Growth / feed intake / backfat (MC4R-related) - Pig

What does this test examine?

This DNA test analyses the MC4R c.892G>A variant in pigs. MC4R encodes the melanocortin-4 receptor, which is involved in appetite regulation, energy balance, body weight and fat deposition.

The trait is described using terms such as growth, feed intake, growth rate, backfat, fatness, carcass traits and MC4R-related performance traits. It is not a simple disease trait, but an economically important selection marker that works together with other genetic and management factors.

What does MC4R mean in practice?

In pigs, this MC4R variant is linked to differences in growth rate, feed intake and backfat. In breeding practice, the A allele tends to point toward higher appetite and faster growth, while the G allele fits a leaner profile with less backfat.

The test shows whether an animal carries G/G, G/A or A/A. This helps breeders choose the direction that best fits their breeding goal: maximum growth, leaner carcass composition, feed efficiency or a balanced production profile.

Practical value of this test

This analysis is useful for selection and mating decisions in lines where growth, feed use and carcass quality are commercially important.

Why test?

• Helps rank breeding animals for a marker linked to growth and fat deposition.
• Supports choices between faster-growing animals and a leaner carcass profile.
• Adds genetic information alongside performance records, feed conversion and slaughter data.
• Makes selection more consistent when animals show similar visible performance.
• Helps combine breeding goals for growth, efficiency and meat production more deliberately.