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  • Title: Growth performance and meat quality of broiler chickens supplemented with Rhodopseudomonas palustris in drinking water.
    Author: Xu QQ, Yan H, Liu XL, Lv L, Yin CH, Wang P.
    Journal: Br Poult Sci; 2014; 55(3):360-6. PubMed ID: 24628388.
    Abstract:
    1. The effect of the bacterium, Rhodopseudomonas palustris, on the growth performance and meat quality of broiler chickens was investigated. 2. A total of 900-d-old Arbor Acres broilers were allocated to three experimental treatments for 6 weeks. Chicks were administered with R. palustris in drinking water as follows: (i) control group without R. palustris; (ii) treatment 1 (R1) with R. palustris of 8 × 10(9) cells per chick per day in drinking water; (iii) treatment 2 (R2) with R. palustris of 1.6 × 10(10) cells per chick per day in drinking water. 3. The results showed that, compared with that of control, both groups of R. palustris treatment increased daily weight gain and improved feed conversion ratio of broiler chickens significantly during the whole growing period of 6 weeks. 4. Both total and glutamic acid contents of chicken breast fillet in R. palustris treatment R2 were higher, while the fat content was lower, than those of the control group. Furthermore, R. palustris treatments also improved sensory attributes of chicken breast fillet. 5. As a probiotic providing rich nutrients and biological active substances, R. palustris administration in drinking water displayed a growth promoting effect and improved meat quality of broiler chickens.
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