Effects of dietary inclusion of probiotic and synbiotic on growth performance, organ weights, and intestinal histomorphology of broiler chickens.
By W. Awad, K. Ghareeb, S. Abdel-Raheem, J. Böhm. Poultry Science, 2009
901 citations recorded by the source corpus.
A feeding trial was conducted to investigate the effects of dietary supplementations of synbiotic and probiotic on broiler performance, carcass yield, organs weights, and histomorphological measurements of small intestine. Six hundred 1-d-old broiler chicks were randomly assigned to 1 of 3 dietary treatments for 5 wk. The dietary treatments were 1) control, 2) basal diets supplemented with synbiotic (1 kg of Biomin IMBO/ ton of the starter diets and 0.5 kg/ton of the grower diets), 3) basal diets supplemented with probiotic (1 kg of a homofermentative and a heterofermentative Lacto-bacillus sp./ton of feed). The BW, average daily weight gain, carcass yield percentage, and feed conversion rate were significantly (P < 0.05) increased by the dietary inclusion of the synbiotic compared with the control and probiotic-fed broilers. Moreover, a slight improvement in performance traits was observed in broilers fed the probiotic compared with control birds. The absolute and relative weight of spleen and thymus tended to be greater (P < 0.1) for the probiotic-supplemented group compared with the synbiotic-supplemented group. The relative liver weight was greater (P < 0.05) for probiotic-fed birds compared with synbiotic-fed birds. Additionally, the weight of small intestine was greater for either probiotic- (3.17) or synbiotic-fed birds (3.11) than the controls (2.89). Furthermore, dietary treatments influenced the histomorphological measurements of small intestinal villi. The addition of either probiotic or synbiotic increased (P < 0.05) the villus height:crypt depth ratio and villus height in both duodenum and ileum. The duodenal crypt depth remained unaffected (P > 0.05). However, the ileal crypt depth was decreased by dietary supplementations compared with control. In conclusion, synbiotic or probiotic displayed a greater efficacy as growth promoters for broilers. Furthermore, the dietary supplementations resulted in an increase in the villus height and crypt depth of intestinal mucosa of broilers. The increase in the villus height and villus height:crypt depth ratio was associated with improvement of growth performance for both synbiotic and probiotic. This indicates that the synbiotic and probiotic can be used as a growth promoter in broiler diets and can improve the gut health. These products show promising effects as alternatives for antibiotics as pressure to eliminate growth-promotant antibiotic use increases.
Subfields: Animal Science and Zoology, Plant Science
View Paper: https://www.semanticscholar.org/paper/6b406ccd0074f537db51430542ca157d8c5c0ec5
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Citations in the corpus
- Effects of β-glucan and Bacillus subtilis on growth performance, blood profiles, relative organ weight and meat quality in broilers fed maize–soybean meal based diets (2012, background): “Awad et al. (2009) reported that the relative weight of spleen was increased by the supplementation of Lactobacillus sp.”
- Probiotics and prebiotics in animal feeding for safe food production. (2010, background): “Awad et al. (2009) investigated the effect of a dietary treatment with a synbiotic product (a combination of E. faecium, a prebiotic derived from chicory, and immune modulating substances derived from sea algae) on broiler chickens.”
- Alternatives to antibiotics for maximizing growth performance and feed efficiency in poultry: a review (2017, background): “improve body weight, average daily gain, feed efficiency, and carcass yield percentage compared with controls or probiotic-fed broilers (Awad et al., 2009).”
- Synbiotic as Feed Additives Relating to Animal Health and Performance (2016, background): “The importance of the natural gut microflora for decreasing diseases in animals has long been recognized and it is now apparent that the composition of the microflora plays a crucial role both in digestion and in resistance to diseases [90] [91].”
- Effects of non-antibiotic feed additives on performance, immunity and intestinal morphology of broilers fed different levels of protein (2012, background): “It has also been reported that presence of toxins resulted in some alteration in intestinal morphology (shorter villi and deeper crypts) (Awad et al., 2009).”
- THE ROLE OF PROBIOTICS IN THE POULTRY INDUSTRY (2009, result): “This result is in agreement with many investigators [7-9,11-25] who demonstrated increased live weight gain in probiotic fed birds.”