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Rearing feeds - Poultry, Layers, Broiler Breeders

Chick Grower & Rearing Feeds

Corby Rock Mill are the leading manufacturers of rearing and grower feeds with the poultry sector. With over 50 years experience with our sister company Corby Rock Eggs rearing pullets and producing in both free range and Colony production, and over 40 years in manufacturing poultry feeds. Corby Rock is a brand that understands the criteria of poultry & chicken feed requirements.

  We work in close conjunction with nutritionists to develop and maintain an evolving breed standard feed requirement to maximise growth, feed efficiency and profitability throughout rear.

Corby Rock understands the importance of preparation, and apply this throughout our chick and grower range. From the onset of hatch our diets promote skeletal development and a balanced nutrient intake in a presentable mash form echoing a growth curve that achieves results. Our vast milling experience and quality control practices focus on raw material selection and manufacturing processes that echo our ethos of consistent quality products, helping each grower maximise their return.

Corby Rock Mill - Rearing Diets

1 Day Old - 8 Wks

Spec – 1 

Super Chick Starter

High in Energy & Protein for early core growth

3 Wks - 6 Wks

Spec – 2

Chick Starter

Follow on Chick with a slightly coarser grist, with a step down in Protein. Contains CC

8 Wks - 16 Wks

Spec – 7

Chick Grower + CC

Final stage diet before transfer to laying unit.

8 Wks - 16 Wks

Spec – 6

Chick Grower

Final stage diet before transfer to laying unit. Contains no CC

Super Chick Starter Meal
(Product code 1)

Uniquely formulated to provide a complete balanced diet for all types of poultry chicks. Contains Monensin as an aid in the prevention of Coccidiosis.

  • Fine consistent ground Mash that encourages intake  
  • High in Energy and Quality Protein 
  • High in Vitamin and Minerals 
  • High in Essential Amino Acids to establish core growth and feather development 
  • This product is feed from 1 wks to 3 wks of age. 

This diet is a powerhouse of essential nutrition, for day old chicks to establish their rapid growth curve. Relatively unchanged in specification for over 40 years with Corby Rock Eggs 1 Million pullets reared annually, this product is established as market leader. 

Chick Starter Mash
(Product code 2)

Contains Monensin as an aid in the prevention of Coccidiosis.

  • Follow on diet from Super Chick Starter
  • Fine consistent ground Mash that encourages intake
  • High in Energy and a step down in Quality Protein 
  • High in Vitamin and Minerals 
  • High in Essential Amino Acids to establish core growth and feather development 
  • This product is feed from 3 wks to 6 wks of age.
Chick Grower + CC Mash
(Product code 7)

Contains a coccidiostat as an aid to prevent Coccidiosis

  • Follow up to Chick Starter 
  • Consistently ground Mash that encourages intake in a slightly increased grist profile to develop the gizzard. 
  • High in Energy and Quality Protein 
  • Contains Balanced Vitamins and Minerals 
  • Amino Acids profile aligned for skeletal, muscle and feather development. 
  • This product is feed from 8wks to 16wks of age.

This product follows from Chick Starter when Core growth and feathers are established. With a reduced need for energy the focus is now moved to skeletal and gizzard development by establishing a health feed intake. This product is fed at one of the most important times in a layers life cycle where, nutrition and management techniques align to achieve a target body weight for the desired age of sexual maturity. The start and persistency of lay is all hinged on the pullet’s bodyweight and evenness profile.  

Chick Grower Mash
(Product code 6)

Does not contain coccidiostat, therefore can be fed on transfer to a production site.

  • Follow up to Chick Starter 
  • Consistently ground Mash that encourages intake in a slightly increased grist profile to develop the gizzard. 
  • High in Energy and Quality Protein 
  • Contains Balanced Vitamins and Minerals 
  • Amino Acids profile aligned for skeletal, muscle and feather development. 
  • This product is feed from 8wks to 16wks of age. 

This product follows from Chick Starter when Core growth and feathers are established. With a reduced need for energy the focus is now moved to skeletal and gizzard development by establishing a health feed intake. This product is fed at one of the most important times in a layers life cycle where, nutrition and management techniques align to achieve a target body weight for the desired age of sexual maturity. The start and persistency of lay is all hinged on the pullet’s bodyweight and evenness profile.  

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Corby Rock Mill, Ballybay Road, Monaghan, Co.Monaghan.
+353 (47) 30099
+353 (47) 71452
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