10:29 Apr 23, 2009 |
English language (monolingual) [PRO] Science - Livestock / Animal Husbandry / Aquaculture - oysters | |||||||
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| Selected response from: vixen Greece Local time: 13:02 | ||||||
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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3 +2 | flatter shell valve |
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flatter shell valve Explanation: I'm not an expert, but after some googling I think you are right that "blatter" is a typo. Judging from the reference below, "blatter" may very well be a typo for "flatter". This procedure involves sacrificing a number of ripe adults when larvae are required (Figure 39). Removing the flatter shell valve reveals the soft body tissues of the oysters. The gonad overlies the digestive tissues towards the umbone and hinge of the shell and when very ripe will extend around the adductor muscle. Either the gonad can be cut repeatedly with a scalpel and the exhuding gametes washed with filtered seawater into a part-filled beaker or bucket, or a clean Pasteur pipette can be inserted beneath the overlying gonad epithelium and the gametes removed by exerting gentle suction. http://www.fao.org/docrep/007/y5720e/y5720e09.htm -------------------------------------------------- Note added at 13 mins (2009-04-23 10:42:19 GMT) -------------------------------------------------- I also found this reference about clams: smaller, flatter left shell valve fits inside larger, more swollen, right shell valve http://www.fish.wa.gov.au/docs/pub/IMPMarine/IMPMarinePage13... |
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