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Carcass Washing as an Alternative to Trimming - Is It Possible to Use Carcass Washing as an Alternative to Trimming in Commercial Broiler Slaughterhouses in Brazil? Rev. Bras. Ciênc. Avic.
Santos,RA; Garcia,RG; Gandra,ERS; Burbarelli,MFC; Muchon,JL; Caldara,FR.
ABSTRACT This study aimed to evaluate visual contamination rates of carcasses of broilers slaughtered in establishments supervised by the Federal Inspection Service (SIF) and efficiency of carcass washing in replacement of trimming. The work was divided into three parts: analysis of partial and total carcass condemnation by contamination in hot (October to March) and cold (April to September) periods; evaluation of microbiological contamination before and after washing 800 carcasses (400 that did not go through washing x 400 that went through washing); and carcass washing test. For the test, twenty carcasses were evaluated in five treatments: carcasses without contamination - before washing; carcasses without contamination - after washing; contaminated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Condemnation; Poultry; Sanitation; Slaughter; Trimming.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2020000200309
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Carcass yield, sensory analysis and meat quality of broilers fed canola meal Animal Sciences
Moraes, Priscila; Novelini, Liliane; Lemes, Jaqueline Schneider; Santos, Marco Aurélio Ziemann dos; Pereira, Cláudio Martin Pereira de; Xavier, Eduardo Gonçalves.
This study aimed to evaluate the effect of dietary levels of canola meal on carcass yield, fatty acids profile, physical characteristics, chemical and sensory composition of breast meat of broilers. A total of 300 one-day-old, both sexes, Cobb broilers were assigned to a completely randomized design with five treatments and six replicates of ten birds each. Birds were given 0, 25, 50, 75 and 100% canola meal in place of soybean meal in the diet. After 42 days, four birds per replicate were slaughtered to analyze the carcass yield and the breast was used for analysis of fatty acid profile, sensory analysis and chemical and physical composition. The fatty acid profile was influenced by increasing levels of canola meal, decreasing (p < 0.05) the content of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.04.03.00-1 fatty acids; Nutrition; Poultry; Trained panel..
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/31247
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Challenges in organic egg-production related to the nutritional quality of foraging material and introduction of 100% organic feeding Organic Eprints
Steenfeldt, S.; Hammershøj, M..
Organc hens have daily access to foraging material and the quality are important for egg-production due to varying contents of amino acids (aa) and dietary fibres (Hammershøj and Steenfeldt, 2005; Steenfeldt et al., 2007). Supplying organic hens with appropriate amounts of protein and aa can become problematic with the introduction of 100% organic feed from 2012. The interest in growing protein sources nationally has increased in Denmark in consideration of the environment. Growing soybeans nationally would reduce import. Present hen genotypes used in organic egg-production have high nutrient-requirement, so using genotypes with lower protein-requirements could have some interesting perspectives.
Tipo: Conference paper, poster, etc. Palavras-chave: Poultry.
Ano: 2009 URL: http://orgprints.org/18530/1/18530.pdf
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Characterization and Digestibility of Detoxified Castor Oil Meal for Japanese Quails Rev. Bras. Ciênc. Avic.
Santos,PA dos; Ludke,MCMM; Ludke,JV; Rabello,CBV; Santos,MJB dos; Torres,TR.
ABSTRACT These experiments were performed to determine the chemical composition, coefficients of nutrient and energy metabolizability, amino acid composition, and cytotoxicity of different castor oil meals subjected to different detoxification processes and added to the diet of Japanese quails. In the trial, 180 46-d-old female Japanese quails were distributed according to a completely randomized design into five treatments and with replicates of six bird each. The treatments consisted of following detoxification methods of castor oil meal: Castor oil meal A (CMA) - recovery in alcohol at 80 °C for 20 minutes and drying at 80 °C; castor oil meal B (CMB) and C (CMC) - recovery in alcohol at 80 °C for 6 minutes, neutralization with 5% NaOH, and drying under...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative food; Poultry; Cytotoxicity; Digestibility; Energy.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2015001000065
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Chelated minerals for poultry Rev. Bras. Ciênc. Avic.
Vieira,SL.
Organic minerals have been subject of an increasing number of investigations recently. These compounds can be considered the most significant event regarding commercial forms of minerals targeting animal supplementation in the last decades. Minerals, especially metals, are usually supplemented in poultry feeds using cheap saline sources and have never required a lot of attention in terms of quality. On the other hand, definitions of organic minerals are very broad and frequently lead to confusion when decision-making becomes necessary. Organic minerals include any mineral bound to organic compounds, regardless of the type of existing bond between mineral and organic molecules. Proteins and carbohydrates are the most frequent candidates in organic mineral...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broiler; Chelated mineral; Organic mineral; Poultry.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000200001
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Chicken Supreme: How the Indonesian Poultry Sector Can Survive Avian Influenza AgEcon
Vanzetti, David.
