journal article
Open Access
Jul 05, 2021
Feeding Malic Acid to Chickens at Slaughter Age Improves Microbial Safety with Regard to Campylobacter
Abstract
This study supplied malic acid-supplemented drinking water to flocks that were naturally Campylobacter-positive and assessed the effect of feeding malic acid to chickens on Campylobacter reduction and poultry production. In Experiment 1, chickens were provided with malic acid-supplemented drinking water for three weeks. The contamination loads of Campylobacter were decreased by 0.91–0.98 log after the first week of use (p < 0.05). However, this effect did not persist over time and significant decontamination could not be found in the second and third weeks of application. Thus, in Experiment 2 malic acid-supplemented drinking water was given to chickens for a period of five days at slaughter age. The Campylobacter carriage was found to be effectively decreased by 1.05–1.55 log (p < 0.05). Malic acid had no adverse effects on chicken body weight, weight gain, intestinal indices, or the microbiota. In addition, it could change the composition of chicken meat since the moisture content was increased by 5.12–5.92% (p < 0.05) and the fat content was decreased by 1.60% (p < 0.05). Our study provides an effective means for reducing the contamination of Campylobacter during the chicken rearing period and this method can be applied to promote the safe development of poultry farming and its products.
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7
Citations
36
References
Details
- Published
- Jul 05, 2021
- Vol/Issue
- 11(7)
- Pages
- 1999
- License
- View
Authors
Funding
National Natural Science Foundation of China
Award: 32000093
National Key Research and Development Program of China
Award: 2018YFD0500500
Natural Science Foundation of the Higher Education Institutions of Jiangsu Province, Chi-na
Award: 20KJB180017
Cite This Article
Fangzhe Ren, Wenbin Yang, Juanjuan Hu, et al. (2021). Feeding Malic Acid to Chickens at Slaughter Age Improves Microbial Safety with Regard to Campylobacter. Animals, 11(7), 1999. https://doi.org/10.3390/ani11071999
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