The present investigation was carried out to study the effect of feeding different levels of energy and protein supplementation along with groundnut haulms (Arachis hypogaea L.) on nutrient utilization in dromedary camels. Three concentrates mixtures were formulated, viz. high protein and low energy (T1); high energy and low protein (T2); and medium protein and energy (T3). The digestibility coefficients for dry matter and organic matter were higher in T3 as compared to T2 and T1 but there was nonsignificant difference between T1 and T2 on one hand, and between T1 and T2 on the other hand. There was nonsignificant difference between the groups for NDF, ADF and hemicellulose digestibility. The digestible crude protein (DCP) content was significantly higher in T1 followed by T3 and T2 but there was reverse trend for total digestible nutrient (TDN) content. The nitrogen balance was significantly lower in group fed on high energy and low protein content through the concentrate mixture. The results of the study concluded that the nutrient utilization was higher in T3 treatment as compared to either high protein or high energy supplementation.
Globalization has adversely affected development of rural areas in developing countries. Rural areas are unable to absorb new technologies due to low literacy rates. Local Products, mostly from agricultural produces, are increasingly replaced by cheaper products from organized mechanized farming from one or the other corner of the globe. In this paper, family type cabinet solar dryer designs are presented in commensuration with the contemporary requirement of rural Bihar. Design objective includes simplification of technology and process, easy maintenance and low price to dry exotic produces which has significant export potential. Field trials are conducted, social surveys are undertaken and nutritional values of the products are determined in actual condition. Results indicate that simpler technology with state-of-art control of temperature by a combination of high heat capacity material and phase change material is most suitable to dry vegetables and spices, commonly called "Cash Crops". Their nutritional values remain within 80% limits even after six months. The technology is appropriate as it uses local materials; sustainable as it is cost-effective and employment generating ability and; robust as it uses very simple way for controlled drying.
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