The name is absent

1 wish to pursue the natural pond productivity approach
for crayfish production rather than tracking directly
to the total formulated diets common to pcnacid
culture.

This approach is likely to be more economic,
certainly more environmentally sound, and of
potentially greater significance for other tropical
countries where redclaw may have real potential.

Our immediate concern is simply to gain the
support of our own government to direct appropriate
funding to the upgrading of facilities and staff for
the conduct of relevant research.

I would like to invite readers and organizations
interested in redclaw to contact me. Such interest
may help to strengthen our case for the continuation
of redclaw research.

Ourprcliminary research findings can be assessed
by ordering the following publication: The Biology
and Aquaculture Potential of the Tropical Freshwater

Crayfish Cherax quadricarinatus by C.M. Jones;
1990; InformationBranch_lQueensIand Department
of Primary Industries, G.P.O. Box 46, Brisbane Qld
4001, Australia; Price: $25 Aust.

Dr. H. Shivananda Murthy, AssL Professor of
Aquaculture, U niverslty of Agricultural Sciences,
College of Fisheries, P.B. No. 527, Kankanady,
Mangalore 575 002, Karnataka, India.

1 am a new member of the NTAS. My interest
is fish nutrition and warmwater aquaculture. I am
presently investigating the amino acid requirements
of Indian major carps. If NTAS or its members can
contribute reprints of research papers or information
on the amino acid requirements of Fish and shrimp,
I shall be vety much grateful to them.

Mr. Adekunle Idowu, Anglican Girls Grammar
School, P.O. Box 35, Ijchu-Ode, Ogun State, Nigeria.

It is my pleasure to resume communication with
NTAS members. I am currently researching on the
performance and economics of feeding Clarias
gariepinus and Oreochromis niloticus with crayfish.
The research work has got to the advanced stage.
There is however much handicap on getting the
work published, as relevant literature is not available.
I will be very grateful to NTAS members working
in the same or related topics to please send relevant
literature to me.

Thank you.

Photosection

Common carp (Cyprlnus carpIoJ
Is an exotic species farmed by
about 20 farmers in Malawi.
These photos show common
carp in fish harvests from the (a)
Mankebu and (b) Kamkwale fish
farms. As reported in Aquabyte
4(3):16, the government of
Malawi has decided to eradicate
common carp from the country
for fear that it may be spread to
ecologically sensitive areas and
could pose a threat to native
farms and habitats. There Is a
wealth of native Malawian
species to be screened for
aquaculture potential [e.g.,
Balhyclarias Ioweae, see
Aquabyie 4(2):5] but in the short-
term, the loss of common carp
may discourage some farmers.
(Photos by Dr. Beg Noble)______

Small-scale farmers use simple
and economical methods for
preparing fish feeds. Here, a
farmer-cooperator In Sg.
Baurung, Penang, Malaysia,
makes feed for cattish (Clarlas
gariepinus x C. macrochepatus)
cultured In semi-intensive ponds.
Absolute feed quality is not
critical. The feed Is made from
soybean meal and fish meal (ratio
of 2:1 plant to animal protein)
with crude palm oil as a lipid
source. (Photo by Boshada
Hashim)_____________________

JANUARY 1992

<<   <   1   2   3