สมรรถภาพการผลิตของไก่ไข่ที่เลี้ยงด้วยอาหารราคาถูกโดยมีองค์ประกอบของกรดอะมิโนแตกต่างกัน
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Abstract
A total of 192 laying Hisex hens, 22 weeks of age, were divided into 6 groups in 8 replicate groups of four birds each. The bird were housed in individual wire cages and given feed and water ad libitum. Eight replicates of four birds each were randomly assigned to one of six test diets containing different amino acid levels as follows: Control diet according to Suwan; 75, 100 and 125% of the NRC recommendation (1984) and 75 and 100% of Scott recommendation (1982). The experiment was divided into six periods of four week each. The results indicated that the diet in which the level of amino acid is 100% of NRC recommendation gave the best results because it gave the least cost of feed per dozen eggs, high egg production and satisfactory egg weight, feed consumption and feed consumption per dozen egg. Between the laying hens which received the rations with 75 and 100% of Scott's recommendation there was no significant difference in egg production, egg weight and feed consumption per dozen of eggs. The diet containging 75% of recommendation had lower cost of feed per dozen egg production than that with 100% of the recommendation.
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References
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