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Formulation of layers rations with spreadsheet software excel
2010
Khuleel, R.M.T.
The aim of this study was to use spreadsheet software (Excel) to solve linear programming models in formulating least cost rations of egg layers. The Ingredients used are corn, wheat, soybean meal, barley, wheat bran, protein concentrate, limestone, salt, dicalcuim phosphate, vitamin and mineral premix, vegetable oil. Results showed that the starter optimum ration for layers from (0 - 6) weeks, consist of these Ingredients (9.40, 26.91, 16.38, 38.71,' 4.51, 0.95, 1.09, 0.25, 1.18, 0.25, (Received April 18, 2009) (Accepted September 28, 2009) 0.33)% respectively and from (6-12) week of (0, 73.43, 8.72, 0, 14.37, 0, 0.99, 0.25, 1.39, 0.25, 0.57) % respectively, from (12-18) week (0, 78.36, 6.17, 0, 12.02, 0, 1.44, 0.25, 0.87, 0.25, 0.61)% respectively, from (18 week - start of production) (0, 15.55, 13.85, 0, 3.81, 0, 4.25, 0.25, 1.16, 0.25, 0.86 )% respectively, and during productive period from (0, 66.93, 10.62, 0,0, 9.09,9.01, 0.25, 3.82)% respectively, and the cost of these ration was 160.6, 130.70, 123.60, 145.22, 195.95) Iraqi Dinar/kg respectively. Results also show sensitivity report of allowable increase and decrease in ingredient cost and in constraint values and the shadow price.
Afficher plus [+] Moins [-]Persistence of some plant oils against the bruchid beetle, Callosobruchus maculatus F., Coleoptera: Bruchidae during storage
2001
Abdel-Aziz, S.E. (National Research Center, Cairo (Egypt). Pests and Plant Protection Dept.)
o narcosis conditions and biotechnical procedures can influence the performance and fitness of artificially inseminated honeybee queens?
2000
Hassan, A.R. (Minia Univ. (Egypt). Faculty of Agriculture)
