Results 141 to 150 of about 31,301 (243)

On-farm feed: the potential for improving profitability in aquaculture [PDF]

open access: yes, 2005
The urge to develop a standard practical diet for farmed fish in Nigeria has been on the increase since the last decade. Since ages diets has ever represent the largest single cost item of most fish farm operations.
Ibiyo, L.M.O., Olowosegun, T.
core  

Metals Contamination in Edible Carnivorous Fishes of Arabian Sea

open access: yesJournal of Applied Sciences, 2006
Rafia Azmat, Rukhsana Talat .
openaire   +1 more source

Maryland Turtles [PDF]

open access: yes, 1961
Since McCauley's 1945 publication, now out of print, on the "Turtles of Maryland," little has appeared on this interesting component of Maryland's vertebrate fauna.
Schwartz, Frank J.
core  

Kigezi local otter trap [PDF]

open access: yes, 1970
The otter belongs to the family Muslelidae of the super family Canoidea. It is a mammal related to the stoat, skunk, marten and wolverine. Its habitat is the water, and it is carnivorous in diet, feeding on fish and other water animals.
Male, M.M.
core  

Ecological studies on some lakes of the Amazon valley

open access: yes, 1967
Of the three types of lakes studied, clear water, white water, and brown water, the white water lakes are the only ones to have a reasonable autochtonous production of organic matter. Owing probably to the lack of mineral salts, the primary production is
Marlier, G.
core  

Optimal use of plant protein concentrates in extruded feeds for carnivorous fish

open access: yes, 2011
The main objective of the research presented in this thesis was to evaluate multiple amino acidsupplemented plant protein concentrates as the main protein source in diets for carnivorous fish. This objective was approached experimentally by: 1) Determining the effects of using plant protein concentrates to provide 30 %, 50 %, and 95 % of total protein ...
openaire   +2 more sources

Research and education for the development of integrated crop-livestock-fish farming systems in the tropics. [PDF]

open access: yes
There is a vast potential for Asia's numerous and needy small-scale farmers to enjoy the benefits of integration of aquaculture into farming systems.
Edwards, Peter   +2 more
core   +1 more source

Comparison between Artisanal Fishery and Manila Clam Harvesting in the Venice Lagoon by Using Ecosystem Indicators: An Ecological Economics Perspective [PDF]

open access: yes
Artisanal fishery in the Venice lagoon is a multi-target activity with a long tradition. It was the main fishing activity till the late ’80s when, after the introduction and spread of the Manila clam (Tapes philippinarum), the mechanical clam harvesting ...
Angela Granzotto   +4 more
core  

Home - About - Disclaimer - Privacy