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Comparison of gelled and meat diets for rearing screwworm, Cochliomyia hominivorax (Diptera: Calliphoridae), larvae
- Taylor, D.B., Mangan, R.L.
- Journal of economic entomology 1987 v.80 no.2 pp. 427
- diet, Cochliomyia hominivorax, larvae, animal feeding, gels, meat, laboratory rearing
- A liquid diet solidified with an acrylamide-acrylate polymer gelling agent (Water-Lock) was compared with a standard meat diet for rearing larvae of Cochliomyia hominivorax. The size and yield of larvae reared on the gel diet were equal to, or greater than, those of larvae reared on the meat diet. The duration of larval development was increased by about 13 h on the gel diet; however, variability of pupal weight and larval survival over generations were reduced when gel was used. Larval size was also more uniform over the 3-day period when larvae leave the rearing medium to pupate (crawl-off). The gelled diet was more uniform over time than the meat diet. In addition, the gelled diet was easier to use, less objectionable to workers and less expensive than the meat diet.