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Fed fisheries
lab spawns
mega-trout

AS RESEARCH scientist

Bob Devlin removes the lid

; : : ! F ui on a cireular tank at the

a Seab 200 | from | 33 ; beat fe cab e Department of Qceans and
E Listings for new and } Fisheries West Vancouver
used cars: 35 laboratory, small, darting
rainbow trout are revealed,

& Xmas Calendar...........39 ies , ‘ ; ns a : along with their much bigger
W Classified....... brothers and sisters.
By lan Noble

&% Crosswo
News Reporter

Inside Stories . .
Itis those huge fish Devlin com-

@ North Shore Alert....10 4 fe i, pia pares to compound interest on a
: i 4 4 7 yi mortgage.

@ Sports................. 14 ; . F Controls on their production of
. . ee ; fe growth hormone have — been

@ Sunshine Girl.............25 : A ee Meat anv removed, and they are growing ata

ses E ae? : ‘ : i merece = far faster rite.
H TV Listings...... . i 5 - y Re “toadds up quickly over time to
: : “S 3 a large difference in size.’ suid
Devlin.

fn these two-year-old: trout, the
“transgenic” fish are about [f times
larger than the normal fish. In terms
of weight, that works out to a whop-
ping 12 pounds (5.4 kg) for the
transgenic trout, while their normal
siblings tip the scales at one to two
pounds (.5 to .9 kg).

However, fishermen frantically
reaching for their rods should know
thar they won't find the lunkers in

eee trait VERE et , . their local rivers.

Pe ecirtal “eee, : } Cast te ; i The trout and salmon at the fab-

: aa ; oratory are being developed for
aquaculture and even for that pur-
pose their use is not certain.

Devlin said research to study
whether fish growth could be accel-
erated began five years ago.

“At this point it looks promising
but there is a lot of work to he
done.”

| @ Weekly Real Estate
| section: 49-84 ;
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added that) researchers
should know in three years whether
the research is worth pursuing.
Devlin said that in typical fish,
the amount of growth hormone pro-
duced is lightly controlled. But by
removing thaC control through gene
splicing and replacing it with the
regudatory part of a gene that is nor-
mally active in the livec at high tev-
els, researchers get a fish that pro-
duces growth hormone in the fiver
: Me and the pituitary gland, which is the
NEWS photo Mike Wakefield = SOE producer of growth hormone in

GENETICAL ENGINEERING research conducted at a West Vancouver laboratory has = vermal fish.

ee ge . : . . 7 The hybrid gene is unable to
Weather resulted in significant increases in growth rates of fish. An average two-year-oid measure the amount of growth hor-

Saturday: cloudy with rainbow trout weighs about three-quarters of a pound (.34 kg) while this genetically aone being produced so production
sunny periods. engineered trout weighs about 12 pounds (5.4 kg). The trout and salmon in the five- | semains continuous,
High 6C, low 0°C. year-old study at the Department of Fisheries and Oceans lab are being developed

for aquaculture. See Benefits page 5

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REACHING EVERY DOOR ON THE NORTH SHORE SINCE 1969