Question

How many months prior to breeding a heifer should both leptospirosis and vibriosis vaccinations be given?

(a) 1-2  prior to breeding

(b) 3-4  prior to breeding

(c) 4-5  prior to breeding

(d) 6-7  prior to breeding

I had been asked this question in my homework.

This intriguing question originated from Cows in Dairy topic in division Building Blocks of Dairy Processing of Dairy Engineering

Answer 1

The correct answer is (a) 1-2  prior to breeding

To explain: Vibriosis vaccine is often combined with Leptospirosis in one vaccine.  The use of artificial insemination is also valuable in limiting disease spread.  It should be administered 1-2 months prior to breeding a heifer.