Effect of processing methods on the utilization of shrimp waste by broiler chickens

Abstract

Two hundred and forty unsexedd broiler birds of Anak breeds af one week of age were used to study the utilization of potash treated shrimp waste meal (SWM) in broiler diets fed as mash or pellet form in a 2x2x2 factorial experiment. The birds used were randomly allotted to eight treatment groups with three replications. SWM used was either polash treated or untreated, plate willed or hammer milled. Growth performance, muirient utilization, and carcass characteristics were measured. Potash treatment of SWM led to a significant increase (P<0.05) in final live weight of the birds at starter phase, but such effear was not noticed at finisher phase. Starter broilers fed mash diets had a significantly (P<0.05) higher mean final live weight (579.08), than those seed pellet diet (493.12). but the difference at fisher phase was not significant. The processing methods did nor significantly (P>0.05) improve the performance of the birds or finisher phase, though slight improvement was noticed in bird's fed pelleted diets. The processing methods did not significantly (P>0.05) influence the protein retention, ash and ether extract digestibility at starter phase. Crude fibre digestibility was significantly (P<0.05) improved by plate milling and pelleting of the diets, and the interactions of the processing methods. Dry marier digestibility and crude protein retention of finisher broilers were significantly (P<0.05) improved by the dietary treatments. It was concluded that the treatments employed yielded no commendable performance in broilers. Pelleting of SWM based diets slightly improved iis utilization by finishing broiler chickens.