Diet Specification for Adult Breeder Hens
Adult breeder hens must be continued on some type of restricted feeding program. After 22 weeks of age, regardless of rearing program, all birds should be fed daily. Because energy intake is the major factor controlling egg production, then it is critical that feed intake be adjusted according to energy density of the diet. Protein and amino acid needs of the breeder hen have not been clearly established. In general, most breeder flocks will be overfed rather than underfed crude protein because it is difficult to justify much more than 23 – 25 g of protein per day. With a feed intake of 150 g daily, this means a protein need of only 15% of the diet. Peak feed is usually given anywhere from 30 to 60% egg production. If flocks are very uniform in weight, it is possible to peak feed at 30 – 40%. However, with poorer uniformity (<80% +- 15%), then peak allowance should not be given until 60% egg production or even later. Such so-called lead feeding programs are also influenced by management skills. Where there is good management with precise and an even feed distribution system, then peak feed can occur earlier than normal.
April 23 2008 09:56 am | Poultry