Abstract
The present study was planned to evaluate the response of broiler chicks to diets containing graded levels of spearmint (Mentha spicata). A total of 200 , five days-old, unsexes (cob) broiler chicks were used. Chicks were weighed individually and assigned randomly to five groups of 40 chicks per treatment and each treatment was subdivided to four replicates of 10 chicks each. Five experimental diets were formulated (A, B, C, D and E) to meet the nutrient requirements of broiler chicks. The experimental parameters examined were growth performance, serum metabolite, electrolyte and enzyme activities and economic appreciable. Diet (A) Negative Control (NC), a basal diet without antibiotic or spearmint, diet B as Positive Control (PC) basal diet supplemented with antibiotic (Neomycin 16 mg/Kg), diets C,D and E were basal diet supplemented with spearmint at levels of 1,1.5,and 2%, respectively. Result obtained showed that addition of spearmint improved significantly (P<0.05) the performance (body weight gain and feed conversion ratio) of broiler chicks compared to group fed on NC while no significant (P<0.05) differences between chicks fed on diets supplemented with spearmint and PC group observed, no significantly difference was found in feed consumption between all treated groups. The mortality rate did not influenced by the dietary treatments. Results revealed no significant differences (P<0.05) observed among all treatment groups in the carcass dressing percentages, Supplementation of broiler diets with spearmint at various levels was resulted in significant (p>0.05) reduction of abdominal fat, serum cholesterol, and AST enzyme activity compared to both NC and PC groups while the levels of urea, total protein, glucose and ALP and serum electrolytes levels remained unchanged. The highest profitability ratio (1.13) was obtained from the diet (E) supplemented with 2% spearmint. This study showed that spearmint when added as growth promoter in broiler diets has a similar effect on performance as that of antibiotic without any adverse effects.
Highlights
Many people around the world want the ideal body shape which is proportional, muscular and strong
By making 20 m odels in their research, they found the proportion of the perfect body shape, which they named the Doryphores
They illustrated that the human body is the perfect body shape of a man with broad shoulders and a thick and square chest. (McArdle, 1981)
Summary
The study, entitled “The Effe ct o f Wei gh t Train ing wi th R api d and Sl ow Rh ythm Mo vemen t to wa rds Stren g th Enh an cemen t " is an experimental research. The writer gave treatments to the sample of population. The treatment itself could be in the form of weight training. The first group was given the weight training treatment which was done with a rapid rhythm movement. The second sample was given the same treatment, but with slow rhythm movement. It was expected that the researcher could find valid results and draw conclusions
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