Growth Promoters as Feed Addictives in Poultry Production

Abolade Opeyemi Joshua

Abstract


The use of feed additives  also in poultry production has been beneficial to poultry industry as they help in yield improvement this has made most farmers to abuse the correct use of it, this has initiate the need for this study, the demand for poultry and poultry products is increasing daily and this has called for need to improve and increase production through the use of feed additives in which we have the growth promoters and this can otherwise be called genetic engineering, in this study different types of growth promoters are examined such as antibiotics, enzymes, hormones, implants and beta antagonists and also there effect on the consumers, some antibiotics such as bacitracin, virginiamycin and avoparcin, control Clostridium perfringens infections, which are potentially fatal, in addition to improving feed conversion efficiency in poultry, Moreover, Rogers et al. (1997) in his investigation to discover the long term effects of monensin therapy concluded that there is no real adaptation of rumen microbes after a period of 96-146 days of monensin treatment and that most effects disappear within a few hours following monensin withdrawal. The use of pristinamicin and quinupristin as growth promoters has been banned according to Butaye et al 2000 because they are also used in human medicine and so there are fears that its continued use may compromise human therapy. Different types of enzymes have been used as growth promoters they work in breaking down food into smaller particles for better absorption. Hormones are produced in the body of the animal but they are also added to feed as growth promoters as it helps the animal to gain weight faster, furthermore, implants and beta antagonists are products containing natural and synthetic hormones and they affect the hormone status of the animal also to promote growth


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