also: しゅんさん
spring breed of silkworm
Refers to silkworms raised in spring, as opposed to summer or autumn breeds. Used in sericulture contexts.
The cocoons of spring silkworms are larger than those of summer silkworms.
農家は春蚕の飼育を始めた。
The farmers started raising spring silkworms.
Standard kanji form for the spring silkworm breed; reading はるご is the most common.
Alternate on'yomi reading, less common in everyday use.
Compound of 春 (spring) and 蚕 (silkworm). The reading はるご is the native Japanese reading, while しゅんさん is the Sino-Japanese reading.