... significant for the small and medium scale farms, but for the large scale farms the cost of the complete only diet per day was significantly lower than for mixed feed. The effect of brand type on the ... pig and chicken producers used complete feed only: 53% for broiler and 64% for layer; and 43% for sow, 77% for piglet and 45% for porker production. The remainder used both complete and ... stages. For broilers, stage 1 lasts on average for about 29 days, stage 2 is the next 48 days and stage 3 is the last 40 days. For layers, the respective length of the 3 stages is 94 days,...