Aerobic composting of pig excreta as a model for inoculated deep litter system in sty using Indigenous Microorganisms (IMOs)

SEEMA YADAV; P K BHARTI; CHANDRAHAS CHANDRAHAS; G K GAUR; ABHISHEK ABHISHEK; MUKESH SINGH; ARUN SOMAGOND

doi:10.56093/ijans.v90i12.113205

Authors

SEEMA YADAV ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh
P K BHARTI ICAR-Mahatma Gandhi Integrated Farming Research Institute, Motihari, Bihar
CHANDRAHAS CHANDRAHAS ICAR-Central Avian Research Institute, Izatnagar, Uttar Pradesh
G K GAUR ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh
ABHISHEK ABHISHEK ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh
MUKESH SINGH ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh
ARUN SOMAGOND ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh

https://doi.org/10.56093/ijans.v90i12.113205

Keywords:

Aerobic composting, Indigenous microorganisms, Inoculated deep litter, Pig excreta

Abstract

The present experiment was conducted at Swine Production Farm, IVRI, Izatnagar, Bareilly (Uttar Pradesh) during month of December and March for the cultivation of Indigenous Microorganisms (IMOs) and its application in the composting of piggery excreta as a model for inoculated deep litter system of pig sty respectively in India. The IMOs were cultivated in four steps by using half-cooked rice, rice bran, soil and different energy sources, viz. brown sugar, jaggery, molasses in treatments C (Control), T₁ and T₂ groups, respectively. As a model of deep litter sty, aerobic composting of pig faeces, with different IMOs was conducted as treatments CC (brown Sugar), C_T1 (jaggery), C_T2 (molasses) and C₀ (control) without any IMOs. During the experiment morning, evening, peak, mesophilic and thermophilic temperature distribution were recorded. The chemical composition and C: N ratio of pig faeces and compost were analysed at the end of experiment. The final compost temperature in all the treatment groups was in between 55 to 65°C but in control, it was higher than 65°C. The temperature range in treatment groups suggests that IMOs layers might have helped in decomposition process at faster rate which resultantly lowered the temperature. The carbon: nitrogen ratio (C: N) was significantly lower in C_T1 and C_T2 (19:1) than control indicative of good quality compost in treatment groups. It was concluded that IMOs from jaggary and molasses might be used as farmer friendly inocula/ inoculums to compost pig excreta under inoculated deep litter pig production system.

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