Avian influenza is a deadly disease that can spread rapidly through poultry. There are many documented cases of transmission from birds to people, but as yet only rare instances of human to human transmission. Nonetheless, public health officials are concerned about the possibility of a human pandemic, and many countries have policies of banning imports of live birds and poultry meat from infected regions. The potential impacts on Indonesia of a production shock, a shift in consumption or a trade ban are assessed using a heterogeneous product model where imports are differentiated by source. Empirical results suggest the likely trade impacts in Indonesia are minimal because its trade is a small share of production.
Tipo: Conference Paper or Presentation Palavras-chave: Avian Influenza; Trade; Poultry; Indonesia; Livestock Production/Industries; F13; Q17.
Ano: 2007 URL: http://purl.umn.edu/10384
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Chopped Straw As A Litter In Sheepdrove Organic Farm Organic Silvo-Poultry System Organic Eprints
Pegg, Vanessa; Dyke, Kirstie; Pearce, Bruce.
A trial was undertaken to determine whether there was an advantage in using an alternative litter in the poultry field sheds, than the usual straw, on the Sheepdrove Organic Farms (SOF) silvo-poultry production system.
Tipo: Report Palavras-chave: Poultry.
Ano: 2003 URL: http://orgprints.org/10288/1/poultry_chopped_straw_dec_2003.pdf
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Classification of coefficients of variation in experiments with commercial layers Rev. Bras. Ciênc. Avic.
Faria Filho,DE; Dias,AN; Veloso,ALC; Bueno,CFD; Couto,FAP; Matos Júnior,JB; Barreto,KZO; Rodrigues,PA; Carneiro,WA.
This study aimed at determining a specific classification of coefficients of variation in experiments with commercial layers. Coefficients of variation were collected from papers published in Brazilian journals between 2000 and 2009 for performance, internal egg quality, and eggshell quality parameters. The coefficients of variation of each parameter were classified as low, intermediate, high, and very high according to the ratio between the median and the pseudo-sigma. It was concluded that the parameters used in experiments with commercial layers have a specific classification of coefficients of variation, and that this must be considered to evaluate experimental accuracy.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Experimental accuracy; Experimental statistics; Gallus domesticus; Poultry.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2010000400006
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Clostridium perfringens: a review of the disease in pigs, horses and broiler chickens Ciência Rural
Silva,Rodrigo Otávio Silveira; Oliveira Junior,Carlos Augusto; Guedes,Roberto Maurício Carvalho; Lobato,Francisco Carlos Faria.
Clostridium perfringens is a gram-positive, anaerobic, fermentative, spore-forming bacillus that may be found in the environment but is more commonly found as part of the microbiota of humans and animals. The bacterium is considered a common enteric pathogen; however, the pathogenesis and predisposing factors of the disease can differ among species. Therefore, specific studies are necessary for understanding the role of this pathogen, how to diagnose it and which control measures are applicable. The aim of this paper is to review the current knowledge regarding C. perfringens infections in pigs, horses and broiler chickens
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diarrhea; Enteritis; Equine; Swine; Poultry.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000601027
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Coconut Cake in Diets for Quail in the Laying Phase Rev. Bras. Ciênc. Avic.
Moraes,SS; Pereira,AA; Almeida,VVS; Lima Júnior,DM; Silva,WA; Mariz,CBL; Vieira,GMN; Silva,WA; Moreno,GMB.
ABSTRACT Currently, agro-industrial by-products have increasingly been used in animal feeding, as they constitute an alternative source of nutrients for the animal diet and a way to simultaneously reduce environmental pollution. The objective of this study was to examine increasing levels of inclusion of coconut cake in Japanese quail diets in the laying phase on their production performance and egg quality. A total of 360 Japanese quails were allotted to eight treatments with nine replicates and eight birds per experimental unit, in a randomized-block design. Five diets were formulated: a diet without inclusion of the by-product; and diets containing 3, 6, 9, and 12% coconut cake. The experiment lasted 63 days, with evaluations occurring at every 21 days....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative feed; Poultry; Production performance.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2020000100306
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Comment peut-on juguler les verminoses? Organic Eprints
Maurer, Veronika.
Dans l'élevage en plein air, il y a toujours et encore de nouvelles infestations de parasites gastro-intestinaux. L'objectif n'est donc pas tant d'éradiquer complètement ces infestations mais bien plutôt de les limiter à une mesure supportable. Le présent article décrit les résultats de deux études récemment effectuées par l'Institut de recherche de l'agriculture biologique (FiBL).
