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J. Trop. Resour. Sustain. Sci. 6 (2018) 88-92

Nutrient composition of Blaptica dubia (Order: Blattodea) as an alternative protein source

Lam Pei Yee1, Nurul Syaza Bt. Abdul Latif1, Kumara Thevan1*, Paspuleti Visweswara Rao2, Wan Zahari Wan Muhamed3

1Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Locked Bag No.100, 17600 JeliJeli, Kelantan, Malaysia
2Institute of Food Security & Sustainable Agriculture, Universiti Malaysia Kelantan, 17600 Jeli, Kelantan, Malaysia
3Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Locked Bag No.36, 16100 Pengkalan Chepa, Kota Bharu, Kelantan, Malaysia

*Email Address : [email protected]

Abstract : Blaptica dubia is a cockroach that used as feed for most reptiles and amphibians because of it nutritive value. Its alternative protein sources can replace the current high priced imported animal feed such as fishmeal, soybeans and meat. It has potential as an animal feed and minimize high livestock farming cost of the farmers. A study was conducted to determine the nutritional composition (moisture, ash, crude protein, chitin and fat) of B. dubia in different growth stages. Moisture and ash determine using AOAC protocol, protein using Kjeldahl method, chitin using chemical treatment and fat analysis using soxhlet extraction method. The proximate analysis of adults and nymph of B. dubia contained 59.06-62.70% moisture, 2.47-4.17% ash, 47.50-54.32% crude protein, 3.83-5.58 % chitin and 35.49-44.22% fat on dry weight. Thus, the tested feed pellets could be an alternative protein source as the animal feed especially in pet industry.

Keywords : blaptica dubia,animal feed,protein,livestoc