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ACOUSTIC ENVIRONMENT AND GAS PRODUCTION IN DIFFERENT GROWING-FINISHING SWINE FACILITIES REA
Andrade,Rafaella R.; Campos,Alessandro T.; Cecchin,Daiane; Sousa,Francine A.; Amaral,Pedro I. S..
ABSTRACT This study aimed to evaluate gas levels and the acoustic environment (noise) of growing-finishing swine in different facilities, one composed of shallow pool (SP) and another of partially slatted floor (PSF). Sensors and a sound level meter were used to measure gas concentrations (CO2 and NH3) and noise at 1.50 meters above the ground and at animal height. Data on gas concentrations and noise levels were measured at 9am, 12pm, and 3 pm. Results showed differences (P<0.05) between noise levels at animal height and gas concentrations measured in relation to stall type and data collection time. The highest noise values were found in the shallow pool stall, measured at animal level. The highest NH3 (13 ppm) and CO2 (1174.5 ppm) values were observed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ambience; Welfare; Air quality; Noise.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162016000600953
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Agricultural Market Structure, Generic Advertising, and Welfare AgEcon
Cardon, James H.; Pope, Rulon D..
This analysis begins with a definition and discussion of productive advertising. Then, following Dixit and Norman, persuasive advertising is used to study the welfare effects of generic advertising by marketing orders. The study first examines horizontal competition when the competing advertiser is a monopoly, and results show that the socially optimal level of advertising for a competitive marketing order is positive only if advertising raises monopoly output. Next, advertising choices of a marketing order which sells its output to a monopolistic distributor are considered. If the distributor is a monopolist, then marketing order advertising raises welfare. This finding is in marked contrast to the results for the horizontal case studied by Dixit and...
Tipo: Journal Article Palavras-chave: Advertising; Market structure; Welfare; Marketing.
Ano: 2003 URL: http://purl.umn.edu/31098
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Agricultural trade policy reform in South Africa AgEcon
Chitiga, Margaret; Kandiero, Tonia; Ngwenya, P..
This paper empirically investigates the impact of agricultural trade reform in South Africa. Using UNCTAD’s Agricultural Trade Policy Simulation Model (ATPSM), the study investigates two specific scenarios that capture the magnitude of (i) the economic impact of global agricultural trade reform in South Africa and (ii) the economic impact if the reform in South Africa is coupled with agricultural reforms in the European Union (EU). Trade reform focuses on substantial tariff reduction; although in the case of the EU, scenarios also include reduction in domestic support and export subsidies. The results show that a unilateral tariff reduction in a selected number of agricultural products amounts to welfare gains of US$21 million. These gains are three times...
Tipo: Journal Article Palavras-chave: Agricultural trade; Trade policy reform; Welfare; Agricultural Trade Policy Simulation Model; Agricultural and Food Policy; International Relations/Trade.
Ano: 2008 URL: http://purl.umn.edu/5967
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An assessment of farmer’s risk exposures and policy impacts on farmer’s risk management strategy AgEcon
Anton, Jesus; Kimura, Shingo.
This paper describes farmer’s exposures to risks at the individual farm level and develops a model representing the decisions of an individual risk averse farmer facing variability in both prices and yields. A set of stylised risk market instruments is represented. The model is calibrated using farm level data from Germany. Monte-Carlo simulations of the random variables are run, and the corresponding optimal responses are obtained. The main focus of this paper is the interactions between government payments and the farmers’ use of risk market instruments in terms of the potential crowding out of such instruments and impacts on farm return and welfare. Unlike other studies this paper models farming response to payments in terms of production and the use of...
Tipo: Conference Paper or Presentation Palavras-chave: Risk; Welfare; Crop yield insurance; Forward contracting and Single Farm Payment; Agricultural and Food Policy; Farm Management; Risk and Uncertainty.
