Abstract
This study aimed to compare the performance of incandescent lamps and LED lamps, regarding the consumption of electricity and the economic viability of these lighting systems in broiler houses in western Parana State, Brazil. The study was conducted to compare the power consumption in two broiler houses of the dark house type in Sao Miguel do Iguacu, Parana, Brazil; one lighting system with incandescent lamps and the other one with LED lamps. The power consumption was measured in the two lighting systems, using meters of electrical quantities Landis Gyr+ during the housing period of a batch of poultry corresponding to 43 days. Then, the energy consumption was calculated per bird housed, by mass of live chicken and aviary unit area. With the electricity tariff values for rural consumers, there was an evaluation of the economic viability of lighting systems by the method of net present value (NPV) method and the discounted payback. The main results showed that throughout the period of broiler chickens housing, in the aviary with incandescent lamps 1,768 kWh in lighting was consumed, while the aviary with LED lamps consumed 221 kWh. The economic feasibility analysis showed that the use of LED lamps presented greater economy, and has a return on investment within a period of 21 months. Key words: Energy consumption, lighting systems, broiler house.
Highlights
The Brazilian poultry industry is responsible for thousands of integrated producers, processing companies and exporters
The poultry sector employs over 3.6 million people directly and indirectly, and accounts for almost 1.5% of the national gross domestic product (GDP) (UBABEF, 2014)
Comparing the consumption of aviary 1, which was 0.0291 kWh/kg of broiler live with the aviary 2, the power consumption was 0.0030 kWh/kg live chicken (LED lamps); it may show that the electricity consumption of aviary 2 was more cost-effective (Table 2)
Summary
The Brazilian poultry industry is responsible for thousands of integrated producers, processing companies and exporters. The national poultry industry uses imported tech-nologies temperate climates, using adaptations without considering the growing concern for the rational use of energy in relation to the environment (Bonn, 2010). As this activity is dependent on electricity, mainly due to commercialscale productivity, energy consumption in the production. According to Saidur (2009), this reduction in power consumption, can constitute a simple replacement of inefficient light bulbs with more efficient light bulbs. According to Simpson et al (2014), regarding the poultry industry, the light is an important aspect and is presenting developments in lighting systems in aviaries during the past years. This process resulted in an annual electricity bill reduction of US$ 1,000 for aviaries of 1,800 m2
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