There are 3 books by D. O'Callaghan on BookOrb. A strong starting point is Follicular growth and ovulation rate in farm animals (1987). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Showing 2 of 3 titles.
Frequently asked questions
How many books has D. O'Callaghan written?
BookOrb lists 3 books by D. O'Callaghan.
Where should I start with D. O'Callaghan?
A good starting point is Follicular growth and ovulation rate in farm animals (1987).
What is the D. O'Callaghan books in order list?
In publication order: 1. Follicular growth and ovulation rate in farm animals (1987), 2. Manipulation of Growth in Farm Animals (2012).