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Registros recuperados: 5
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Evaluation of litter material and ventilation systems in poultry production: I. overall performance R. Bras. Zootec.
Abreu,Valéria Maria Nascimento; Abreu,Paulo Giovanni de; Coldebella,Arlei; Jaenisch,Fátima Regina Ferreira; Silva,Virginia Santiago.
The objective of the present work was to evaluate the performance, mortality and the incidence of lesion on the foot-pad of broilers and litter enterobacteriaceae load in two ventilation systems and two litter materials. The experiment was carried out in four 12 m × 10 m broiler houses, internally divided in 4 pens, with 200 birds/pen for four consecutive flocks, each one with 42 days of duration and interval of 15 days of downtime between flocks. It was evaluated two ventilation systems (stationary and oscillating fans), and two litter materials (soybean straw and rice husks). Performance variables studied were body weight, weight gain, feed conversion ratio and mortality of birds at 21, 35, and 42 days of age. Flock mortality was daily recorded, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broilers; Oscillating ventilation; Rice husks; Soybean straw; Stationary ventilation.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000600027
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Evaluation of litter material and ventilation systems on poultry production: II. thermal comfort R. Bras. Zootec.
Abreu,Paulo Giovanni de; Abreu,Valéria Maria Nascimento; Coldebella,Arlei; Jaenisch,Fátima Regina Ferreira; Paiva,Doralice Pedroso de.
The objective of this study was to evaluate environmental thermal conditions in broiler houses with two different ventilation systems and two different litter materials. The experiment was carried out in four 12 m × 10 m broiler houses, internally divided in 4 boxes/poultry house, with 200 birds/pen for four consecutive flocks, each one with a duration of 42 days with 15 days of downtime between flocks. Treatments tested were two ventilation systems (stationary or oscillating fans), and two types of litter materials (soybean straw or rice husks). It was collected in the center of each pen and in the external enviroment, dry and wet bulb temperatures, black globe temperature, and air velocity. These data were collected at 3-hour intervals from 8:00 a.m. to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broilers; Oscillating ventilation; Rice husks; Soybean straw; Stationary ventilation.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000600026
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Rice hull ash as a source of silicon and phosphatic fertilizers: effect on growth and yield of rice in coastal Karnataka, India International Rice Research Institute
Prakash, N. B.; Nagaraj, H.; Guruswamy, K. T.; Vishwanatha, B. N.; Narayanaswamy, C.; Gowda, N. A. J.; Vasuki, N.; Siddaramappa, R..
p.34-36
Tipo: Article Palavras-chave: Rice husks; Ash; Silicon; Phosphate fertilizers; Growth; Yields; India.
Ano: 2007 URL: http://hdl.handle.net/10269/110
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Selecting appropriate bedding to reduce locomotion problems in broilers Rev. Bras. Ciênc. Avic.
Almeida Paz,ICL; Garcia,RG; Bernardi,R; Nääs,IA; Caldara,FR; Freitas,LW; Seno,LO; Ferreira,VMOS; Pereira,DF; Cavichiolo,F.
Two experiments were carried out at the Poultry Sector of the School of Agrarian Sciences of the Federal University of Grande Dourados to evaluate the incidence of leg problems in broilers reared on two distinct types of bedding material: rice husks or wood shavings, both new and reused. In both trials, a randomized experimental design was applied in factorial arrangement (2 x 2 x 2) using two genetic strains (Cobb® or Ross®); two sexes (male or female), and two litter materials (rice husks or wood shavings). In each trial 1080 one day pullets were reared equally divided in the treatments. The birds were placed in 4.5 m² boxes at a density of 10 birds m-2. All birds were fed diets with equal nutritional density, and water was offered ad libitum. Feeds were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gait score; Leg problems; Multicriteria analysis; Rice husks; Wood shaving.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2010000300008
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The effect of nitrogen on rice grain iron International Rice Research Institute
Prom-u-thai, C.; Rerkasem, B..
p.37-38
Palavras-chave: Nitrogen fertilizers; Iron; Chemical composition; Glumes; Cereal grains; Rice husks; Application rates; Cultivars; Varietal reactions.
Ano: 2003 URL: http://hdl.handle.net/123456789/1244
Registros recuperados: 5
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