Effect of Inclusion Rate of Effective Microbes (Em) On Growth Rate of Lambs Fed Low Protein Diet
Journal Title: Biomedical Journal of Scientific & Technical Research (BJSTR) - Year 2017, Vol 1, Issue 6
Abstract
Background: A great majority of animal feed is roughage based (poor in quality) in crop-livestock mixed farming system of southern Ethiopia. EM is considered as one of the options that may improve poor quality feeds dominant in the area. A study was conducted to determine inclusion rate of effective microbes (EM mixed with wheat bran, EM-bokashi) on growth rate of lambs fed low protein diets at Dubo Mante research sub-station. Materials and Methods: Twenty four (24) post pubertal male sheep of similar age (about 12 months age) with an average weight of 14.1±1.74 kg were purchased from local market. The lambs were assigned randomly to one of the four treatments (T1=0% EM, T2=1% EM, T3=3% EM, T4=5% EM). Water and Rhodes (Chlorias gayana) hay were offered ad libtum. Result: EM-bokashi supplemented at 5% resulted in significantly (P < 0.05) higher intake and growth rate in terms of weight gain than those supplemented with 3% EM-bokashi. Likewise, lambs supplemented with 3% EM-bokashi showed significantly (P < 0.05) higher growth rate than those supplemented with 1% while the difference between 1% and the control (0%) is not significant. Similarly, lesser disease occurrence was observed in lambs supplemented with EM-bokashi than untreated animals. Supplementing 5% EM-bokashi added 51.2% and 43.6% additional economic incentives over the control and 1% EM level, respectively. Generally, both weight gain and profitability increased as level of EM supplementation advanced. Conclusion: Additional weight in terms of daily weight gain and profitability considered in this experiment are crucial in the livelihood of small-scale farmers. Hence, 5% EM-bokashi could be recommended as biologically and economically profitable inclusion level for lambs fed on low protein diet under smallholder farmer’s management conditions. Small ruminants are integral components of crop-livestock mixed and serve as investment and insurance due to high fertility, short generation interval and their ability to produce in limited feed resource and their adaptation in harsh environment Tsedeke [1], Deribe et al. [2] Smallholder farmers raise sheep and goats as a major source of meat and immediate cash income in different parts of the country. Despite large number and importance of sheep in the areas, productivity is low due to a number of factors among others feed shortage both in quality and quantity, and health constraints Tibbo et al. [3-5]. The limitation in production due to shortage of feeds and poor nutrition is usually profound in areas where high seasonal dynamics in feed sources, fragile ecologies and environments exposed degradation. Moreover, a great majority of feeds in crop-livestock mixed farming systems is roughage feeds with low feed values. Improving feeds and nutrition through technologies that improves rumen fermentation of roughage feeds, improves protein supply to micro organisms and reduce methane emission is important to boost the overall productivity, health, and well-being of sheep flocks Woju [6]. In this regard, use of effective microbes (EM-bokashi) for better management of crop residues is thus imperative Safalaoh and Smith [7]. EM is a mixture of groups of organisms that has a reviving effect on the natural environment Daly and Stewart [8] and consists of around 80 species of selected beneficial microorganisms including lactic acid bacteria, yeasts, photosynthetic bacteria, and actinomycetes, among other types of microorganisms such as fungi Xu [9]. The technology of Effective Microorganisms commonly termed (EM Technology) was developed in the 1980’s at the University of the Ryukyus, Okinawa, Japan. The inception of the technology was based on blending a multitude of microbes, and was subsequently refined to include three principal types of organisms commonly found in all ecosystems, namely Lactic Acid bacteria, Yeast Actinomyces and Photosynthetic bacteria Higa [10]. The use of EM in animal husbandry is clearly identified in many parts of the world. A study in Asia where EM was first introduced and is used extensively reported the successful use of EM in poultry and swine units Konoplya and Higa [11] and is added to feed and sprayed for sanitation in these units. Research in South Africa also highlight the potential of using EM for treating pig manure Hankoen et al. [12], which promotes growth of the animals.
Authors and Affiliations
Deribe Gemiyo, Shimelis Mengistu, Fitsum Tessema, Melese Yilma, Shewangizaw Wolde, Tewodros Getachew
Keywords
Related Articles
- EP ID EP578767
- DOI 10.26717/BJSTR.2017.01.000517
- Views 159
- Downloads 0
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