TY  - SER
AU  - Abd El-Mottaleb,A.F.
TI  - Developing a local semi-mechanical incubator for minimum production cost
KW  - Poultry
KW  - Hatcheries
KW  - Feeding and feeds
KW  - Electromotive force
KW  - Eggs
KW  - Humidity
KW  - Effect of global warming on
KW  - Agricultural machinery
KW  - moisture content
N1  - Includes references
N2  - A local semi-mechanical incubator was developed to hatch some kinds of poultry eggs with the purpose of decreasing egg losses and increasing incubation efficiency. A comparative study was conducted on the performance of the incubator before and after development. Performance was investigated as a function of change in temperature, relative humidity , number of turns and kind of egg in terms of hatching ratio , loss ratio and hatching cost . Experimental results revealed that hatching ratio and hatching cost were in the optimum range with the use the developed incubator under the following conditions : §Temperature of about 37.5 C , relative humidity of about 55% and  number of turns of 12 times per day . §Improvements lead to of increasing of safety factors and professional integrity for laborer and detecting any shortcoming in components of the incubator electricity circuit
UR  - http://nile.enal.sci.eg/EALE/2010/MJAE/2710/3/943.pdf
ER  -