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21-07-2015, 12:33 AM | #81 |
Arofanatic
Join Date: Jun 2014
Posts: 129
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Wow Thts actually a really interesting question. Never thought of that! Haha I would like to know the answer too!
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21-07-2015, 12:01 PM | #82 |
New Member
Join Date: Jun 2013
Posts: 39
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MP that we've seen in the wet market ($8-10), greyish color... are pond raised. And I believe its fresh water pond. So it might be suitable for rays. BUT.. with any commercially raised prawn/fish.. they are fed with pellet and the pond itself might be conditioned with a lot of chemical.
This also goes with those fish fillet (sutchi). |
22-07-2015, 04:45 AM | #83 |
Dragon
Join Date: Feb 2001
Posts: 1,918
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most of my bigger rays also take kunning head. but some only chew and spit out the mess. i think it depends on the individual ray too. i only feed them once a day, sometimes once every 2/3 days. getting lazy now
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27-07-2015, 01:04 AM | #84 |
New Member
Join Date: May 2015
Posts: 20
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wah didnt expect this thread to still be active . anyway ive been feeding my ray sotong, mp, fish meat but like 1 month grow not even 1" is it unusual ?
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27-07-2015, 01:44 AM | #85 |
New Member
Join Date: Apr 2014
Posts: 32
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How big is your ray? Food plays a part in growth as well as water perimeter n tank size. My bd grow avout 0.5 inch per mth.
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27-07-2015, 01:45 AM | #86 |
New Member
Join Date: May 2015
Posts: 20
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My tank size is 6x2.5x2.5. Ray about 10"-11". Water pH around 7.3 like that
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27-07-2015, 02:08 AM | #87 |
New Member
Join Date: Apr 2014
Posts: 32
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27-07-2015, 02:26 AM | #88 |
New Member
Join Date: May 2015
Posts: 20
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Yup everyday feed till gt hump maybe now big then growth slow down
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27-07-2015, 04:57 PM | #89 |
Senior Dragon
Join Date: May 2002
Posts: 4,048
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After 10" growth slows down. After 12" slow down even more
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04-08-2015, 01:50 AM | #90 | |
Dragon
Join Date: Jul 2006
Posts: 835
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Quote:
Grey prawn that came fr malaysia or nearby countries, mostly farm in pond filled with sea water but farmers allowed rain water to dilute cos the prawn can take it & they do not wan to let in new conteminated seawater. In China u may be able to find farmers farming them in pond filled with more fresh water due to location limitation. It is also true that these farmed prawn r fed with lots of antibiotics and also water r treated with lots of antibiotics. Thats y we r advised not to eat the head. In taiwan, rays breeders don feed their rays with prawn head, but in sg, I heard pple saying feed prawn head v gd for rays. Well, I hv no comments but I think fr common sense we kn the ans wat is gd. Thats y I prefer fresh water ghost shrimp caught fr wild, safer. |
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