SWEDISH UNIVERSITY OF AGRICULTURAL  SCIENCES (SLU)

 
PhD studies supported by MEKARN
 
Impact of bacteria and yeast with probiotic properties on performance, digestibility, health status and gut environment of growing pigs in Vietnam
 
Giang, Hoang Huong (2010) Impact of bacteria and yeast with probiotic properties on performance, digestibility, health status and gut environment of growing pigs in Vietnam. Doctoral diss. Dept. of Animal Nutrition and Management, SLU. Acta Universitatis agriculturae Sueciae vol. 2010:78.
 
Full text available as:
 
Abstract
 
This thesis aimed to evaluate the effects of six lactic acid bacteria (LAB) strains and Bacillus subtilis H4, Saccharomyces boulardii Sb, and a microbial enzyme mixture, supplemented to basal diets on the performance, diet digestibility, health status, and gut environment of growing pigs under Vietnamese conditions.
 
The results showed that three different 3-strain-LAB complexes, comprising combinations of Enterococcus faecium 6H2, Lactobacillus acidophilus C3, Pediococcus pentosaceus D7, L. plantarum 1K8 and L. plantarum 3K2 improved performance, digestibility, health status and gut environment of the LAB-supplemented piglets in the first two weeks post-weaning (Per I), but not in the following 3 weeks (Per II). Adding an LAB strain (L. fermentum NC1) alone or combined with the Bacillus, or combined with a Bacillus and yeast complex, to a 3-strain-LAB complex showed improvements in the performance, diet digestibility, health status and gut environment of the probiotics-supplemented piglets in both Per I and II. The inclusion of Bacillus resulted in higher nutrient digestibility, and the addition of Saccharomyces showed improvements in the scouring scores of the piglets. Supplementation with either a microbial enzyme mixture alone or a combination of a 3-strain-LAB complex and yeast in a weaner diet improved the performance and diet digestibility in piglets in Per I. In Per II, no changes in performance or digestibility were found in enzymes-fed piglets, while improved performance and diet digestibility were obtained in piglets fed the LAB-yeast diet. There was lack of response of piglets to this enzyme mixture when these enzymes were supplemented to the diet that contained the complex of LAB and yeast in both Per I and II. Dietary supplementation with the combination of Bacillus, Saccharomyces and 4-strain-LAB complex had positive effects on performance and digestibility in grower pigs, but not in finisher pigs, while supplementation with the Bacillus alone or combined with Saccharomyces did not affect the performance and digestibility in grower and finisher pigs. The results of these studies suggest that combinations of suitable strains of Bacillus, Saccharomyces and LAB can be used as an alternative to antibiotic feed additives in pig production under the conditions of Vietnam.
 
Faculty: Faculty of Veterinary Medicine and Animal Science
Keywords:
Lactobacilli, Bacillus, Yeast, Enzymes, Probiotics, Pigs, Digestibility, Performance, Diarrhoea, Gut Bacteria, Gut Environment.
 
Agrovoc terms:
swine, growth, bacteria, digestibility, animal health, viet nam
 
ISBN: 978-91-576-7523-1
Series.: Acta Universitatis agriculturae Sueciae
ISSN: 1652-6880
Volume: 2010:78
Papers/manuscripts:
I. Giang, H. H., Viet, T. Q., Ogle, B. and Lindberg, J. E. (2010). Growth performance, digestibility, gut environment and health status in weaned piglets fed a diet supplemented with potentially probiotic complexes of lactic acid bacteria. Livestock Science 129 (1-3), 95-103.
 
II Giang, H. H., Viet, T. Q., Ogle, B. and Lindberg, J. E. Growth performance, digestibility, gut environment and health status in weaned piglets fed a diet supplemented with a potentially probiotic complex of lactic acid bacteria alone or in combination with Bacillus subtilis and Saccharomyces boulardii (manuscript).
 
III Giang, H. H., Viet, T. Q., Ogle, B. and Lindberg, J. E. (2010). Effects of microbial enzymes and a complex of lactic acid bacteria and Saccharomyces boulardii on growth performance and total tract digestibility in weaned pigs. Livestock Research for Rural Development 22 (10).
 
IV Giang, H. H., Viet, T. Q., Ogle, B. and Lindberg, J. E. (2010). Effects of supplementation of probiotics on the performance, nutrient digestibility and faecal microflora in growing-finishing pigs. Asian-Australasian Journal of Animal Science (in press).
 
Number of pages: 61
Year of publication: 2010
Language: eng
ID Code: 2367
Deposited By: Hoang Huong, Giang
Deposited On: 15 October 2010

MeKarn PhD Graduation

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Khieu Borin Cassava foliage for monogastric animals; forage yield, digestion, influence on gut development and nutritive value
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Vanthong Phengvichith Feeding and forage management systems for smallholder goat productionImproving feed intake of sugarcane and foliage in small ruminants: effect of processing and method of presentation of the feed
Ninh Thi Len Evaluation of high fibre feeds for growing pigs in Vietnam
Nguyen Quang Thieu Evaluation of mycotoxin contamination in Vietnam
Tran Thi Thu Hong Dietary modulation of gut microflora to improve pig health and food safety
Seng Sokerya Effects of cassava foliage on nematode infestation in goats in Cambodia
Huang Huong Giang: Probiotics for Piglets: Effects of probiotics on growth rate, digestibility, health status and features of intestinal microflora of exotic piglets post-weaning under the conditions of Northern Vietnam
Nguyen Thi Thuy Evaluation of Catfish by-product as a protein source for pigs in the Mekong Delta of Vietnam
Chu Manh Thang: Beef production based on cassava products and legume foliage in Vietnam
Nguyen Duy Quynh Tram Evaluation of locally available feed resources for small-scale freshwater fish production in Central Vietnam
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Total records: 29