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Poultry Litter Ash Can Replace Dicalcium Phosphate in Broiler Diets

02 May 2014

Poultry litter ash - produced by the burning of poultry litter - can be used as a phosphorus source in broiler diets, according to new research from Auburn University.

An experiment at Auburn University in the US was designed to evaluate the nutritional value of poultry litter ash under commercial-type conditions.

Blake and Hess report in the current issue of Journal of Applied Poultry Research from diets were formulated to meet the nutrient requirements of the broiler using poultry litter ash at combinations of 0, 25, 50, 75 or 100 per cent in starter, grower, and finisher diets as a replacement for dicalcium phosphate.

No significant effects were observed on bodyweight, feed consumption, feed conversion ratio or mortality when broilers were fed pouktry litter ash to 100 per cent replacement for dicalcium phosphate to 41 days of age.

Processing performance, as measured by carcass and meat yield, of broilers at 42 days of age was also unaffected (P>0.05).

The complete substitution of dicalcium phosphate with poultry litter ash failed to compromise growth and processing performance in market age broilers.

Blake and Hess concluded that poultry litter ash produced by the combustion of poultry litter can be used as a phosphorus source in poultry diets.

Reference

Blake J.P. and J.B. Hess. 2014. Poultry litter ash as a replacement for dicalcium phosphate in broiler diets. J. Appl. Poult. Res. 23(1):101-107. doi: 10.3382/japr.2013-00838

Further Reading

You can view the full report (fee payable) by clicking here.
Read a related article on this topic by clicking here.

May 2014



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