Influ?ncia da ilumina??o artificial no desempenho e sa?de de leit?es na fase de creche

• Main Author: Sousa J?nior, Vilmar Rodrigues de
• Other Authors: Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
• Language: Portuguese
• Published: UFVJM 2015
• Subjects: Ilumin?ncia; Leit?es; Lux; Desempenho; Creche
• Online Access: http://acervo.ufvjm.edu.br/jspui/handle/1/778

?rea de concentra??o: Produ??o animal === Submitted by Rodrigo Martins Cruz ([e-mail]) on 2015-12-22T12:13:05Z No. of bitstreams: 2 vilmar_rodrigues_sousa_junior.pdf: 525685 bytes, checksum: 6b5cf8f68fbb09851f53a993f9d39d69 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) === Approved for entry into archive by Rodrigo Martins Cruz ([e-mail]) on 2015-12-22T12:37:57Z (GMT) No. of bitstreams: 2 vilmar_rodrigues_sousa_junior.pdf: 525685 bytes, checksum: 6b5cf8f68fbb09851f53a993f9d39d69 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) === Made available in DSpace on 2015-12-22T12:37:57Z (GMT). No. of bitstreams: 2 vilmar_rodrigues_sousa_junior.pdf: 525685 bytes, checksum: 6b5cf8f68fbb09851f53a993f9d39d69 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2010 === Objetivou-se com esta pesquisa avaliar a influ?ncia da ilumina??o artificial, na creche, sobre o desempenho produtivo e estado sanit?rio dos leit?es e caracterizar as condi??es ambientais dentro das salas dos programas de ilumina??o artificial. O experimento foi realizado no Centro Nacional de Pesquisa em Su?nos e Aves (CNPSA-Embrapa), no Sistema de Produ??o de Su?nos, localizado no munic?pio de Conc?rdia, regi?o Oeste do Estado de Santa Catarina. O experimento foi realizado em dois per?odos, de 19 de junho de 2008 a 24 de julho de 2008 e de 10 de junho de 2009 a 15 de julho de 2009, com clima t?pico de inverno. Foram alocados seis animais em cada baia e utilizadas seis baias (blocos) centrais por sala. Os animais foram resultantes de cruzamento f?meas (Landrace x Large-White) e machos (MS 115), desmamados com 28,3 ? 2,1 dias de idade e peso de 9 ? 1,2 kg, de acordo com o manejo da granja. Os tratamentos foram associados ? ilumina??o da sala, sendo em cada uma aplicado um tratamento diferente: Programa LN - Ilumina??o natural (controle); Programa 16L:8E - Ilumina??o artificial de 16 horas di?rias de luz e 8 hora de escuro (16L:8E); Programa 23L:1E - Ilumina??o artificial de 23 horas di?rias de luz e 8 horas de escuro (23L:1E). As vari?veis analisadas foram: desempenho (ganho de peso di?rio, ganho de peso acumulado, consumo de ra??o di?rio, consumo de ra??o acumulado, consumo de ?gua di?rio); ocorr?ncia de diarr?ia nos leit?es; vari?veis meteorol?gicas (temperatura de bulbo seco, umidade e velocidade do ar) e ilumin?ncia. O planejamento experimental foi em blocos completos casualizados, com tr?s tratamentos, duas repeti??es e 35 dias de medi??o e as m?dias comparadas pelo teste t. N?o houve influ?ncia da ilumina??o sobre as vari?veis de desempenho. A frequ?ncia de diarr?ia n?o foi influenciada pelos programas de ilumina??o. As diferen?as encontradas nas vari?veis meteorol?gicas n?o influenciaram o desempenho dos su?nos. Os programas de ilumina??o avaliados n?o apresentaram melhorias no desempenho dos leit?es em fase de creche que justificassem a sua utiliza??o. === Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Zootecnia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, [2010]. === ABSTRACT The objective of this research was to evaluate the influence of artificial lighting in the nursery, on performance and sanitary conditions of piglets and characterize the environmental conditions inside the rooms of the programs of artificial lighting. The experiment was held at the National Center for research on pigs and poultries (CNPSA-EMBRAPA), the system of pig production in the city of Concordia, west of the state of Santa Catarina. The experiment was conducted in two periods, from June, 19 to July, 24 of 2008 and June, 10 to July, 15 of 2009, with typical winter weather. Six animals were allocated in each stall and used six stalls (blocks) in central room. The animals resulted from a cross between females (Landrace x Large White) and males (MS 115), weaned at 28.3 ? 2.1 days of age and weight of 9 ? 1.2 kg, according to the management of the poultry farm. The treatments were associated with the lighting of the room, being assigned to each one a different treatment: LN Program - natural lighting (control); Program 16L: 8E - Artificial lighting with 16 hours of light and 8 hours of dark (16L: 8E). Program 23L: 1E - Artificial lighting with 23 hours of light and 8 hours of dark (23L: 1D). The analyzed variables were: performance (daily weight gain, total weight gain, daily feed intake, total feed intake, daily water consumption), diarrhea in piglets; meteorological variables (dry bulb temperature, humidity and speed air) and illuminance. The experimental planning was in randomized complete blocks with three treatments, two repetitions and 35 days of measurement and the averages compared by t test. There was no influence of illumination on the performance variables. The frequency of diarrhea was not influenced by lighting programs. The differences in meteorological variables did not influence the performance of pigs. The evaluated lighting programs did