number of females that display estrus during the period. That is, all females must respond to treatment and dis-. play estrus if a 50 to 60 percent pregnancy rate is to be. achieved in a single service.
Proposal letter to building/zoning department, requesting a large variance for allowing a property fence to be built for the privacy of a home purchaser.
Purpose of the Fence. The first consideration in deciding the best. fence is the purpose for which it will be used. Livestock protection and confinement are the. main reasons for considering fencing, but the. fencing needs for various types (species, age, breed, production system) of livestock vary. widely.