Heat Detection

Signs of Estrus

Wayne Singleton
Department of Animal Sciences, Purdue University

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Primary:

Stands for boar or other females to mount or for "back pressure" test by a person.

Secondary:

Red, swollen vulva

Ears become erect when "back pressure" is applied

Mucous discharge

Increased physical activity

Seeks boar

Characteristic grunts and honks

Use mature, "ranty boar" and provide face-to-face contact with female.

Observe females for "abnormal" behavior or appearance.

 

Prepared for the web 5-29-97 by D. Forsyth