Influence of Lysine Producing Probiotics (LPP) vis-a-vis type of protein source on performance of broilers
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Date
2005-12-30
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KARNATAKA VETERINARY, ANIMAL AND FISHERIES SCIENCES UNIVERSITY, BIDAR
Abstract
Over the last few decades, broiler production in tropical and
subtropical countries has been rapidly increasing due to ever
increasing demand for poultry products. From 1995 to 1999, chicken
meat production in Africa, Asia and South America grew by 13.85,
17.73 and 23.65%, respectively (Watt, 2001). Despite many challenges
faced by broiler industries in these developing nations, including
economic crisis, currency devaluation and reliance on imported raw
materials, it is predicted that broiler production in these areas will
continue to sustain strong growth in the future as well. As a result,
the feeding and health management of birds assume significance.
Soon after the introduction of antimicrobials into human
chemotherapy in the 1940s, they were also introduced into veterinary
practice (Moore et al., 1946). Consequently, Chickens became more
susceptible to colonization by bacterial pathogens. When livestock and
poultry are fed low doses of antibiotics routinely, bacteria may develop
resistance to the drugs (Collignon, 1999). Certain scientific findings
(Manning et al., 1994) suggested that antibacterials used for animal
feeding become risky for humans (Sahin, 2002) and animal health
(Thorns, 2000) and the conclusions of scientific committee of the
European Council have thus led to a ban on feeding antibiotics (Witte,
2000). Nevertheless, increased public concern over the development
and spread of antibiotic resistance in bacteria and the possible
presence of antibiotic residuals in poultry products has led to search
for safe alternatives to antibiotics in chicken diets (Gong et al., 2002).
Currently, many parts of the world are experimenting alternative feed
additives that may be used to alleviate the problems associated with
the withdrawal of antibiotics from feed.
The supplemental dietary microbial products function in the
digestive system 1) to provide nutrients, 2) to aid in digesting foods
and 3) to inhibit harmful bacteria (Owings et al., 1990). In this
direction certain probiotics have been discovered to facilitate or
Description
NUTRITION
Keywords
ANIMAL NUTRITION