DNA Marker Genes in Pigs

 

As our knowledge of the Pig Genome increases we will uncover production genes which will determine the course of pig breeding.

Currently only a few genes are known with any real depth but more will be added

 

Production stage

and gene name

Production effect

Characteristation of impact

Finishing

MC4R

Growth

AA 3 days earlier to finish

Lean

GG 8% less back fat

GG eats significantly less feed per kg of gain

HMGA 1

Lean

 

Growth

 

CCKAR

Feed intake, Hunger control and obesity

 

PRKAG3

Meat quality

Muscle glucogen content

Meat quality

CAST (Calpastatin)

Meat tenderness

Proteases

HAL

Halothane gene

Stress, PSE, post-weaning mortality

RN-

Napole gene

 

Reproduction

ESR

Oestrogen receptor

Litter size

EPOR

 

Uterine capacity and litter size