伊莎褐商品代蛋鸡生产性能在克拉玛依油田的表现

伊莎褐（Ｂｒｏｗｎ）商品代蛋鸡在克拉玛依油田特殊的自然环境条件下，表现出比较理想的生产性能。在调查的５个养鸡单位中，万只以上雏鸡０～１４０日龄育成效果：１９９０年达到９５％，１９９１年达到９７．９８％，合格率分别达到８０％以上，平均体重接近标准曲线。３万只蛋鸡的实际生产性能表现：７２周龄最高平均产蛋数为２６７枚，产蛋量为１６．４２ｋｇ，产蛋率最高达９０％，年平均产蛋率为７３．１０％，年平均成活率为８９．６５％，蛋料比为１：２．５８。产蛋率、单产、蛋料比等主要生产指标均接近法国伊莎公司生产标准，超过自治区指标。伊莎蛋鸡与油田曾经饲养过的星杂２８８和５７９相比，无论在生产性能方面，还是在经济效益方面均有显著提高。

The Production Performance of Isabrown Truck Layers Showing in Karamay Oil Feild

Isabrown Truck Laaers showed more perfect production performance in special natural conditions of karamay oil fetid. in the five chiken farms,the improved results of each more than ten thousand young chikens aged 0-140 reached 95% in 1990,97.98% in 1991,the rate of their qualification reached 80%,the average weight approaChed the standard curve.The real production performance of 30 thousand layers is:the annual average highest production of chikens aged 72 weeks is 267 eggs, 16. 42 kg,the rate of eggs production is 90%,the annual average rate of eggs production is 73. 10%,the average survival rate is 89. 65%,the ratio of eggs and feed is 1:2. 58. the main production target of the rate of eggs production,per chiken eggs production,ratio of eggs production and feed approached that of Isa Company of france and surpassed that of Xinjiang Uygur Autonomous Region.In both rpoduction performance and economic benefits,Isalayers have much been improved in comparison with starcross-288 and 579 ever bred in karamay oil feild.