Tipo: Newspaper or magazine article Palavras-chave: Breeding and genetics; Health and welfare; Poultry.
Ano: 2011 URL: http://orgprints.org/18425/1/maurer%2D2011%2Daviculture%2Dsuisse.pdf
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Commercial laying hen diets formulated according to different recommendations of total and digestible amino acids Rev. Bras. Ciênc. Avic.
Casartelli,EM; Filardi,RS; Junqueira,OM; Laurentiz,AC; Assuena,V; Duarte,KF.
An experiment was conducted to evaluate different commercial laying hen diets formulated based on recommendations for total and digestible amino acids. One hundred and twenty Lohmann LSL commercial laying hens aged 25 weeks were distributed in a completely randomized experimental design involving five replications of six birds in four treatments. Diet formulation on a total amino acid basis followed the recommendations of NRC (1994) and Rostagno et al. (2000), whereas formulation on digestible amino acids basis was according to Rostagno et al. (2000) and Degussa (1997) recommendations. The experimental period was divided into five periods of fourteen days. Performance parameters (egg production, feed intake, feed conversion, egg mass) were evaluated for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Egg quality; Layers; Nutrition; Performance; Poultry.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2005000300007
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Comparative Evaluation of the Effects of Binzalkonium Chloride, Iodine, Gluteraldehyde and Hydrogen Peroxide Disinfectants against Avian Salmonellae Focusing on Genotypic Resistance Pattern of the Salmonellae Serotypes toward Benzalkonium Chloride Rev. Bras. Ciênc. Avic.
Aksoy,A; El Kahlout,KEM; Yardimci,H.
ABSTRACT Using disinfectants in poultry houses is a common practice to ban the zoonotic pathogens like Salmonella. A major concern in using disinfectants is the emergence of bacteria strains that resist some disinfectants. This phenomenon is manifested in the resistance of some Salmonella serotypes against quaternary ammonium compounds. Such resistance is attributed to qacEΔ1 gene which may be possessed by some Salmonella serotypes. This work aimed to evaluate the resistance of Salmonella serotypes (S. Typhimurium, S. Infantis and S. Entiridis) against different disinfectants (benzalkonium chloride, iodine, gluteraldehyde and hydrogen peroxide). The effect of the disinfectants were evaluated by treatment of the bacteria with different concentrations...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Disinfectants; PCR; Poultry; Resistance; Salmonella.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2020000100301
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Complements and Meat Demand in the U.S. AgEcon
Davis, Christopher G.; Stefanova, Stela; Hahn, William F.; Yen, Steven T..
In this study we estimated the price elasticities among meats, vegetables, grains, and potatoes and the impact that different levels of income have on the demand for these commodities. The 2005 Nielsen retail home scan data were used to construct a censored demand system of 14 equations. Results revealed that the uncompensated cross-price elasticities for both low and high-incomes suggest both substitution and complement relationships, while the compensated price elasticities are dominated primarily by substitution relationships. Our findings also revealed that expenditure elasticities among both low and high-income households differ for most commodities.
Tipo: Conference Paper or Presentation Palavras-chave: Censored dependent variables; Meats; Poultry; Fish; Vegetables; Sample selection model; Two-step estimation; Demand and Price Analysis; Livestock Production/Industries; C25; D12; Q11.
Ano: 2008 URL: http://purl.umn.edu/6406
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COMPUTATIONAL ANALYSIS OF LOAD VENTILATION IN BROILER TRANSPORT REA
Pinheiro,Daniel G.; Machado,Nítalo A. F.; Barbosa Filho,José A. D.; Silva,Iran J. O. Da.
ABSTRACT The characterization of ventilation during the transport of broiler chickens is essential for identifying and characterizing the potential problems of a convective heat flow and its effects on the welfare and the health and production conditions of the chickens. The objective of this study was to evaluate the ventilation patterns in two layout models of a live transport load: conventional (LC) and alternative (LA) with spacers placed between the chicken transport crates. Computational fluid dynamics (CFD) simulations and wind tunnel tests were performed using small scale models. The results showed that the use of spacers between crates (LA model) modified the ventilation patterns and increased the wind circulation between crates. However, wind...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Poultry; Animal welfare; CFD simulation; Precision livestock farming.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162021000100009
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COMPUTATIONAL FLUID DYNAMICS (CFD) APPLICATION FOR VENTILATION STUDIES IN BROILER HOUSES REA
Curi,Thayla M. R. de C.; Moura,Daniella J. de; Massari,Juliana M.; Mesquita,Márcio; Pereira,Danilo F..
