|Deterioration in the maternal qualities of the herd (milk, fertility, longevity).
||Overuse of terminal breeds in order to get the maximum from the sale of calves.
||Use A.I. for part of the herd with bulls that have the potential to sire quality replacement females.
Examples : Sitz 7674, Soder Canyon, Boomer, Optimum, Razzmatazz, Bradock.
|Calving difficulties with heifers
|Often the result of the above-mentionned situation.
||Have heifers A.I.'d with sires renowned for calving ease.
Examples : Soder Canyon, Sitz 7674, Joey, Freedom Fog, Next Big Thing, Senator, Scotty, Moscow.
|Decrease in the market value of calves (weight and muscling).
||Overuse of English breeds.
||Have adult cows A.I.'d with sires offering strong growth and muscling.
Examples : Hank, Suprême, Gaspard, Thunderstruck, Montana, Bradock, Stride.
|High feeding costs and/or bad fleshing condition of cows.
||Resources that are not well adapted to the maintenance needs of large sized animals.
||Use of A.I. sires with rustic type.
Examples : Serenade, Emblazon, Freedom Fog, Global, Major Leroy, Optimum, Bradock.
|High budget allocated to the purchase and maintenance of several bulls.
||Large herd and/or pasture broken up in several plots requiring the breeder to place a bull on each site.
||Synchronization and fixed-time A.I. allowing for the replacement of a certain number of bulls by additional cows.