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==== Teaser Bulls ====
 
==== Teaser Bulls ====
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* Teaser bulls or androgenised cows will identify cows thst are in oestrus provided they have some sort of marker, such as a '''chin-ball device'''.
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* Teaser bulls or androgenised cows will identify cows that are in oestrus provided they have some sort of marker, such as a '''chin-ball device'''.
 
** The halter has a cone shaped device underneath which contains a freely rotating ball, working on the same principle as a ball-pen.
 
** The halter has a cone shaped device underneath which contains a freely rotating ball, working on the same principle as a ball-pen.
 
** The stainless steel ball container can be filled with ink of the desired colour.
 
** The stainless steel ball container can be filled with ink of the desired colour.
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