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Recent results in rearing trichogramma in vitro with artificial media devoid of insect additives


, : Recent results in rearing trichogramma in vitro with artificial media devoid of insect additives. Acta Entomologica Sinica 25(2): 160-163

This paper reports the results of experiments using artificial media devoid of insect additives for rearing T. dendrolimi, T. pretiosum and T. confusum in vitro. A mixture of yeast hydrolysate, calf fetus serum and Grace's solution gave good results in attracting females to ovipost and the quantity of ova laid into the artificial eggs is comparable to the hemolymph of Antheraea pernyi used in making artificial eggs. A combination of the above mentioned mixture (60%) with chicken embryo extract (10%), cows milk (15%) and chicken egg yolk (10-20%), gives an artificial medium which can be used to rear the larvae into adults, with the percentages of pupation and adult emergence 17-36% and 1-2%, respectively. The adult wasps had abnormal wing development and were weak. The media and rearing method require improvement.

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Ispolatovskaia, M.V.; Atabegova, M.A., 1958: Measurement of respiratory activity during aeration of bacterial cultures, by analysis of the air passing through the medium. The output of carbon dioxide and the uptake of oxygen of a bacterial culture, determined by analysis of the air given off in the process of aeration and expressed in terms of unit weight of dry bacterial mass and per bacterial cell, reflects the r...

Braga, R., J.; Petrides, G., 2007: Terapias somaticas para transtornos psiquiatricos resistentes ao tratamento. Objective: This paper reviews the current knowledge of somatic treatment in psychiatry, with a focus on treatment-resistant psychiatric disorders. Method: A computerized search of the literature was conducted on Medline using the words "elect...

MOJUMDAR.N.G.; BHATTACHARYA.B., 1951: Physical methods for controlling hyperpyrexia in children. A preliminary report. Indian Journal of Pediatrics 18(69): 10-14

Balli, P.P., 1969: An unusual abnormality of the uterine cervix: on a case of inclusion of sebaceous glands in the exo-cervix. Archivio "de Vecchi" Per L'anatomia Patologica E la Medicina Clinica 54(3): 757-762

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