Thefeedingbehavioranddigestivephysi

Thefeedingbehavioranddigestivephysiologyoftheseacucumber,Apostichopusjaponicusarenotwellunder-
stood.Abetterunderstandingmayprovideusefulinformationforthedevelopmentoftheaquacultureofthisspe-
cies.Inthisarticlethetentaclelocomotion,feedingrhythms,ingestionrate(IR),fecesproductionrate(FPR)and
digestiveenzymeactivitieswerestudiedinthreesizegroups(small,mediumandlarge)ofseacucumberundera
12hlight/12hdarkcycle.Frame-by-framevideoanalysisrevealedthatallsizegroupshadsimilarfeedingstrat-
egiesusingagraspingmotiontopickupsedimentparticles.Thetentacleinsertionratesofthelargesizegroup
weresignificantlyfasterthanthoseofthesmallandmedium-sizedgroups(Pb0.05).Feedingactivitiesinvesti-
gatedbychargecoupleddevicecameraswithinfraredsystemsindicatedthatallsizegroupsofseacucumber
werenocturnalandtheirfeedingpeaksoccurredat02:00–04:00.

ผลลัพธ์ (ไทย) 1:

Thefeedingbehavioranddigestivephysiologyoftheseacucumber, Apostichopusjaponicusarenotwellunder-ยืนอยู่ Abetterunderstandingmayprovideusefulinformationforthedevelopmentoftheaquacultureofthisspe-cies Inthisarticlethetentaclelocomotion, feedingrhythms, ingestionrate (IR), fecesproductionrate (FPR) และofseacucumberundera digestiveenzymeactivitieswerestudiedinthreesizegroups (ขนาดเล็ก mediumandlarge)12hlight/12hdarkcycle เฟรม-โดย-framevideoanalysisrevealedthatallsizegroupshadsimilarfeedingstrat -egiesusingagraspingmotiontopickupsedimentparticles Thetentacleinsertionratesofthelargesizegroupweresignificantlyfasterthanthoseofthesmallandmedium-sizedgroups(Pb0.05) Feedingactivitiesinvesti-gatedbychargecoupleddevicecameraswithinfraredsystemsindicatedthatallsizegroupsofseacucumberwerenocturnalandtheirfeedingpeaksoccurredat02:00 – 04:00

ผลลัพธ์ (ไทย) 3:

thefeedingbehavioranddigestivephysiologyoftheseacucumber apostichopusjaponicusarenotwellunder - ,stood.abetterunderstandingmayprovideusefulinformationforthedevelopmentoftheaquacultureofthisspe -cies . inthisarticlethetentaclelocomotion feedingrhythms ingestionrate , , ( IR ) , fecesproductionrate ( fpr ) และdigestiveenzymeactivitieswerestudiedinthreesizegroups ( mediumandlarge ขนาดเล็ก ) ofseacucumberundera12hlight / 12hdarkcycle.frame-by-framevideoanalysisrevealedthatallsizegroupshadsimilarfeedingstrat -thetentacleinsertionratesofthelargesizegroup egiesusingagraspingmotiontopickupsedimentparticles .weresignificantlyfasterthanthoseofthesmallandmedium sizedgroups ( feedingactivitiesinvesti - pb0.05 )gatedbychargecoupleddevicecameraswithinfraredsystemsindicatedthatallsizegroupsofseacucumberwerenocturnalandtheirfeedingpeaksoccurredat02:00 – 04 : 00 .