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Organic Beef Production – Sire breed comparison Richard Fallon, Brendan Swan & Elaine Leavy Organic Production Research Conference 2nd December 2008.

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Presentation on theme: "Organic Beef Production – Sire breed comparison Richard Fallon, Brendan Swan & Elaine Leavy Organic Production Research Conference 2nd December 2008."— Presentation transcript:

1 Organic Beef Production – Sire breed comparison Richard Fallon, Brendan Swan & Elaine Leavy Organic Production Research Conference 2nd December 2008

2 UK imports 4,000 tonnes of organic beef per year ie 14,000 animals 3 times the amount of beef currently produced. At a premium of 20% (The DAFF Organic Farming Action Plan 2008-2012.) Organic Beef

3 A 44-cow continental-cross spring-calving herd Limousin x and Simmental x cows. Sires Aberdeen Angus and Charolais. AI then natural service bulls Organic Herd

4 EarlyLate 1st heifers --- 2nd steers heifers 3rd ---steers Slaughter the progeny of the herd on three dates

5 AA CH MaleFemaleMale Female Year 1 (2006) 4943 5450 Year 2 (2007) 4439 5249 Year 3 (2008) 4641 5149 Effect of sire breed on calf birth weight (kg) weight (kg)

6 AA CH MaleFemaleMale Female Year 1 (2006)292275326298 Year 2 (2007)264226269264 Year 3 (2008)269242289280 Effect of sire breed on weaning weight (kg)

7 AA CH MaleFemaleMale Female Year 1 (2006)1.171.171.311.12 Year 2 (2007)1.020.911.061.04 Year 3 (2008)1.040.941.141.12 Effect of sire breed on calf performance to weaning (kg)

8 AA CH MaleFemaleMale Female Year 1 (Oct 2007)535512534543 Year 2 (Oct 2008)514453519513 Effect of sire breed on calf performance to yearling (kg)

9 Effect of sire breed and sex on performance of calves born in spring 2006 (year 1)

10 Effect of sire breed and sex on performance of calves born in spring 2007 (year 2)

11 Heifers Steers EarlyLateEarlyLate Slaughter date24 Oct22 Jan22 Jan11 Mar No. of animals1091312 Final wt. (kg)522609615688 Carcass wt. (kg)276343344388 KO %53.055.855.956.4 Conformation score3.13.42.92.7 Fat score3.33.32.93.3 1 Conformation score: E = 5, U = 4, R = 3, O = 2 and P = 1 Effect of different slaughter dates on the performance (kg) of male and female calves born in spring 2006 (year 1)

12 AA CH 2006200720062007 No. of animals5456 Final wt.505478539530 Carcass wt.266252287279 KO%52.852.853.252.8 Conformation score3.23.03.03.2 Fat score3.63.23.02.9 1Conformation score: E = 5, U = 4, R = 3, O = 2 and P = 1 Effect of sire breed on carcass characteristics of early slaughtered heifers for year 1 and year 2

13 Aberdeen Angus and Charolais sire breeds in organic systems comparable to conventional suckler calf to beef systems Conclusion

14 Organic beef response to consumer demand for organic product - protection of the environment and animal welfare. Conclusion

15 “We have not inherited the world from our forefathers …. we have borrowed it from our children” (Kashmiri proverb).


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