摘要
将120只14日龄的艾维茵肉仔母鸡随机分成2组,对照组(24～27℃),高温组(30～35℃),研究高温条件对肉鸡生产性能、血液理化指标的影响机理。结果表明:温度为30～35℃,相对湿度为70%～85%环境条件可显著降低肉鸡采食量、日增重和饲料转化率。长期慢性热应激影响了机体内正常物质的代谢过程,使血清总蛋白水平下降,血糖浓度显著升高,血清酶(CK、LDH)活性升高,但ALP却降低,皮质醇升高,甲状腺激素(T3、T4)降低。
A total of 120 two-week-old female broilers were randomly divided into 2 groups,and two groups received a basal diet formulated according to the Feeding Standard of female broiler. The trial was conducted to study the effect of heat stress on production performance and blood biochemical indices. When the range of room temperature range was 30 to 35 ℃ and the range of relative humidity was 70% to 80%,the daily feed intake and feed conversion ratio were significart decreased. The results showed that heat stress could significantly increase the concentration of glucose and corticosteroid. Heat stress decreased the concentration of serum T3 and T4. The effect of heat stress on inorganic ions concentration in serum was very intricate.
出处
《中国家禽》
北大核心
2007年第15期11-13,共3页
China Poultry
基金
广西主要名优畜禽品种无公害生产技术研究与示范桂科攻(0322004-1)
关键词
热应激
肉鸡
生产性能
生化指标
heat stress
broiler
production performance
biochemical indices
