breeding officer catch trout to check quality

agricultural agriculture animal aquaculture biological breeding breedingofficer business catch chiangmai development doiinthanon doiinthanonroyalproject ecosystem environment farm fish fisherman fishery fishfarm fishfarming freshness freshwater growth healthy highestpeak highlandfishingresearch holding holdingrainbowtrout industry life lifestyles natural nature outdoor popular production rainbowtrout recreation river royalproject royalprojectinthanon stream sturgeon thailand theroyalagriculturalstationinthanon trout troutfarm wildlife worker