Effect of different levels of earthworm meal (Eisenia fetida) on performance and breast and thigh meat quality of broiler chickens

Document Type : Research Paper

Authors

1 Graduated MSc. Student, Department of Animal and Poultry Nutrition, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

2 Associate Professor, Department of Animal and Poultry Nutrition, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

3 Assistant Professor, Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran

4 Professor, Department of Animal Science, Ferdowsi University of Mashhad, Mashhad, Iran

Abstract

Current experiment was conducted to determine the effect of different levels of earthworm meal (Eisenia fetida) on performance, breast and thigh meat quality in broiler chickens. For this purpose a completely randomized design with four levels of earthworm meal as treatments (0, 2%, 4% and 6%) was performed on 96 one day old Ross 308 male chicks. Each treatment consisted of 4 replicates with 6 chickens in each replicate. At the end of the experiment (d 42), two birds from each replicate were slaughtered and In order to study breast and thigh meat quality parameters (meat Tiubarbitoric acid index, water holding capacity, pH and moisture ) one day and one month  after slaughtering transferred to freezer after carcass analysis. Results indicated that, dietary supplementation with( 2%) of earthworm meal compared to control and 6% earthworm meal  significantly increased body weight and feed intake (P<0.05), but it had not significant effect on feed conversion ratio. TBA index in breast meat of chickens fed with 2% of earthworm meal was significantly lower than other treatments (P<0.05). After one month of meat storage TBA index was increased and pH and WHC were decreased. The lowest and the highest TBA values were observed one day after slaughter and one month after slaughter, respectively. The results of the present study suggest that use of (2%) of earthworm meal increased the final body weight, feed intake and improved breast meat quality in broiler chicks.

Keywords

References

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Animal Production Research
Volume 5, Issue 1
June 2016
Pages 63-75

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