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About A2A2

A2A2 Milk

 

About Dovea Genetics Over the past couple of years we are getting enquiries for A2A2 Sires.

 

Some people feel they have mild intolerances or allergies to milk. The health problems are believed to be caused by a tiny protein fragment formed when we digest A1 beta-casein, a mutated protein in the milk. Milk that does not contain this mutated protein is called A2 milk.

 

The A1 gene can be bred out of a herd in about 10-15 years simply by choosing what are called A2/A2 sires.

 

This means that neither the dam or the sire carry the A1 gene.

 

Dovea Genetics are currently testing bulls to see which ones carry the desirable A2A2 gene to ensure that we can supply the genetics for those farmers producing milk for a specialised and growing market. Genetically speaking, a cow can be A1 A1, A1 A2, or A2 A2. A2 milk is cow’s milk that contains the A2 type of β-casein protein rather than the more prevalent A1 protein.

 

We have identified the following bulls from our international agencies as carriers of A2A2 genes.

 

Holstein Sires:

 

  • JENNY-LOU MARSHALL TOYSTORY (S430)
  • CO-OP BOSSIDE MASSEY (S1383)
  • DE SU FREDDIE GALAXY (S1491)
  • DE SU FREDDIE DENIM (S1622)
  • NOG MATO (S1493)
  • JERUDO (JUX)
  • ClOUNTIES WINTER (WTC)
  • LACKCASTLE KENNY (KYD)
  • COOKSTOWNBUDDY (KZY)
  • GARRENDENNY LUCIFER (FLG)
  • DOONMANAGH DSU BOWSER (DBW)
  • DEANSGROVE ARGENT (AZG)
  • KEALEFINCHEON WGM METEOR (FKM)
  • RAMORE GRANDMAN (RGE)
  • BALLINROE BARNEY (YBR)
  • LEAGH BALER (LZB)

 

High Genomic Sires 2015:

 

  • BALLYMADDOCK LHZ TIOMOTHY (YKZ)
  • DOONMANAGH HMY MOSSY (FJM)
  • SEAROAD AWS PAMELA 1 (SEW)
  • GADDAGH CUDDY REEKS (GZY)
  • AGHAWADDA ARTHUR (AGH)

 

Friesian Sires:

 

  • GRIETMAN (GIZ)
  • DOVEA PIETMAN (PZZ)

Norwegian Sires:

 

  • EGGTROEN (EGE)
  • BRAUT (ZBR)

 

Montbeliarde:

 

  • URBANISTE (S811)
  • CORSICA (S2026)

 

For further information, Contact Dovea Genetics

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