ABSTRACT With the recent increase in the number of acclimatized broiler houses in Brazil, design and adaptation of facilities to withstand the tropical weather conditions enabling the maintenance of ideal conditions without increasing costs have been major challenges. The aim of this study was to evaluate the ventilation system in solid-wall broiler houses using computational fluid dynamics (CFD). The research was carried out in the city of Amparo - SP (Brazil). The facility consisted of a broiler house enclosed by masonry sidewalls with tunnel ventilation equipped with exhaust fans (air outlet) and cooling pads (air inlet). The following variables were collected: wind speed and dry bulb temperature over 27 equidistant points inside the house at bird...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broiler house; Computational modeling; Environmental control; Poultry; Thermal comfort.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000100001
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CONFINED ANIMAL PRODUCTION AND MANURE NUTRIENTS AgEcon
Gollehon, Noel R.; Caswell, Margriet; Ribaudo, Marc; Kellogg, Robert L.; Lander, Charles; Letson, David.
Census of agriculture data were used to estimate manure nutrient production and the capacity of cropland and pastureland to assimilate nutrients. Most farms (78 percent for nitrogen and 69 percent for phosphorus) have adequate land on which it is physically feasible to apply the manure produced onfarm at agronomic rates. (The costs of applying manure at these rates have not been assessed). Even so, manure that is produced on operations that cannot fully apply it to their own land at agronomic rates accounts for 60 percent of the Nation's manure nitrogen and 70 percent of the manure phosphorus. In these cases, most counties with farms that produce "excess" nutrients have adequate crop acres not associated with animal operations, but within the county, on...
Tipo: Report Palavras-chave: Manure; Nutrients; Manure nutrients; Animal waste; Confined livestock; Confined animal feeding operation; CAFO; Feedlot beef; Dairy cows; Swine; Poultry; Animal unit; Manure nitrogen; Manure phosphorus; Water quality; Livestock Production/Industries.
Ano: 2001 URL: http://purl.umn.edu/33763
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Contribitions de Maurice Clerc dan l'Agri 2010 Organic Eprints
Clerc, Maurice.
Maurice Clerc (2010): Comment faire soi-même de l'azote pour les grandes cultures bio. Agri, 09.07.2010, page 21 Veronika Maurer et Maurice Clerc (2010): Potentiels et limites des races de poules à double fin. Agri, 18.06.2010, page 16 Maurice Clerc, Paul Mäder et Alfred Berner (2010): Le travail réduit u sol est-il possible? Agri, 07.05.2010, page 23 Maurice Clerc (2010): Renaissance d'une plante: la caméline. Agri, 12.03.2010, page 21
Tipo: Newspaper or magazine article Palavras-chave: Composting and manuring; Soil tillage; Breeding and genetics; Poultry.
Ano: 2010 URL: http://orgprints.org/25780/1/Clerc_2010_Agri_4Artikel_fr.pdf
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Contribution of feeds from range in organic broiler production Organic Eprints
Steenfeldt, S.; Horsted, K.; Sørensen, P..
A study with organic broilers with access to a large range area with herbs was performed and the effect of three broiler genotype (JA757, T851, SU51) with different growth rates and different feeding strategies (HP vs LP) on the animals' feed intake, growth and welfare was investigated. The results so far indicate that feed intake from range and animal welfare is dependent on type of allocated feed and growth rate of the broiler genotype. Thus, gait scores and foot and plumage condition showed that the fastest growing broiler genotype had some problems when fed normal broiler feed, whereas this was not the case for the other genotypes. The fastest growing broilers also ate more pelleted broiler feed compared to the slower growing breeds, which in contrast...
Tipo: Proceedings Palavras-chave: Health and welfare; Poultry.
Ano: 2014 URL: http://orgprints.org/27352/1/Abstract%20EPC2014-final.pdf
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Contribution of feeds from range in organic broiler production Organic Eprints
Steenfeldt, S.; Horsted, K.; Sørensen, P..
A study with organic broilers with access to a large range area with herbs was performed and the effect of three broiler genotype (JA757, T851, SU51) with different growth rates and different feeding strategies (HP vs LP) on the animals' feed intake, growth and welfare was investigated. The results so far indicate that feed intake from range and animal welfare is dependent on type of allocated feed and growth rate of the broiler genotype. Thus, gait scores and foot and plumage condition showed that the fastest growing broiler genotype had some problems when fed normal broiler feed, whereas this was not the case for the other genotypes. The fastest growing broilers also ate more pelleted broiler feed compared to the slower growing breeds, which in contrast...
Tipo: Journal paper Palavras-chave: Feeding and growth; Breeding and genetics; Health and welfare; Poultry.
Ano: 2015 URL: http://orgprints.org/28908/3/28908.pdf
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