Abstract
This research was conducted at the farm of the Animal Production Department/ College of Agriculture and Forestry/University of Mosul. A total of 624 unsexed quail birds (1- 49 days) were randomly distributed in cages as follows: The 1st, 2nd, 3rd, and 4th groups were included 44 birds/m2 and they were fed a standard diet supplemented with 0, 0.5, 1 and 1.5% green tea respectively. The 5th, 6th, 7th, and 8th groups were included 52 birds/m2 and they were fed a standard diet supplemented with 0, 0.5, 1 and 1.5% green tea respectively. The 9th, 10th, 11th, and 12th groups were included 60 birds/m2 and they were fed a standard diet supplemented with 0, 0.5, 1 and 1.5% green tea respectively. The results show a significant increase in live body weight, weight gain, improvement in feed conversion, production index and factor and albumen concentration within density 44 bird/m2. The same results were occurred, in addition to the decrease in cholesterol and triglycerides concentration, when adding the 1.5% green tea, while the feed consumption, mortality%, glucose, protein, lipid profile parameters, GOT, and GPT were decreased significantly (p≤0.05) in the same density and in the same level of adding tea that mentioned before. In the interaction between density and adding green tea, green tea traits improved most of the characters within the same density as compared with treatments without adding green tea.
Highlights
In the last several years poultry production had witnessed development in meat and egg production to face the increasing demand in the global market, so the poultry producer turned to intensive quail breeding (Abou El-Ela, 2005)
The use of a selective genetic improvement to raise the rate of body weight has a negative correlation to immunity response in broilers, which led breeders to use medical drugs during the breeding period to reduce the mortality and that has a negative impact reflected on the components of carcass and their effects in the health of human, that make as to seek for medical plants that had same medical effects (Belewn et al, 2009) and as growth promoters (Çabuk et al, 2003) and antibacterial impact (Saeed and Taria, 2006) and enhance the function of liver, pancreas and small intestine, and improve the immunity (Giannenas et al, 2003)
In the same table we can notes that the treatment of 44 bird/m2 had a superior weight gain compared with 60 bird/m2 density, and there were no significant differences between the levels of added green tea, and the interaction 44 bird/m2 with 0.5% added green tea shows the best weight gain and the lowest was for the treatment 44 bird/m2 density with 0.0% added green tea, this was agreed with Feddes et al,(2002) and Hassan (2009)
Summary
In the last several years poultry production had witnessed development in meat and egg production to face the increasing demand in the global market, so the poultry producer turned to intensive quail breeding (Abou El-Ela, 2005). The use of a selective genetic improvement to raise the rate of body weight has a negative correlation to immunity response in broilers, which led breeders to use medical drugs during the breeding period to reduce the mortality and that has a negative impact reflected on the components of carcass and their effects in the health of human, that make as to. Dipti et al, (2003) and Suad (2010) noted that the chemical matters in green tea boosted immunity against bacteria and viruses and improve the intestine environment. This called for research to find some management (nutritive) methods to reduce the effects of stress-induced density by using medicinal plants(Green Tea)
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