Effects of dietary n-3 polyunsaturated fatty acids and ... - FINS

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Mortality(pcs.)1 st WorkshopXIII International Feed Technology SymposiumTable 1. Basic production indicators of poultry fatteningPeriod(days)Bodyweight(gr)ETotalfoodconsumption (kg)Mortality(pcs.)Numberof theflock inthefattening(pcs)Bodyweight(gr)Totalfoodconsumption (kg)CMortality(pcs.)Numberof theflock inthefattening(pcs)0 44,2 1.500 44,2 1.5000-7 127,5 200 6 1.494 111,5 215 10 1.4900-21 565,0 1.250 8 1.486 519,0 1.265 53 1.4370-28 966,0 2.250 2 1.484 907,0 2.255 23 1.4140-35 1.490,0 3.650 1 1.483 1.420,0 3.645 3 1.4110-42 1.985,0 5.250 2 1.481 1.940,0 5.210 3 1.4080-49 2.760,0 8.350 1 1.480 2.780,0 8.330 4 1.404extruded corn, 96 chickens have died in total. If this is compared to the mortality in caseof feeding with the mixture with extruded corn (20 chickens), it is possible to draw aconclusion about the great advantages to the usage of extruded corn in food formaintaining health condition of the poultry. Besides, provided results are speciallyexpressed in the first four weeks of the fattening (Graph 1).62525342322223Experiment, EControl, C12210682 3 2 3 47 21 28 35 42 49Period(days)Graph 1. Mortality of chicken during the fattening207
conversion of food (kg)1 st WorkshopXIII International Feed Technology SymposiumThe second factor of significance for the overall production and the achieved economicresult is the conversion of food. The calculation of the achieved conversion shows thatthe group fed with the extruded corn achieves better conversion whereby, on the level ofthe overall fattening makes 2,04 gr of forage mixture per kilogram of weight gain.Feeding with the forage mixture, the achieved conversion of the food is 2,13 kg perkilogram of the weight gain. The overview of the conversion change during the fatteninggives a better insight into the food conversion. The overview has been made according tothe available data and is given on the Graph 2.2,902,702,502,302,10Experiment, EControl, C2081,901,701,507 21 28 35 42 49Period(days)Graph 2. Conversion of food during the fattening of poultryIt is obvious from the Graph that feeding chickens with extruded corn gives better resultsat the beginning of the fattening, whereby very beneficial effects on younger categoriesof poultry are shown once again. If we take a look at the Table 1 in the previous part ofthe paper, one can draw a conclusion about the almost same expenditure of food in bothgroups observed. Also, the group fed with food with the addition of extruded corn hasbigger number of fattening chickens at the end of the fattening and achieves higher valueof the production.Total cost of the food makes RSD 286.335,00 for the group fed with the food withaddition of extruded corn, or RSD 285.840,50 for the group fed in standard way.Accordingly, the cost of feeding per chicken has been calculated and it presents RSD193,47 for the first group, and 203,59 for the second group, which is 5,23 % higher valuethat directly influences growth of the overall cost.The analysis of the overall economic indicators of the observed production starts fromthe assessed investment into the farm, in other words investment into the buildings forbreading with the following equipment. According to the assessment, the investment intothe buildings and equipment amount to 135.000,00 €, or RSD 12.825.000,00.
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Effects of dietary n-3 polyunsaturated fatty acids and ... - FINS

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