International Journal of Fishery Science and Aquaculture ISSN 9521-4569 Vol. 3 (2), pp. 040-045, February,
2016. Available online at www.advancedscholarsjournals.org © Advanced Scholars Journals
Full length Research paper
Fish growth performance in ponds integrated with
poultry farm and fertilized with goat manure: a case in
Ethiopian Rift Valley
Megerssa Endebu
1
*, Daba Tugie
1
and Tokuma Negisho
1
,
1
Zeway Fisheries Resources Research Center, P.Box 229.Zeway, Ethiopia.
Accepted 03 January, 2016.
Extensive fish farming is expanding among farmers in Ethiopia where integration with other system is
opting to combat the limiting fish feed supply. This experiment was conducted in earthen ponds to evaluate
fish growth performance in pond integrated with poultry farm (T2) against fish growth in goat manure
fertilized pond (T1) without feed supplement. Tilapia (Oreochromis niloticus) and carp (Cyprinus carpio)
poly-culture was used. The size of fish at stocking for O.niloticus and C.carpio were32.0±7.51 g and
13.1±2.81 g at density of 1.5 and 0.6 m
-2
respectively. Fish were weighed individually at harvest and the
average weight of the two groups were compared in independent sample t-test for both species separately.
The O.niloticus significantly (p<0.05) higher average final weight of 174.2±40.8 g at a faster daily growth rate
(DGR) of 0.75 g.day
-1
inT2 than in T1 with 80.0±15.8 g final weight at DGR of 0.25g.day
-1
during the culture
period of 190 days. Similarly, C.carpio attained a significantly higher (p<0.05) average final weight of
277.1±33.79g at a rapid DGR of 1.8g.day
-1
in T2 than in T1, which attained average final weight of 55.0±15.6 g
atDGR of 0.28 g.day
-1
during 150 days culture period. Hence, integrating fish pond with poultry farm results
in faster fish growth rate which can be used as a good option to solve the feed problem facing extensive
fish farms in Ethiopia.
Key words: Cyprinus carpio, Integration, Oreochromis niloticus, Pond, Poultry.
INTRODUCTION
More than 500 million people depend, directly or
indirectly, on fisheries and aquaculture for their
livelihoods (FAO, 2011). Demand for fish and fishery
products is predicted to remain increasing because of
population growth, economic development and changes
in food habits (FAO, 2001). Supply from capture fisheries
is expected to remain constant, or even to decline.
Indeed, fish supply from the capture fisheries in most
countries is believed to have reached or be close to the
maximum sustainable yield suggesting that an increase
in aquaculture fish supply could help reduce the expected
shortage of fish. Besides availing fish to a wider range of
consumers, aquaculture can also provide jobs; generate
income, increase food security and contributing to
alleviation of hunger in countries like Ethiopia.
*Corresponding author’s: e-mail: iamendebu@yahoo.com
Aquaculture in Ethiopia is at its infancy level. Farmers in
Oromia region practiced extensive fish farming in small
ponds using Nile tilapia since 2008 (DabaTugie, 2010).
The performances of these fish farms were mentioned
promising. However, it was not supported with a package
to attain potential production level. One of the many
constraints of fish farming in Ethiopia is feed supply. On
the other hand, many farmers in Ethiopia are rearing
animals like cattle, poultry, sheep, goat equines and/or
camels. They also grow vegetables using irrigation in
addition to production ofother field crops. Under an
extensive management, the problem of feed supply in
fish farm can be managed under low cost system and
maximized resources utilization by integrating different
farms which can supply organic fertilizer to the fish
pond.Organic fertilizers are usually animal manures or
plant wastes and cuttings ("green manure").Manure from
chickens, goats, sheep, ducks, pigs, rabbits, cattle and
horses are excellent fertilizers for fish ponds. Direct use of
the waste from livestock production in fish ponds is wide