Evaluation of different heating systems for new-born swine
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ORIGINAL PAPER
Evaluation of different heating systems for new-born swine Jéssica Juliane Sulzbach 1 Isadora Bischoff Nunes 3
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Angélica Signor Mendes 2
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Marco Antonio Possenti 2
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Cleverson de Souza 1
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Received: 7 November 2018 / Revised: 15 January 2020 / Accepted: 18 April 2020 # ISB 2020
Abstract The use of heating systems for new-born piglets can prevent major losses in the first 5 weeks of life. The present study had the objective of evaluating three heating systems in creeps for new-born piglets, being: floor-heated floor with circulating water (HF), incandescent lamp type SPOT 40 W (L) and incandescent lamp type SPOT 40 W plus black metal plate (LP). The variables evaluated were piglet performance (total weight gain and mortality), bioclimatic data (temperature and relative air humidity), animal behaviour and economic revenue. Bioclimatic data were recorded in the external environment, in the maternity and in the interior of each shelter/creep for 21 days, three times a day, as well as the capture of photographic images for analysis of the animals’ disposal. The mean temperature of the retractors, the weight at weaning and the weight gain were higher in the HF treatment. Treatment HF improved the percentage of dispersed animals and provided the best thermal environment and the highest revenue at the time of the commercialization of the piglets. Keywords Piglets . Thermal comfort . Alternative energy . Heated floor . Ambience
Introduction Under the new spectre of increasing world population and the need to produce high-quality animal protein, pig farming could be a promising and rentable activity for farmers. * Isadora Bischoff Nunes [email protected] Jéssica Juliane Sulzbach [email protected] Angélica Signor Mendes [email protected] Marco Antonio Possenti [email protected] Cleverson de Souza [email protected] 1
Zootechny, Universidade Tecnológica Federal do Paraná, Campus Dois Vizinhos, Estrada para Boa Esperança, km 4 – Zona Rural, Dois Vizinhos, Paraná 85660-000, Brazil
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Universidade Tecnológica Federal do Paraná, Campus Dois Vizinhos, Estrada para Boa Esperança, km 4 – Zona Rural, Dois Vizinhos, Paraná 85660-000, Brazil
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Agronomy, Universidade Tecnológica Federal do Paraná, Campus Dois Vizinhos, Estrada para Boa Esperança, km 4 – Zona Rural, Dois Vizinhos, Paraná 85660-000, Brazil
Being the most consumed animal protein in the world, pig farming is also one of the most important rural activities in Brazil’s economy; Brazil is the fourth largest producer of pork meat in the world, with a production of 3.3 thousand tons, behind China, the European Union and the USA (USDA 2015). In 2014, the country exported around 505 thousand tons, a segment that contributes to the national PIB, as well as maintaining numerous families in the rural environment (USDA 2015; ABPA 2015). This way, it is essential that management techniques be constantly improved to result in better production rates and consequently higher profits. In terms of housing and handling, the new-born sta
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