oestral

Percival, too, mentions at some length the effect of the removal of pain on the oestral and generative functions, quoting a case of a brood cart-mare by reason of bony deposits being stayed from breeding for some years.

Diseases of the Horse's Foot Harry Caulton Reeks

It had been observed that if the doe were withheld from the buck at oestral periods atrophy of the ovary took place.

Birth Control A Statement of Christian Doctrine against the Neo-Malthusians Halliday G. Sutherland 1921

"It is a remarkable fact, in this connection, that the female of these animals will allow the approaches of the male only during and immediately after the oestral period; that is, just when the egg is recently discharged, and ready for impregnation.

Plain Facts for Old and Young John Harvey Kellogg 1897

-- "It is a remarkable fact, in this connection, that the female of these animals will allow the approaches of the male only during and immediately after the oestral period; that is, just when the egg is recently discharged, and ready for impregnation.

Plain facts for old and young : embracing the natural history and hygiene of organic life. 1877