Microbial transformation of crop residues into a nutritionally enriched substrate and its potential application in livestock feed

被引:9
作者
Patil, Ravindra H. [1 ]
Patil, Mohini P. [1 ]
Maheshwari, Vijay L. [2 ]
机构
[1] RC Patel Arts Commerce & Sci Coll, Dept Microbiol & Biotechnol, Shirpur 425405, India
[2] North Maharashtra Univ, Sch Life Sci, Dept Biochem, Jalgaon 425001, Maharashtra, India
来源
SN APPLIED SCIENCES | 2020年 / 2卷 / 06期
关键词
Bioconversion; Agro-residues; Endophytic fungi; Crude protein; Poultry diet; NUTRITIVE-VALUE; DIGESTIBILITY; NUTRIENT; MEAL;
D O I
10.1007/s42452-020-2949-z
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Bioconversion of three different agro-residues (groundnut shells, pigeon pea husk and wheat straw) was studied using endophytic fungi with a view to increasing the nutritive value and to evaluate its feasibility as poultry feed. An endophytic fungal isolate obtained from Celastrus paniculatus, effectively biotransformed selected agro-residues in solid state fermentation. After 21 days incubation, isolate CPL-1 significantly altered the nutritional values of all tested agro-residues. Cellulose, hemicellulose, and lignin content were significantly reduced (P < 0.05) whereas, total carbohydrates were significantly increased in the biotransformed waste as compared to untreated residues. Of the three agro-residues studied, the groundnut shells were found to have maximum carbohydrate content (13.92 +/- 0.7 g/100 g) after the treatment. Similarly, the total crude protein and total nitrogen contents of the treated waste were also significantly improved (P < 0.05) as a function of treatment with the isolate CPL-1 with their highest contents (24.95 +/- 1.4 and 15.53 +/- 1.2 g/100 g, respectively) recorded in the treated groundnut shells. The isolate CPL-1 was identified as Colletotrichum spp. based on the morphology. The tannins and phytate contents were found to be significantly lower (P < 0.05) in the processed wastes. Application of treated agro-residues in poultry diets revealed that the biotransformed groundnut shells and pigeon pea waste can be added up to 20 and 10%, respectively to the commercial poultry diet used in the study without any adverse effects. The results showed that the treated residues of groundnut shells can be used as a partial substitute to the conventional poultry diets as they are rich in enzyme phytase and other nutrients and have good digestibility.
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页数:9
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