Effect of adding different levels of peppermint powder (Mentha piperita L.) to diet on some Physiological Parameters of  Broiler Chickens

	Effect of adding different levels of peppermint powder (Mentha piperita L.) to diet on some Physiological Parameters of Broiler Chickens
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 13, Issue 0, 2013, Pages 226-231
Abstract
This study was carried out at the Poultry of Animal Resource , College of Agriculture , Tikrit University from 30/10/2012 to 9/11/2012. The present study was conducted to explore the usage of different levels of peppermint powder (Mentha piperita L.) 1 , 1.5 and 2% and aqueous extract of at concentration of 6 and 8% respectively supplemented to drinking water on the performance and physiological parameters and the microbial in the gastro intestinal of the broiler chickens.Use in the experiment 450 chicks from chicken meat naturalized hybrids (Hubbard) day-old from Samarra's Salahuddin province. The chicks were distributed randomly on six treatments (each treatment 3 replicates) by 25 chicks per duplicate experiment were as follows: - T1: basic diet (initially and final) does not contain mint powder (control treatment). T2, 3 and 4: peppermint powder was added to the diet (0.5, 1, and 1.5 g / kg) , 5 and 6 treatment was added 6 and 8% of the aqueous extract of peppermint adding to drinking water. The results of the study showed that did not show any significant differences in each of the red blood cells, hemoglobin and packed cell vellum between all treatments The added in the diet or drinking water role in raising the qualities immune to the birds as recorded T3, 4 and 6 best increase in the numbers of white blood cells and lower the (H) and percentage (H / L) compared with a control while not record any significant differences in the percentage of lymphocytes (L) between treatments.
Keywords
Peppermint powder; physiology; broiler

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