Table 1 Calculated compositon of experimental diet

Chemical composition	Commercial duck feed1*	Commercial duck feed2*	Produced duck feed*
Crude Protein (%)	21	17	22.17
Ether Extract	2.5	2.5	-
Crude Fat (%)	-	-	17.24
Crude Fiber (%)	6	6	9.18
Crude ash (%)	8	8	6.11
Calcium (%)	0.75	0.75	-
Phosphorus (%)	0.4	0.3	-
AMEn (kcal/kg)	2,900	3,100	4,900

Commercial duck feed 1^*; for 0–3 weeks of age, Commercial duck feed 2^*; 3–7 weeks of age, Produced duck feed^*; frozen ill cacass 60%, sorghum 30% and rice bran 10%.