Species

Breeding goals

Possible negative side effects of selection

Reproduction

Health

Metabolism

Pig

High growth rate and/or minimum back fat thickness

Prolonged interval from weaning to farrowing

Delayed onset of puberty

Shorter pro-oestrus

More frequent vulvar symptoms

More leg weakness

Dairy cattle

High milk yield

Breeding later

Longer calving interval

Higher number of inseminations per conception

More digestive disorders

More skin or skeletal disorders

More udder edema

Higher risk of mastitis

Lower energy balance

Loss of body condition score