EFFECT OF EARLY EXPOSURE TO HEAT AND ADDITION OF GINSENG EXTRACT ON PRODUCTION TRAITS IN BROILER CHICKS.

The present study was initiated at AL-Najaf governorate in Iraq to determine the infection rate with toxoplasmosis serologically in camels resident during the period November 2014 until May 2015. Two hundred and twenty seven camels of which 117 (51.5%) were males and 110 (48.5%) were females, serum samples were taken and all run through a latex agglutination test LAT, to determine the presence of Toxoplasma gondii antibodies and the positive samples to LAT were retested with iELISA to confirm the LAT result. The result showed that out of 227 serum samples 70 (30.8%) were positive to LAT, there was higher infection rate in females (37.2%) than it is in males (24.7%) and the seropositivity percent increased by increasing age of animals. The iELISA test revealed that 16 (22.8%)serum samples were positive for toxoplasmosis, males having a lower percentage of infection 6 (20.6%)in comparison to females10 (24.31%) also showed that the percentage of iELISA positivity increased with increasing age of animals. The current study was conducted on 504(Ros-308) broiler chicks during the period 28/9/2017-9/11/2018 to determine the effect of heat shock in early age and additives such as ginseng in three levels on birds weight and feed consumption. Results showed that the exposure to high temperature (38-400C) lead to significant decrease (p£0.05 (in average body weight at7 day of age and significant decrease in body weight in birds expousured to high temperature in the periods 2, 4 and 6 hours compared with control (Table 1). Significant decrease in live body weight when exposure to 2hr compared with 6hr namely (138.54) and (144.21), respectively while no significant difference between 2 and 4h. Results showed no significant effect in body weight in control group compared with the group that fed on diet contain ginseng extract with or without vitamins and minerals. Interaction between exposure time and ginseng extract on body gain weight all ages, the height body gain was noticed in P₀G₂ at 24days at age (514.78 gm). While, the lowest value was in P₆G₀ (275.78) Accumulative body gain was differed significantly P₂G₂(2514.22 gm) compared with P₆G₀(2054.45 gm). [ABSTRACT FROM AUTHOR]