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| Registros recuperados: 51 | |
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| Aranda,MA; Sgavioli,S; Domingues,CHF; Santos,ET; Nääs,IA; Moura,JB; Garcia,RG. |
| ABSTRACT Trade liberalization during the last decades has increased among nations as a result of decreased tariffs. However, during the same period, market agents have created new protection measures to replace such mechanisms in an attempt to promote the domestic economic stability of countries, while expanding and ensuring the trade between nations. Considering that Brazil is the second largest broiler producer and chicken-meat exporter worldwide, the present study proposed to analyze the main barriers imposed on Brazilian chicken meat imports by the ten major importing countries. This is a documentary research with primary and secondary data, of a descriptive-exploratory nature, under a qualitative approach. Semi-structured questionnaires including... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Poultry production; International trade; Exports; Protectionism. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000200312 |
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| Garcia,RG; Mendes,AA; Almeida Paz,ICL; Komiyama,CM; Caldara,FR; Nääs,IA; Mariano,WS. |
| This study aimed at evaluating total or partial replacement of corn by sorghum in broiler diets and at estimating the effect of the pigment supplementation on broiler performance, carcass and cuts yield, and possible breast and leg pigmentation. We used 1680 one-d-old Ross® 308 broilers. Birds were sexed and distributed according to a completely randomized design (2 x 3 + 1). Treatments consisted of a control diet based on corn and diets with two levels corn replacement by sorghum (50 and 100%) and three pigments levels, with four replicates of 60 birds per treatment. There was no effect (p > 0.05) of the dietary replacement of corn by sorghum on performance, carcass and parts yield, and no changes in breast and leg meat pH (p >0.05). Meat... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Birds; Meat quality; Pigments; Replacement of corn. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2013000300013 |
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| Baracho,MS; Nääs,IA; Lima,NDS; Cordeiro,AFS; Moura,DJ. |
| ABSTRACT The meta-analysis data were obtained from a survey of published articles over 15 years. The data were selected to classify the factors that impact broiler production and separated by influence aspects of animal production (thermal environment and other factors). The relevant data for each study were systematized, grouped and later tabulated and inserted into a database prepared in a spreadsheet. The variables used to analyze the thermal environment were temperature (comfort, high and low) and performance data (weight gain, feed intake, and feed conversion). The variables used for other features were ventilation (TER = tunnel + evaporative cooling, PP = positive pressure, NV = natural ventilation) and performance (feed conversion, live weight,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Poultry production; Animal production; Broiler genetic strain; Rearing environment.. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000300318 |
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| Vale,MM; Moura,DJ; Nääs,IA; Pereira,DF. |
| Climate may affect broiler production, especially where there are heat waves, which may cause high mortality rates due to the heat stress. Heat wave prediction and characterization may allow early mitigation actions to be taken. Data Mining is one of the tools used for such a characterization, particularly when a large number of variables is involved. The objective of this study was to classify heat waves that promote broiler chicken mortality in poultry houses equipped with minimal environmental control. A single day of heat, a heat-shock day, is capable of producing high broiler mortality. In poultry houses equipped with fans and evaporative cooling, the characterization of heat waves affecting broiler mortality between 29 days of age and market age... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Heat shock day; Heat wave; Mortality; Productivity losses. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2010000400010 |
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| Pilecco,M; Almeida Paz,IC de L; Tabaldi,LA; Nääs,IA; Garcia,RG; Caldara,FR; Andrela,GO. |
| Carcass quality is one of the main parameters to evaluate broiler welfare, and the presence of back scratches indicates that the birds were submitted to stress. The objective of this study was to identify the best management practices during rearing and catching, taking into consideration broiler genetic differences (genetic lines A and B) and sexes. The survey was carried out in 351 broiler houses belonging to an integrated company and located in the region of Dourados, MS, Brazil. Between January and October, 2010, 2% of broilers of all ages (one to 43 days old) in all flocks were sampled. The sampled flock was evaluated in 21 d intervals. Scratches were classified as present or absent. The results indicated that catching management has the strongest... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: AHP; Poultry production; Catching; Carcass. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2012000400007 |
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| Garcia,RG; Almeida,Paz ICL; Caldara,FR; Nääs,IA; Pereira,DF; Freitas,LW; Schwingel,AW; Lima,NDS; Graciano,JD. |
