{"refrec":{"BRefID":332851,"RR":"<b>Lebata-Ramos, M.J.H.L.; Dionela, C.S.; Novilla, S.R.M.; Sibonga, R.C.; Solis, E.F.D.; Mediavilla, J.P.</b> (2021). Growth and survival of oyster <i>Crassostrea iredalei</i> (Faustino, 1932): a comparison of wild and hatchery-bred spat in grow-out culture. <i>Aquaculture 534</i>: 736310. <a href=\"https://dx.doi.org/10.1016/j.aquaculture.2020.736310\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquaculture.2020.736310</a>","BEntID":326463,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquaculture 534</i>: 736310. <a href=\"https://dx.doi.org/10.1016/j.aquaculture.2020.736310\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquaculture.2020.736310</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lebata-Ramos, M.J.H.L.; Dionela, C.S.; Novilla, S.R.M.; Sibonga, R.C.; Solis, E.F.D.; Mediavilla, J.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lebata-Ramos, M.J.H.L. <i>et al.</i>","Englishabstract":"Oyster farming is an important industry both in developed and developing countries. The high demand for oysters has caused overexploitation of natural stocks. This led to dwindling spat fall and unstable production. This study was conducted to compare growth and survival of wild and hatchery-bred spat of the oyster <em>Crassostrea iredalei</em> in grow-out culture. Results of the experiment revealed that both wild (<em>n</em>&nbsp;=&nbsp;1450) and hatchery-bred spat (<em>n</em>&nbsp;=&nbsp;1450) had comparable growth rates in grow-out culture. Growth rates of wild and hatchery-bred oysters did not differ significantly at 5.69&nbsp;±&nbsp;0.88&nbsp;mm shell length (SL) and 8.85&nbsp;±&nbsp;1.07&nbsp;g body weight (BW) mo<sup>−1</sup> and 6.88&nbsp;±&nbsp;1.33&nbsp;mm SL and 8.26&nbsp;±&nbsp;1.15&nbsp;g BW mo<sup>−1</sup>, respectively. Growth rates, in terms of shell length, both for wild (<em>p</em>&nbsp;&lt;&nbsp;0.05, <em>r</em>&nbsp;=&nbsp;0.74) and hatchery-bred oysters (<em>p</em>&nbsp;&lt;&nbsp;0.05, <em>r</em>&nbsp;=&nbsp;0.76), showed strong positive correlation with salinity. Meat yield was almost the same at 16.41&nbsp;±&nbsp;0.57% for wild oysters and 15.59&nbsp;±&nbsp;0.37% for the hatchery-bred ones. Proximate composition of dried whole flesh oyster samples also showed the same amounts of crude protein, crude fat, crude fiber, nitrogen free extract, and ash in both wild and hatchery-bred oysters. The length-weight relationships of wild [W&nbsp;=&nbsp;0.000492&nbsp;L<sup>2.6512</sup> (R<sup>2</sup>&nbsp;=&nbsp;86.8%, <em>p</em>&nbsp;&lt;&nbsp;0.001)] and hatchery-bred [W&nbsp;=&nbsp;0.000052&nbsp;L<sup>3.1779</sup> (R<sup>2</sup>&nbsp;=&nbsp;92.6%, <em>p</em>&nbsp;&lt;&nbsp;0.001)] <em>C. iredalei</em> were also calculated from the length and weight data obtained during the duration of culture and revealed higher <em>b</em> for the smaller hatchery-bred oysters. Moreover, mean survival at harvest did not significantly differ at 85.03&nbsp;±&nbsp;1.09% for wild oysters and 85.31&nbsp;±&nbsp;1.40% for the hatchery-bred ones (Two-sample <em>t</em>-test, <em>p</em>&nbsp;&gt;&nbsp;0.05). The results of this study showed the potential of hatchery-bred oyster spat as seeds for grow-out culture to address the declining number of spat fall in natural oyster beds. Producing the same quality of oysters, it can be inferred that the hatchery-bred spat are just as competent as their wild conspecifics.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Growth and survival of oyster <i>Crassostrea iredalei</i> (Faustino, 1932): a comparison of wild and hatchery-bred spat in grow-out culture","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Crassostrea iredalei; Wild; Hatchery-bred; Culture; SEAFDEC/AQD","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-01-20","DateCreate":"2021-01-20","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000614762600008","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquaculture.2020.736310"},"refs":null,"anarec":{"AnaID":332851,"PubliDate":2021,"Pagination":"736310","XtraPublOfAnaID":null,"ISBN":null,"Volume":"534","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42190,"SerRR":"Aquaculture. 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