إضافة كلوريد البوتاسيوم و تأثيره في السلوك التغذوي لفروج اللحم المعرض لدرجات حرارة دورية

Abstract EN

This study was conducted at the Poultry farm of Animal Resources Department College of Agricultural and Forestry in the University of Mosul , The aim of this study is to improve the resistance of chicks to heat stress by means of adding KCl to the drink water to the chicks exposed to periodical heat stress, 360 unsexed broiler Faw Bro chicks were used, The chicks have been managed at the age of 1-21 days at normal environment ,at 22days old the birds were distributed to four treatments (3 Replicate for each) , The birds exposed to rotatory heat stress (25 -36 -25)C until 8 weeks of age ,The experiment treatments were T1Normal water (Control), T2 ,T3 ,T4 Adding (0,1 ,0,3 , 0,5 ) % KCl to drinking water respectively , KCl addition s results in a significant decrease in feed consumption birds consume less feed during the cold period and increasing feed consumption as the temperature decrease and feed consumption decrease as the KCL concentration increase , A significant increase in water consumption birds consume more water at the hot peripd of the day, In general birds can change its nutritional behavior and consume more water and less feed at the hot period of the day ,