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Articles by Motasem Al-Masad
Total Records ( 4 ) for Motasem Al-Masad
  Motasem Al-Masad
  To evaluate the effect of vitamin C and zinc on performance and immune-competence during heat stress. Four hundred and eighty, 1 day old Arbor Acres broiler males and females were used and raised in either a thermoneutral (control) or heat stressed (40°C) environment where different levels of vitamin C and zinc were supplemented. Humoral immunity was assessed by intravenous injection of Sheep Red Blood Cells (SRBC) followed by evaluation of serum for antibody titers in primary and secondary responses. Heat stressed birds that supplemented with vitamin C and Zinc showed greater (p = 0.5) body weight, higher daily gain, better feed conversion ratio and less mortality than the non-supplemented control group. Total, IgM and IgG antibody titers for primary and secondary responses were significantly increased in birds receiving vitamin C and zinc with variable levels according to the concentration of vitamin C and zinc. These results indicated that the immune response of broilers can be influenced under heat stress conditions by combination of different levels of vitamin C and Zinc in the diet. The recommended levels of vitamin C and Zinc depend on environmental conditions and other factors which still need further manipulation.
  Motasem Al-Masad , Ali Al-Sharafat and Bassam Al-Deseit
  This study has been conducted to discuss the present marketing margins of broiler production in Jordan. The associated problems during broiler marketing and potential solutions, as well as marketing channels, were also discussed. Results of the study show that marketing system of poultry in Jordan is traditional in nature. The total marketing margin of middlemen was 0.04 JDs. Out of this, total marketing cost was 0.01 JDs per 1 kg and the net margin was 0.03 JDs per 1 kg. On an average, marketing cost of the retailer was 0.09 JDs, whereas the marketing margin was 0.07 JDs. The share of intermediaries (Middlemen + retailers) was about 51%, which is almost equal to that for the producer. The study revealed that middlemen were exploiting poultry producers by exhorting a large portion of consumer’s rupee. Therefore, producers were not getting remuneration according to the value of their products. Minimizing role of middlemen, providing marketing information to producers, strengthening marketing infrastructure. Government intervention is a suggested approach. A number of government broiler outlets to the consumers could be part of the solution. Government should also take initiatives to develop laws which can allow producers to sell their products directly in market. Finding means of direct linkages between producers and consumers will provide chance to producers to understand consumer’s behavior. This will end better circumstances in broiler marketing process. Encouraging investment to develop infrastructure is so important to develop broiler industry in Jordan. The provision of credit to the bird growers will allow them to reach directly to the retailers and could kick the commission agents out of the process.
  Haytham M. Daradka , Jafar Ahmad , A.K. Alomari , Nasser Moh`d Yousef Alshibly and Motasem Al-Masad
  In this study, an analytical expression for the solution of the ratio-dependent predator-prey system with constant effort harvesting by an adaptation of the Homotopy Perturbation Method (HPM) is presented. The HPM is treated as an algorithm for approximating the solution of the problem in a sequence of time intervals, i.e., HPM is converted into a Hybrid Numeric-Analytic Method. Residual error for the solution is presented.
  Motasem AL-Masad
  The main objective of this study was to look at the profitability of broiler sector in Jordan. The study has been conducted to investigate the main factors affects profits of broiler producers in the country. A profit function regression model was used as a decision support tool in commercial broiler production. The model was utilized to demonstrate the effect of several investigated factors affecting the industry. The effect of sale price of broiler, price of purchased chick, price of feed, cost of labor, cost of veterinary service and medicine, costs of building and machinery depreciation and maintenance, cost of heating and lighting, mortality rate and feed conversion rate on the profit of the broiler producer were investigated. These variables were resembled by symbols X1-X9 diirly. The results of the study shown that each of these factors is with a specific effect on producers’ profit. The results shown that a rise in the sale price of broiler meat (JD kg-1), Live Weight (LW) which is resembled X1 by 1 JD will increase in the profit kg-1 LW by nearly 0.80 JD. In the other hand, the rises in X2, X3, X5, X6, X7, X8 and X9 will lead to a drop in the profit kg-1 LW by 0.54, 1.1, 1.4, 1.3, 1.1, 0.245, 1.4 and 0.4 JD, respectively. The model estimates were quite compatible with field observations. In field observations, the most important factors affecting profit in this study were the price of feed and the Feed Conversion Rate pra. The correlation matrix of the variables in the regression model shows stronger negative relation between the dependent variable (profit) and these two factors compared to the other variables. The correlation coefficients were 0.301 and 0.357 for price of feed and FCR, respectively.
 
 
 
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