and they reach sexual maturity at five months of age.
They then have periods of polyestrous cycling with noncycling periods of between three and 16 months.
Sexually active males have enlarged testes, and polyestrous females have a breeding period of 140 to 160 days.
These females are polyestrous, with each cycle lasting about 14 to 21 days and an estrus lasting for 2 days.
Pygmy goats are precocious and polyestrous breeders; bearing one to four young every nine to 12 months after a five month gestation period.
Breeding in the Jamaican fruit bat that is bimodal and polyestrous with births being dependant on fruit abundance.
Cats are polyestrous but experience a seasonal anestrus in autumn and late winter (Spindler and Wildt, 1999).
Pikas are reflex ovulators, that is ovulation only occurs after copulation, and they are also seasonally polyestrous.
Females are thought to be both polyestrous and asynchronous, pregnant females have been recorded every month between January and August except May.
Female cats are seasonally polyestrous, which means they may have many periods of heat over the course of a year, the season beginning in spring and ending in late autumn.
They have common rat characteristics regarding reproduction: polyestrous, with gestations of 21-24 days, litter size affected by food and other resources (6-11 pups), weaning takes around another month at 28 days.
Seasonally polyestrous animals or seasonal breeders have more than one estrous cycle during a specific time of the year and can be divided into short-day and long-day breeders:
The females are polyestrous, coming into heat in late summer and also around February, yet the males are fertile only around February; the potential fertility of this second period is unknown.