Question

Which disease of the mulberry silkworm, caused by a microsporidian (protozoan) parasite and transmitted both transovarially from an infected mother moth to her eggs and horizontally through contaminated food, historically devastated the European silk industry and is now controlled primarily through compulsory microscopic mother-moth examination at the grainage stage?

Q: Answer-Which disease of the mulberry silkworm, caused by a microsporidian (protozoan) parasite and transmit...

Pebrine, caused by the microsporidian protozoan parasite Nosema bombycis, is transmitted both transovarially from an infected mother moth to her eggs and horizontally through contaminated food and rearing equipment it historically devastated the European silk industry in the 19th century and is now controlled primarily through compulsory microscopic examination of mother moths at the grainage stage to prevent infected egg batches from being distributed.