The Visual Guide to
Bubaline Reproduction
Estrus Detection: Estrus Detection Aids
![Non-entry Teaser Bull.](images/wb00203.jpg)
Non-entry Teaser Bull.
The penis and prepuce of this bull were surgically deviated (to the left) to prevent intromission, hence transmission of venereal diseases.
Vale WG (1987)
![Teaser Bull Preparation.](images/wb00058.jpg)
Teaser Bull Preparation.
The prepuce and penis of an intact bull have been surgically deviated, at a 45 degree angle, to the left, to make him a non-entry teaser bull.
Vale WG (1987)
![Non-entry Teaser Bull.](images/wb00036.jpg)
Non-entry Teaser Bull.
Teaser bull with left laterally deviated penis, mounting a cow in standing heat. Notice the chin ball marking harness.
Vale WG (1987)
![Deviated Penis.](images/wb00463.jpg)
Deviated Penis.
Right lateral deviation of the penis. Notice the chin ball marking harness.
Vale WG (1987)
![Androgenized Teaser Cow.](images/wb00020.jpg)
Androgenized Teaser Cow.
Androgenized buffalo cow. The teaser should have sound legs to accommodate frequent mounting. She is wearing a chin ball marking harness. Androgenized females do not transmit venereal diseases.
Drost M (1982)
![Chinball Marking Harness.](images/wb00025.jpg)
Chinball Marking Harness.
This teaser animal is wearing a chin ball marking harness which has a refillable ballpoint-like reservoir underneath the chin. For ease of handling the teaser also has a nose ring.
Drost M (1982)
![Marking Harness.](images/wb00187.jpg)
Marking Harness.
Marking harness on an androgenized teasing female buffalo.
Vale WG (1987)
![Check Marking Harness.](images/wb00518.jpg)
Check Marking Harness.
Restraint to check the marking harness.
Zambrano-Varon J (2012)
![Filling the Marking Harness.](images/bedt33.jpg)
Filling the Marking Harness.
Filling of the chinball marking harness with marking fluid or paint. The spring loaded ball is depressed and paint is poured or squirted in.
Drost M (1983)