In this region, tuna farming is actively carried out.
Improvements in breeding technology have made stable supply possible.
畜産 refers to livestock farming in general (cattle, pigs, etc.), whereas 蓄養 is more commonly used for fish and sometimes includes the idea of stocking.
Standard kanji spelling for livestock husbandry, especially fish farming.
Alternate kanji spelling; 畜 suggests livestock, but 蓄養 is more common.
Compound of 蓄 (store, accumulate) and 養 (raise, nurture). The exact historical derivation is uncertain, but the term is used in modern Japanese primarily in fishery and agricultural contexts.