Results 11 to 20 of about 111,637 (305)

Effect of feeding semi-moist diet as a practical strategy to reduce feed costs in tilapia juvenile production

open access: yesActa Scientiarum: Biological Sciences, 2023
Tilapia (Oreochromis niloticus) is one of the species with the greatest increase in production worldwide. However, the continuous increase in the price of ingredients, and consequently in the diet costs may limit the expansion of the sector.
Luan Honorato   +5 more
doaj   +1 more source

Residual feed intake: A limiting economic factor for selection in poultry breeding programs

open access: yesAnnals of Agricultural Sciences, 2021
The recent breeding programs for livestock and poultry projects have aimed at maximizing productivity and minimizing gross costs. It is well known that feed represents the main variable component affecting the productive process.
M.M. Fathi   +4 more
doaj   +1 more source

The feed-in tariff in the UK : a case study focus on domestic photovoltaic systems [PDF]

open access: yes, 2013
This paper explores the photovoltaic (PV) industry in the United Kingdom (UK) as experienced by those who are working with it directly and with consideration of current standards, module efficiencies and future environmental trends.
Kirwan, Kerry   +3 more
core   +1 more source

Hematological and productive parameters of trout fed with Aller Aqua and Aquafeed Fischfutter feeds

open access: yesRibogospodarsʹka Nauka Ukraïni, 2019
Purpose. Study of the effects of “Aller Aqua” and “Aquafeed Fischfutter” feeds on functional growth status, hematological and productive parameters of rainbow trout, from fry to commercial product. Methodology.
I. Bobel, Ya. Pivtorak
doaj   +1 more source

Feed Manufacturing Costs and Capital Requirements [PDF]

open access: yes, 2020
Costs were synthesized for 99 model feed plants producing between 6 and 50 tons per hour of size of operation and specialization on feed manufacturing costs.
Vosloh, Carl J., Jr.
core   +1 more source

Increasing the efficiency of commercial rearing of the common carp (Cyprinus carpio Linnaeus, 1758) with the use of milk thistle (Silybum marianum (L.) Gaertn) in the ration composition

open access: yesRibogospodarsʹka Nauka Ukraïni, 2019
Purpose. The purpose of the study was to investigate the feasibility and efficiency of the use of milk thistle in the process of commercial cultivation of the common carp in terms of productive and economic indicators. Methodology.
M. Korуlyak
doaj   +1 more source

Photovoltaics : reviewing the European feed-in-tariffs and changing PV efficiencies and costs [PDF]

open access: yes, 2014
Feed-in-Tariff (FiT) mechanisms have been important in boosting renewable energy, by providing a long-term guaranteed subsidy of the kWh-price, thus mitigating investment risks and enhancing the contribution of sustainable electricity.
T. Van Gerven   +10 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

The effects of Using Nano-Meniran (Phyllanthus niruri) Extract on the Feed Economic Value and Income Over Feed Costs of Broiler Chicken Farm

open access: yesJurnal Ilmu-Ilmu Peternakan, 2023
This study aims to determined the effects of using nano-meniran (Phyllanthus niruri) extract on the feed economic value and income over feed costs of broiler chicken farms. This research method was an observational study with a sample of one-day-old Cobb
Elita Triwijayanti Aqfari   +5 more
doaj   +1 more source

Productivity of growing rabbits for use of forrage with different zinc content

open access: yesUkrainian Journal of Veterinary and Agricultural Sciences, 2018
The results of studies on the optimal level of zinc, which are additionally introduced into feed for rabbits grown for meat, are presented. Experimental researches were conducted in the conditions of the problematic research laboratory of feed additives ...
Yu.V. Pozniakovskyi   +2 more
doaj   +1 more source

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