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. 2020 Nov;13(11):2484-2492.
doi: 10.14202/vetworld.2020.2484-2492. Epub 2020 Nov 23.

Effects of Bacillus cereus and coumarin on growth performance, blood biochemical parameters, and meat quality in broilers

Galimzhan Duskaev  1 , Shamil Rakhmatullin  1 , Olga Kvan  1
Affiliations

Effects of Bacillus cereus and coumarin on growth performance, blood biochemical parameters, and meat quality in broilers

Galimzhan Duskaev et al. Vet World. 2020 Nov.

Abstract

Background and aim: Progressive antibiotic resistance has become the primary threat to public health. The search for alternative substances with similar effects is now a global challenge for poultry farming. The aim of this study was to investigate the action of the probiotic Bacillus cereus (BC) and coumarin (CO) on broiler productivity, biochemical indicators of blood, and muscular and liver tissues.

Materials and methods: The trial of this study included Arbor Acres cross broiler chickens that were grown up to the age of 42 days. The experiment was conducted on 200 broiler chickens divided into four experimental groups of 50 individuals each: The control group received ration without additives (main ration [MR]), the first experimental group received MR+BC, the second received MR+CO, and the third received -MR+BC+CO. A biochemical and hematological analyzer was used to estimate elemental concentrations using inductively coupled plasma mass spectrometry and inductively coupled plasma atomic emission spectrometry.

Results: Inclusion of CO and CO+BC in the diet improved growth rates and reduced feed consumption (FC) per kg of live weight gain. Decreased white blood cell count, increased creatinine and triglycerides (CO), changes in aminotransferase and transpeptidase activity, and increases in chemical elements in the liver and pectoral muscles (BC+CO) were observed. The inclusion of BC+CO in the diet contributed to increases in a greater number of chemical elements in the liver (calcium [Ca], K, magnesium, Mn, Si, and Zn) and the pectoral muscles (Ca, Na, Co, Cu, Fe, Mn, Ni, and Zn).

Conclusion: The inclusion of CO and CO+BC in the diet improves growth rates and reduces FC in broilers against a background of the absence of mortality during the experiment.

Keywords: Bacillus cereus; blood; broilers; coumarin; muscles; productivity.

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