| Considering the importance of drinking water and its effect on broiler performance, drinking water quality was studied using six different litter materials. The presence of coliform bacteria and Escherichia coli was investigated. The following litter materials were used in the trial: wood shavings, rice husks, chopped Napier grass (Pennisetum pupureum), 50% sugarcane bagasse (Saccharum L.) + 50% wood shavings, 50% sugarcane bagasse (Saccharum L.) + 50% rice husks, and plain sugarcane bagasse (Saccharum L.). A number of 1620 Ross® one-day-old chicks were reared in 54 pens measuring 4.5 m² each, equipped with a bell drinker and a tube feeder. Water samples were collected in sterile tubes on days 28 and 42 of the rearing period, and submitted to the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Broiler health; Contamination; Welfare. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2010000300005 |
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| Garcia,RG; Almeida Paz,ICL; Caldara,FR; Nääs,IA; Bueno,LGF; Freitas,LW; Graciano,JD; Sim,S. |
| The aim of this study was to evaluate the effects of different litter materials on litter compaction, broiler feathering and the incidence of carcass lesions. In the experiment, 3240 one-day-old Ross® chicks were selected by sex and distributed according to a completely randomized experimental design in a 2 x 6 factorial arrangement (two sex and six litter materials). The following litter materials were used: wood shavings, rice husks, chopped Napier grass, 50% sugar cane bagasse plus 50% wood shavings, 50% sugar cane bagasse plus 50% rice husks, and pure sugar cane bagasse. Litter compaction was weekly assessed using a penetrometer. On days 21, 35 and 42 of the experimental period, feathering on the back and legs was scored according to a 0 - 10 scale. On... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Compaction; Fathering; Quality; Substrate. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2012000100005 |
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| Sgavioli,S; Santos,ET; Domingues,CHF; Quadros,TCO; Castiblanco,DMC; Andrade-Garcia,GM; Amoroso,L; Nääs,IA; Garcia,RG; Baraldi-Artoni,SM. |
| ABSTRACT Adequate environmental temperature control is essential for incubation efficiency. Layer breeder eggs (n=360) were weighed and distributed in a completely randomized experimental design with two treatments, consisting of two incubation temperatures (T1=37.5 °C, control; and T2=39.0 °C, hot), with two incubators per temperature, and 90 eggs per incubator, totaling 360 eggs. Hatchability, embryo mortality, and chick cloacal and body surface temperatures were not affected by incubation temperature. Eggs incubated at the hot temperature presented greater egg mass loss and higher eggshell conductance than those incubated at the control temperature. Layer chicks derived from eggs incubated at control temperature showed greater absolute weight, yolk-free... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Body weight; Cloacal temperature; Conductance; Hatchability; Loss of mass. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000600041 |
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| Nääs,IA; Miragliotta,MY; Baracho,MS. |
| O setor econômico de produção de matrizes pesadas emprega um grande número de pessoas que permanecem cerca de 44 horas semanais dentro tanto das granjas de recria e produção, como nas salas adjacentes à câmara incubatória. O trabalho levantou os dados de níveis de ruídos em um sistema de produção de matrizes pesadas e de ovos férteis, nos galpões de recria do tipo Dark House, e produção de ovos nas salas de vacinação de pintinhos e de acondicionamento de ovos férteis, em dois dias consecutivos, por um período de 8 horas, durante as horas em que os trabalhadores se encontravam dentro dos locais. Os registros de nível de ruídos foram efetuados utilizando-se um equipamento nível sonoro marca Lutron SL 4001. Foram coletados os dados médios de nível normal e de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Nível de ruído; Incubatório; Galpões; Aviário; Recria; Produção. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2001000200003 |
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| Jacob,FG; Baracho,MS; Nääs,IA; Lima,NSD; Salgado,DD; Souza,R. |
| ABSTRACT The most common lesions observed in commercial broiler farms are hock burns and pododermatitis, defined as necrotic lesions on the plantar surface of the footpads and in the hock of growing broilers, causing pain and compromising broiler welfare. The present study aimed at identifying the risks of hock burns and pododermatitis in broilers reared under commercial conditions on new or reused litter. Twenty-four 40-d-old broilers reared in two houses in a commercial broiler farm. The plantar surface of the footpads and the hocks of broiler were recorded using infrared thermal images. The incidence of hock burns in broilers reared on new litter was 0.72 times lower than those on reused litter. Broilers reared on new litter presented lower risk (0.75,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feet lesion; Litter; Poultry production. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000300357 |
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| 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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| Registros recuperados: 51 | |
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