Übersetzung für 'oestrous' von Englisch nach Deutsch

oestrous {adj}

östrischbiol.

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oestrous cycle [Br.]

Brunstzyklus {m}zool.

Sexualzyklus {m}zool.

Östruszyklus {m}zool.

• When a mare reaches sexual maturity and has her first oestrous cycle, she attracts the attention of nearby stallions, both bachelors and harem leaders.
• In white rhino dung, a mixture of volatile organic compounds present signal the defecator's sex and age class, and depending on whether they are a male or female, also indicate the male territorial status or female oestrous state.
• A potential 100% pregnancy rate is reduced if cows do not respond to hormones and fertilisation attempts, as well as incorrect timing of the oestrous cycle.
• Their oestrous cycle is 29–32 days. Mating occurs 2–12 hours after the birth of the young.
• The Lee–Boot effect is a phenomenon concerning the suppression or prolongation of oestrous cycles of mature female mice (and other rodents), when females are housed in groups and isolated from males.

• Bulls associate with family groups if an oestrous cow is present.
• The swamp wallaby exhibits an unusual form of embryonic diapause, differing from other marsupials in having its gestation period longer than its oestrous cycle.
• Thus it is usual to wait one or two further oestrous cycles before rebreeding, unlike the practice with mares.
• Around 45% of females breed each year when in oestrous between late January and early February.
• Maternal recognition of pregnancy differs between species, however they all include a signal to prevent luteolysis, which then prevents the resumption of menstrual or oestrous cycles.

• Early reports stated that simply having an oestrous doe in close proximity to a buck can induce ovulation, although there were no data presented in these early reports.
• The apical surface of the uterine epithelial cells is covered with microvilli that are under hormonal control and vary in length and number with the oestrous cycle and during pregnancy.
• Reproduction is delayed by six months for captive pandas in the southern hemisphere. Oestrous lasts a day, and females can enter oestrous multiple times a season, but it is not known how long the intervals between each cycle last.
• The corpus luteum develops from an ovarian follicle during the luteal phase of the menstrual cycle or oestrous cycle, following the release of a secondary oocyte from the follicle during ovulation.
• Unflanged males wander widely in search of oestrous females and upon finding one, will force copulation on her, the occurrence of which is unusually high among mammals.