Results 31 to 40 of about 310,492 (212)

Sportfishing creel census pilot study [PDF]

open access: yes, 1974
The sportfishing creel census project was originated to obtain information relating to the use of the Corpus Christi Bay area for sportfishing, the amount of fish caught and other environmental information relating to the total productivity cycles of the
Bowman, Dinah   +2 more
core   +1 more source

The effect of amaranth Amaranthus (Linnaeus) on qualitative and productive characteristics of 1+ carp Cyprinus carpio (Linnaeus) after being added to the composition of the diet

open access: yesRibogospodarsʹka Nauka Ukraïni, 2018
Purpose. Determination of the effectiveness of amaranth assimilation in the body of 1+ carp, the study of the effect of this non-traditional feed component on some physiological and biochemical indices of experimental fish and the economic component of ...
R. Palamarchuk, O. Deren
doaj   +1 more source

Productivity and efficiency of growing age-1+ carp (Cyprinus carpio (Linnaeus, 1758)) with the use of a prebiotic additive in the feed composition

open access: yesRibogospodarsʹka Nauka Ukraïni, 2021
Purpose. The aim of the work was to assess the effectiveness and feasibility of using the prebiotic "Actigen" in the process of commercial cultivation of carp taking into account productive and economic indicators. Methodology. The study was conducted
O. Dobryanska   +3 more
doaj   +1 more source

Improved digestibility and growth in selected families of rainbow trout (Oncorhynchus mykiss) [PDF]

open access: yes, 2008
Protein is the most expensive single component in fish feed and the quality of the dietary protein is decisive for the productivity of fish farming. When fish meal is partly replaced by plant protein in feed for organic fish it is especially important ...
Jokumsen, Alfred   +1 more
core  

THE PERSPECTIVES OF COMMERCIAL FISHERY USE OF THE KHADZHYBEY LAGOON

open access: yesRibogospodarsʹka Nauka Ukraïni, 2015
Purpose. To provide recommendations on further optimum sustainable use of all water area of the Khadzhbey lagoon as a fisheries water body. Methodology. Hydrological and ichthyological samples have been collected according to standard methods.
S. Snigirov, S. Bushuev
doaj   +1 more source

Uganda aquaculture value chains: strategic planning mission: summary report [PDF]

open access: yes, 2012
This report presents the findings and recommendations of a strategic planning mission to reevaluate the feasibility of WorldFish implementing a fish value chain research program in Uganda under the CGIAR Research Program on Livestock and Fish (L&F).
Dalsgaard, J.P.T.   +3 more
core  

Effect of stoking density on the productivity parameters of young-of-the-year tench (Tinca tinca Linnaeus, 1758) grown in recirculation aquaculture system conditions

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. To characterize the productive and biological features of juvenile tench (Tinca tinca Linnaeus, 1758) grown in a recirculation aquaculture system and to select the optimal stocking density for intensive cultivation technology.
R. Konopelsky   +3 more
doaj   +1 more source

EPISOOTOLOGICAL SUPERVISION AND EXPERT ASSESSMENT OF THE VERIFICATION OF THE SURA RIVER ICHTHYOFAUNA, ITS EPISOOTIC AND BIOLOGICAL SAFETY

open access: yesВетеринарная патология, 2021
Sura belongs to the rivers of the highest category of fishery water use. The river lies entirely within the Volga Upland, in the west it adjoins the Oka's basin.
V. V. Sochnev   +7 more
doaj   +1 more source

Variable Gizzard Shad Recruitment with Reservoir Productivity: Causes and Implications for Classifying Systems [PDF]

open access: yes, 2001
Achieving sustainable prey fish assemblages that support sport fish predator populations is a fundamental challenge to fisheries managers. Among Midwestern and Southeastern (USA) reservoirs, gizzard shad, Dorosoma cepedianum, have been widely stocked to ...
Bremigan, Mary T., Stein, Roy A.
core   +1 more source

Assessment of the effect of heterosis by productive parameters of young-of-the-year carps obtained from crossing Ukrainian and Polish breeds

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. The aim of the work was to study the effectiveness of using structural units of Ukrainian carp breeds in combination with Polish carp lines to obtain new promising lines for industrial cultivation at different levels of aquaculture ...
H. Kurinenko, A. Derenko
doaj   +1 more source

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