Results 31 to 40 of about 30,265 (169)

INCREASING FISH PRODUCTIVITY OF POND ECOSYSTEMS BY FERTILIZING THEM WITH DISTILLER'S GRAINS

open access: yesRibogospodarsʹka Nauka Ukraïni, 2015
Purpose. To study fish culture parameters of young-of-the-year carp in the conditions of industrial fish-growing ponds when applying experimental repeated fertilization with distiller’s grain. Methodology.
N. Tson’
doaj   +1 more source

Potential for fisheries use of small reservoirs of Western Polissya of Ukraine

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. Analysis of indicators characterizing the general suitability of reservoirs of Western Polissya for fish ranching in the context of increasing domestic production of marketable fish, taking into account the current ecological state of water ...
V. Sondak, О. Buzevych
doaj   +1 more source

Effect of stocking density on the efficiency of rearing of sterlet Acipenser rutenus (Linnaeus) and paddlefish Polyodon spathula (Walbaum) in the conditions of Southern Ukraine

open access: yesRibogospodarsʹka Nauka Ukraïni, 2018
Purpose. To determine the effects of specific elements of biotechnologies used for rearing sterlet and paddlefish seeds for the optimization of rearing technology and their rational use in pond fish facilities of Southern Ukraine. Methodology. Rearing
A. Bilyk, N. Grudko, I. Sherman
doaj   +1 more source

An experience in growing crossbreed age-1 carp (Cyprinus carpio Linnaeus, 1758) using non-traditional technology

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. To characterize the conditions for growing crossbreed age-1 carp in polyculture using non-traditional technology and to carry out a comparative analysis of productive parameters in comparison with a pure line. Methodology.
М. Ostapchuk   +4 more
doaj   +1 more source

Productive indices of age-2 carp after application of a prebiotic in their feeding

open access: yesRibogospodarsʹka Nauka Ukraïni, 2019
Purpose. To investigate the efficiency of the supplementation of the basic diet of age-3 carp with the prebiotic "Actigen" in pond conditions. To provide control over the aquatic environment conditions, to determine the effect of the tested supplement on
O. Dobryanska   +3 more
doaj   +1 more source

THE CONCEPTION OF FISHERIES DEVELOPMENT IN DNIPROPETROVS’K REGION FOR THE NEXT FIVE YEARS

open access: yesRibogospodarsʹka Nauka Ukraïni, 2015
Purpose. To analyse the current state of fisheries in Dnipropetrovs’k region and elaborate a strategy of their development for the period of 2015–2019. Methodology.
O. Fedonenko   +3 more
doaj   +1 more source

Current status and prospects of the development of pond aquaculture in Khmelnytskyi region on the example of PJSC “Khmelnytskrybhosp”

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. To characterize the current state of aquaculture in the Khmelnytskyi region and determine the contribution to the development of this industry of pond farms that are part of PJSC “Khmelnytskrybhosp”. Methodology.
H. Kurinenko   +4 more
doaj   +1 more source

EFFECT OF FEEDING AMARANTH (AMARANTHUS) ON AQUACULTURAL AND SOME PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS OF AGE-2 CARP

open access: yesRibogospodarsʹka Nauka Ukraïni, 2016
Methodology. The study was conducted at Lviv Experimental Station of the Institute of Fisheries NAAS according to generally accepted aquacultural rules of experiments and repeats. The object of the study were age-2 carp.
R. Palamarchuk, O. Deren, G. Kachay
doaj   +1 more source

The fishery significance of a pond-type riverbed water-lifting reservoir on small watercourses of the Volga region by the example of the Truev river

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки
Background. The article considers a special type of reservoirs – partially regulated sections of riverbeds and streams formed by hydraulic structures and other artificial obstacles on the example of the Nadezhdinskiy reservoir on the Truev river in Penza
Alik Yu. Asanov
doaj   +1 more source

Diagnosing of Biological Productivity in Lake Ecosystems

open access: yesВодное хозяйство России: проблемы, технологии, управление, 2019
This work presents the system for biological productivity estimation in lake ecosystems. Input parameters of system (x – variables) are latitude, specific catchment area, average annual air temperature, annual sum precipitation, mean and maximum water ...
Viktor V. Boulion
doaj   +1 more source

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