es·trus

also oes·trus (ĕs′trəs)

The periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating; heat.

[New Latin, from Latin oestrus, frenzy, gadfly, from Greek oistros; see eis- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

estrus

(ˈɛstrəs; ˈiːstrəs)

(Zoology) the usual US spelling of oestrus

ˈestrous, ˈestrual adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

es•trus

(ˈɛs trəs)
n.

a recurring period of maximum sexual receptivity in most female mammals other than humans; heat.

[1885–90; < Latin oestrus < Greek oîstros gadfly, sting, frenzy]

es·trus

(ĕs′trəs)

A regularly recurring period during which most female mammals are ready to mate. Also called heat.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

estrus, oestrus

the condition of being in rut or sexual arousal, applied particularly to the female. Also spelled estrum, oestrum. — estrous, oestrous, adj.

estrus

also oestrus
noun

A regular period of sexual excitement in female mammals:

heat, rut, season.

Mentioned in

References in periodicals archive

Keywords: Bos indicus, duration of estrus, natural estrus, induced heat.

ESTRUS DURATION AND EXPRESSION IN NATURAL AND INDUCED ESTRUS IN INDIGENOUS (Bos indicus) CATTLE

Puberty of female kids which was considered as the age at which female kids expressed behavior of estrus (Gallego-Calvo et al., 2015) in a mixed herd and for this purpose herd was observed by technical staff for 1 h twice a day i.e.

Reproductive Characteristics of Dazu Black Goats, a Newly Discovered Chinese Indigenous Breed Resource with High Litter Sizes

The urine is available in Peak Estrus, Buck Urine, and Scrape Lure scents and can be found online or in your local retailer's freezer display.

Deer to Door

Ovulation takes place on average 70% through estrus, but there is a huge variation in the estrus-ovulation interval (8-85 h; KEMP & SOEDE, 1997), making it difficult to predict the ovulation time.

Reproductive performance of fixed-time artificial insemination in swine and factors for the technology success/Desempenho reprodutivo da inseminacao artificial em tempo fixo em suinos e fatores para o sucesso da tecnologia

Therefore, the objective of the present work was to compare different staining methods to evaluate the morphology of vaginal epithelial cells of nulliparous and multiparous ewes during the estrus period.

Morphological characterization of vaginal epithelial cells of santa ines ewes subjected to estrus synchronization

The Adult Doe Estrus Bleat is an easy-to-use can call that mimics the bleat of a mature doe in heat.

YOU MAKE THE CALL: Today's hunter has a vast number of ways in which to mimic whitetail sounds. Here are some products to help you do just that

Ranchers monitor the data transmitted from the devices for anomalies in a cow's body temperature and other vitals to detect the onset of disease, estrus and to forecast delivery of calves.

Semtech, SK Telecom to monitor cattle health

With a higher incidence of does cycling into estrus earlier due to the increased density, Don now believes October hunting offers a more controlled setting.

Early Bird: Gets The Whitetail Prize: IF YOU THINK THE NOVEMBER RUT IS THE BEST TIME TO HUNT WHITETAIL BUCKS, THINK AGAIN

Effects of a potent GnRH agonist on hormonal profiles, synchronization of estrus and fertility in beef cattle.

Utilizacion de la ultrasonografia para determinar el estado genital en la sincronizacion e inseminacion artificial en vacas