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http://indianaquariumhobbyist.com/community/ :: View topic - Query on harmone induced fish
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Query on harmone induced fish

 
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vinven
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PostPosted: Fri Jun 16, 2006 9:55 pm Post subject: Query on harmone induced fish Reply with quote

 Hi  everyone
 
 A  lot  is  spoken  about  fish  such  as  discus  and  Flowerhorns  being  induced  by  harmones  to  attain  bright  colouration.Now  what  in  a  fish  would  give  the  hobbyist  a  clue  as  to  whether  the  fish  is  harmone  induced?Does  the  colour  remain  bright  and  intense  throughout  the  fish's  lifespan  or  does  the  colour  fade  off  as  they  grow?How  long  would  it  take  for  the  colour  to  fade  off  if  that  is  the  case?
 
 regards
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retro_gk
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PostPosted: Fri Jun 16, 2006 11:55 pm Post subject:  Reply with quote

 Hormone  treated  fish  will  show  adult  colours  at  a  very  young  age  or  unnaturally  bright  colours.  In  some  cases,  you  will  have  females  displaying  male  colours.  They  will  fade  within  a  few  weeks  to  a  couple  of  months  once  the  treatment  stops.
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toomanyfish
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PostPosted: Sat Jun 17, 2006 12:01 am Post subject:  Reply with quote

 Hi  Vinay
 Your  topic  is  interesting  but  your  examples  are  wrong...Flowerhorn  is  a  mutated  species  and  is  a  mix  of  different  cichlids...
 My  hormoned  you  mean  the  bright  colouration  fish  show...well  it  does  not  remain  throught  the  fish's  life  and  definately  fades  off  but  has  other  ill  effects  such  as  shortening  the  life  of  the  fish..fertility  etc.
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cokeamod
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PostPosted: Sat Jun 17, 2006 12:17 am Post subject:  Reply with quote

 Hey  vinay  hi!
 I  have  got  quite  a  few  experiences  as  a  shopkeeper  with  hormone  induced  fish.  But  the  most  interesting  is..
 
 Got  a  few  flowerhorns  left  from  my  own  pair  which  bred  in  dec.  2004
 
 Sorted  out  some  good  'pieces'  which  were  now  1.5  years  old,  and  started  heavy  feeding  them.  By  march-april  2006,  had  4  fierce  aggresive  males,  and  just  1  female.
 
 Then  what  happened,  I  was  out  of  station  for  few  days,  and  when  i  came  back,  my  assistant  had  already  started  feeding  them  red  colour  hormone!!  (what  i  did  to  him  is  another  issue!    Knock  )  So  out  of  curiousity  i  put  one  of  the  'brightest'  males(!)  with  a  'colour  fed'  female  around  a  fortnight  ago.
 
 They  bred  last  week,  whopping  1500  or  so  fry!!  Started  feeding  the  fry.
 So,  how  come  their  fertility  was  not  affected?  or,    Crying or Very sad  ,  will  it  affect  the  fry??
 Regards,
 amod.
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gopiqpp
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PostPosted: Sat Jun 17, 2006 12:33 am Post subject:  Reply with quote

 Hi  Amod,  I  am  interested  in  knowing  exactly  what  these  colour-inducing  hormones  are.  Could  you  give  me  their  generic  names.  
 regards
 Gopi
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toomanyfish
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PostPosted: Sat Jun 17, 2006 12:41 am Post subject:  Reply with quote

 i  have  heard  of  CR6  being  a  pretty  famous  one
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cokeamod
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PostPosted: Sat Jun 17, 2006 12:42 am Post subject:  Reply with quote

 Hi  gopiqpp'ji',    Smile  
 Still  haven't  used  any  generic  hormone  food  except  tetra  bits.  I  have  only  used  very  strong  'mix  in  prepared  food'  powder.  Very  Strong!
 
 It  comes  in  many  'colours'  powder.  Basic  red,  yellow,  and  blue.
 Regards,
 amod.
 
 P.s:  I'll  tell  you  the  name  tomorrow.  Cant  go  to  the  shop  now  at  12.34!!    Chuckle
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Madan
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PostPosted: Sat Jun 17, 2006 9:27 am Post subject:  Reply with quote

 Except  for  testrosterone  -  which  is  a  hormone  -  that  is  used  to  enhance  the  blue  coloring  of  fish  all  others  are  not  strictly  hormones.  The  red  coloring,  yellows  etc.,  are  increased  by  feeding  color  enhancers,  color  enhancers  do  not  cause  in  fertility.
 
 Fish  spiked  with  testosterone  will  start  showing  enhanced  blue  coloration  within  2-3  days.  The  fish  shouldnot  be  maintained  in  the  same  water  for  more  than  10-12  days.
 Longer  exposure  to  higher  testosterone  levels  will  cause  in  fertility  and  the  color  takes  longer  to  fade  away.
 
 Then  there  is  color  dyes  being  used  which  cause  infertility  etc.,
 
 Color  enhancing  food  using  asthaxanthallin,  Carophyll  red  or  pink  will  not  cause  infertility  if  used  properly.  Asthaxanthallin  will  promote  breeding  in  fact.
 
 So  Amod  your  employee  actually  did  you  a  favor!  Very Happy
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