|Researchers in Malaysia have identified three new strains of bacteria that show good potential as probiotics for poultry production.|
Selangor, Malaysia, June 27, 2014 - (ACN Newswire) - In a study published in the Pertanika Journal of Tropical Agricultural Science, the research team reported that all three strains - which belong to the species Lactobacillus salivarius - would probably be able to survive and colonize the gastrointestinal (GI) tract of chickens: they exhibited good tolerance to acid, bile and pancreatic enzymes as well as a strong ability to adhere to the intestinal wall.
For more than 50 years, antibiotics have been routinely used to prevent or control poultry diseases and to promote growth and feed efficiency. But due to the emergence of antibiotic-resistant bacteria, Europe has banned the use of antibiotics as growth promoters for poultry production while some countries, such as the United States, are considering a ban. As a result, there is growing interest in developing alternatives, such as probiotics - defined as live microbial feed supplements that beneficially affect a host animal by improving its intestinal balance.
However, many potential probiotic products have been marketed without proper studies, giving rise to problems of inconsistent efficacy. In 2001, the Food and Agriculture Organization and World Health Organization issued guidelines for evaluating probiotics in food which recommended that every potential probiotic strain must be correctly identified and tested for safety and efficacy.
With a long history of use as probiotics in the food industry, Lactobacillus bacteria are "generally recognized as safe". They are commonly found in the environment as well as the normal microflora of the GI tract of animals. In this study, Y. W. Ho and colleagues at the Universiti Putra Malaysia and the Universiti Teknologi MARA isolated, identified and assessed Lactobacillus strains from chicken intestines, with a view to selecting potential probiotics. Out of 42 isolated strains, three Lactobacillus salivarius strains demonstrated a high tolerance of stress conditions in the GI tract and a good capacity to adhere to intestinal epithelial cells. The authors recommend that further studies be undertaken to evaluate the efficacy of these strains in host animals.
For more information about each research, please contact:
Y. W. Ho
Institute of Bioscience,
Universiti Putra Malaysia
43400, Serdang, Selangor, Malaysia
Tel: +603 8947 2161
About Pertanika Journal of Tropical Agricultural Science (JTAS)
Pertanika Journal of Tropical Agricultural Science (JTAS) is published by Universiti Putra Malaysia in English and is open to authors around the world regardless of nationality. Beginning 2012, it would be published four times a year in February, May, August and November. Other Pertanika series include Pertanika Journal of Science & Technology (JST), and Pertanika Journal of Social Sciences & Humanities (JSSH).
JTAS aims to provide a forum for high quality research related to tropical agricultural research. Areas relevant to the scope of the journal include: agricultural biotechnology, biochemistry, biology, ecology, fisheries, forestry, food sciences, entomology, genetics, microbiology, pathology and management, physiology, plant and animal sciences, production of plants and animals of economic importance, and veterinary medicine. The journal publishes original academic articles dealing with research on issues of worldwide relevance.
The paper is available from this link: http://bit.ly/1pUKMK3
For more information about the journal, contact:
The Chief Executive Editor (UPM Journals)
Head, Journal Division, UPM Press
Office of the Deputy Vice Chancellor (R&I)
IDEA Tower 2, UPM-MDTC Technology Centre
Universiti Putra Malaysia
43400 Serdang, Selangor
Phone: +603 8947 1622 | +6016 217 4050
Press release distributed by ResearchSEA for Pertanika Journal.
June 27, 2014 12:50 HKT/SGT
Topic: Research and development
Sectors: Science & Research, Food/Beverage, BioTech
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