Abstract
This study was designed to compare four different medicinal plants, cinnamon (Cinnamomum verum), cumin (Cuminum cyminum), fenugreek (Trigonella foenum-graecum) and ginger (Zingiber officinale), as natural feed additives with the Doxystin: “Doxycycline HCl 50 mg and Colistin sulfate” (known antimicrobial growth promoter) on plasma biochemical values of broiler chicks includes total protein, albumin, globulin, albumin/ globulin (A/G) ratio and the Alkaline phosphatase activity. Two hundred and forty, (one day-old) broiler chicks were randomly assigned to six groups of similar mean weight each included four replicates of ten chicks. The control group received broilers basal diet. For the treated groups, the basal diet was supplemented with one of the following: the antimicrobial (Doxystin) as 0.5% or one of the spices C. verum, C. cyminum, T. foenum-graecum and Z. officinale as 2%. The results showed significant (P<0.05) increase in the serum total protein and the globulins concentrations in T.foenum-graecum group compared to the control group and other spice treated groups, also the globulins levels were significantly (P<0.05) higher in Doxystin and C. cyminum groups compared to the control group. The serum albumin/globulin ratio was significantly (P<0.05) decreased in all experimental groups compared to the control group. Treatment with different spices in the present work increased the total proteins and the serum globulins fraction of the blood proteins, albumin remains unchanged and this effect lowered A/G ratio. These findings suggest improved rate of growth and immunity in the broiler chicks. The results also showed no significant difference between the experimental groups and the control group for the serum alkaline phosphatase (ALP) activity. This suggested that no significant liver problem will arise from the use of the spices as treatments
Highlights
The synthetic drugs in animal feeds can be substituted by the nontraditional feed additives in animal’s feeds to avoid its hurtful effect
The results showed significant (P
No significant increase observed in the serum total protein concentration of the other experimental groups compared to the control group
Summary
The synthetic drugs in animal feeds can be substituted by the nontraditional feed additives in animal’s feeds to avoid its hurtful effect. Researches for alternative feed supplements which have a positive effect on the human health have been increased such as the extensive and considerable attention to the aromatic plants as growth promotants. Kapelański et al [3] found that, the biochemical parameters of blood related to protein metabolism, such as total protein was higher in pigs group which were characterized by a very high rate of growth compared to slower growing group. This gives an indication to the relation between body weight gain and blood total protein. If total protein is abnormal, further tests must be performed to identify which protein fraction is abnormal, so that a specific diagnosis can be made [2]
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