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Few months ago I was talking with my friend Dr. Md. Rezaul Karim Rubel, an MBBS from Sylhet Osmani Medical College, Bangladesh.
He said me; “Today adulteration is a great problem in our country. More than a half of our food and vegetables we eat are adulterated. He showed me some data. That indicates, according to Public Health Institute (2011) about 54% of food are adulterated. The public health lab collected 5322 food sample from all over the country and after testing they get 2588 sample are adulterated. According to their data the percent varies from 48-54% from 1995 to till now.”
No doubt, it is really shocking news for us. I asked him, “If the condition is as such than in our country disease should come out as an epidemic form”. “The day is not too far if we shall not be aware today” he replied. He also added “I think, may be there are two factors that help people from disease, and I don’t know how long they can protect us.”
when I asked him about the two factors. He said, "it’s my personal thinking, first one he mentioned is the people of Bangladesh love to cook their food for a long time it may kill the germ and the next one they use a lot of spice which have a huge medicinal values. The spices have anti-microbial, antitoxic effects. But it is not a solution. Govt. and each and every people should come forward to fight with this curse."
His sayings drag my thinking to the herbal and medicinal plant. Bangladesh is a land of herbal and medicinal plant. We can think about this and hope this can be used as the alternative to harmful additives.
Recently luckily I had an opportunity to talk with Mr. Ashish Kumar Paul a student of Govt. Unani & Ayurvedic Medical College, Dhaka Bangladesh. He also shows me the properties in several medicinal plants and said, "it’s the time to think about eco-friendly food and feed additives."
For all this reason I love to work with medicinal plant and spice as alternative feed additive in poultry. Off course medicinal plant cannot fully compete with synthetic chemicals but if you think about health safety than you will also love to use this safer one and don’t be hesitated to pay more for the safe products.
Project |01
Effect of Garlic and Green Tea as alternative feed additives in poultry
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Day by day the poultry sector of Bangladesh has transformed from backyard rearing to become commercial organized, scientific and vibrant industry. With the commercialization, the use of several chemicals, antibiotics, growth promoters in poultry production is also increased. Again as purchasing power of common people is increasing persistently, they are becoming more aware of safety and quality food products without bothering to pay more. So, the production of safer poultry products without any harmful chemicals and antibiotics is the order of the day.
Garlic (Allium sativum) has been prescribed as a folk medicine for thousands of years, from the time of the ancient Greeks to the early Egyptians (Horton et al., 1991). In the last decade, garlic has been widely reported to incorporate into poultry diets to determine any effects on poultry performance. Garlic has bioactive components like sulfur containing compounds (Alliin, Diallylsulfides and Allicin) that act as antibacterial, antifungal, anti parasite, antiviral, antioxidant, antithrombotic, ant cancerous and vasodilator characteristics. Garlic has been found to lower serum and liver cholesterol (Qureshi, A.A et al, 1983), inhibit bacterial growth (Cavallito, C.J., 1994), inhibit platelet growth and reduce oxidative stress. In broilers, it was reported that garlic, as a natural feed additive, improved broiler growth and feed conversion ratio (FCR), and decreased mortality rate (Tollba, A.A.H., 2003).
In the scientific literature, the hypolipidic and hypocholestromic effects of garlic are well documented.
Green tea is a very popular beverage in all over the world. It has some bioactive properties (epigallocatechin gallate, epicatechin gallate, epigallocatechin, epictechin etc.)
It is mainly work as an antioxidant. Again it act as anti-cancer, antimicrobial, antioxidative , immunomodulatory, hepatoprotective properties.
Project |02
Comparison of Green Tea and Probiotics as an Alternatives to Antibiotic Growth Promoter in Broiler Diet
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This study was conducted to compare the effect of probiotics and green teaas an alternative to antibiotic in broiler diet. Experiment was done for a period of 35 days with a number of 240 day old straight run broiler chicks. Birds were divided into four dietary treatment groups with 4 replications each having 15 birds per replication. The dietary treatment groups were; control (basal diet; no additives), antibiotic (basal diet + antibiotic), probiotics (basal diet + protexin) and green tea (basal diet + 0.25% green tea powder). Results indicated that body weight and body weight gain were increased significantly (p<0.5) in the antibiotic, probiotics and green tea group compared to the control group. Lower (p<0.5) feed intake and better (p<0.5) FCR were also observed in the additives group than control group. Supplementation of antibiotic and green tea increased (p<0.5) crude protein content while probiotics and green tea decreased (p<0.5) fat content in broiler meat compared to the control group. Significantly increased (p<0.5) leg weight was observed in probiotics group, gizzard weight and thigh length were in antibiotic group, and wing and ceca weight were in green tea group. Meat yield was not altered in the treatment groups. Supplemented groups decreased cecal total microbial number compared to the control group. The results indicate that addition of probiotics and green tea improves growth parameters, changes some internal organs and reduce microbial population like antibiotic and can be use as potential feed additives.