Experimental study of larvae cage area impact on productivity in green lacewing industrial-scale rearing
2024
Yaroshevsky, Vladislav | Bespalov, Igor | Khodorchuk, Vasyl | Barkar, Vitalii | Bulgakov, Volodymyr | Rucins, Adolfs | Aboltins, Aivars
The article analyses the experimental results of the cage area effect on green lacewing productivity. The tests were made under the conditions of the complete green lacewing (Chrysoperla carnea) rearing process on the base of the Engineering and Technological Institute “Biotekhnika” of NAAS of Ukraine in partnership with the the Latvia University of Life Sciences and Technologies. The research was focused on the correlation between the larvae cage productivity and its inner area. Four cage types with the same design and different areas were studied in the experiments. The set of experiments includes parallel insect rearing in three cages of each type. The specific productivity in cocoons·cmE−2 was chosen as the main cage efficiency parameter. The analyses showed the productivity reduction with the cage area increasing. However, in the range of the cage area of 550–950 square cm the average productivity kept constant of 0.64 cocoons·cmE−2. The detected interval could be used for cage manufacturing and further equipment set forming with increased economic efficiency. The cage number in such equipment set would be 1.5 times less in comparison to the basic one for the same set productivity. Therefore, the equipment set manufacturing and maintenance costs would be decreased.
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Editeur Latvia University of Life Sciences and Technologies
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