Ano: 2009 URL: http://purl.umn.edu/57663
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AN ECONOMIC ANALYSIS OF INTERNATIONAL FEED AND MALTING BARLEY MARKETS: AN ECONOMETRIC SPATIAL OLIGOPOLISTIC APPROACH AgEcon
Schmitz, Troy G.; Koo, Won W..
A "hybrid" spatial price equilibrium model is developed to evaluate changes in production, consumption, and trade of feed and malting barley under alternative domestic and agricultural trade policy regimes. The analysis includes the economic welfare impacts of changes in various farm subsidy programs on the United States, Canada, Australia, and European Union (EU-15) which are the four major barley exporting countries in the world. The actions of competitive U.S. grain traders under the Export Enhancement Program cause feed barley exports to be segmented into two distinct markets. A spatial equilibrium is established in which the Canadian Wheat Board and Australian marketing boards behave as oligopolists in export markets under arbitrage conditions induced...
Tipo: Working or Discussion Paper Palavras-chave: Malting; Feed; Farm Subsidy; Trade Policy; Export Market; Welfare; International Relations/Trade.
Ano: 1996 URL: http://purl.umn.edu/23286
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An Economic Analysis of Quarantine: The Economies of Australia's Ban on New Zealand Apple Imports AgEcon
Arthur, Matthew.
The quarantine policy decision-making process in Australia is subject to the principles of the World Trade Organisation's SPS Agreement. It is primarily based on the risks and associated economic costs accruing to producers in the event of disease entry. The costs of a quarantine measure in terms of forgone trade benefits are not considered. The impact associated with this asymmetric approach is identified by demonstrating the gains to consumers which may arise through liberalised markets using a case study of the Australian apple industry. A partial equilibrium analysis is used to show the impacts of apple market liberalisation, which can be expected to yield gains to consumers which are greater than the economic costs to on producers.
Tipo: Conference Paper or Presentation Palavras-chave: Quarantine; Trade; Liberalisation; Apples; Welfare; Food Consumption/Nutrition/Food Safety; International Relations/Trade.
Ano: 2006 URL: http://purl.umn.edu/31959
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An Overview and Assessment of The Economics of Leisure AgEcon
Tisdell, Clement A..
This is a draft of the introductory chapter for The Economics of Leisure which is being published by Edward Elgar Publishing Pty Ltd, Cheltenham, UK, and Northampton, Massachusetts, by whom all rights are reserved. It will appear in The International Library of Critical Writings in Economics series, in two volumes. The draft Table of Contents for these volumes are set out in the Appendix to this paper. Feedback is welcome
Tipo: Working or Discussion Paper Palavras-chave: Leisure; Recreation; Work-leisure choices; Neoclassical economics; Welfare; Taxation; Public Economics; Teaching/Communication/Extension/Profession.
Ano: 2005 URL: http://purl.umn.edu/90540
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Application of Pricing Strategy in the Management of Recreational Fishery AgEcon
Zhang, Chen; Han, Xingyong.
This paper analyzes the feasibility of carrying out various pricing strategies in recreational fishery management. It also introduces the four common pricing means, which are time (season) differential pricing, customer differential pricing, quantity discount and two-part tariff system. The effects of pricing strategy of recreational fishery on social welfare are studied taking time (season) differential pricing as an example.
Tipo: Thesis or Dissertation Palavras-chave: Recreational fishery; Pricing strategy; Welfare; China; Community/Rural/Urban Development; Demand and Price Analysis; Livestock Production/Industries; Resource /Energy Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/53526
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Assessing locomotion deficiency in broiler chicken Scientia Agricola
Nääs,Irenilza de Alencar; Paz,Ibiara Correia de Lima Almeida; Baracho,Marta dos Santos; Menezes,Adriana Gomes de; Lima,Karla Andrea Oliveira de; Bueno,Leda Gobbo de Freitas; Mollo Neto,Mario; Carvalho,Victor Ciaco de; Almeida,Ianê Correia de Lima; Souza,Anderson Luiz de.
Locomotion deficiencies in broiler production cause poor welfare and lead to change in drinking and feeding behavior with consequent loss in weight gain. This research aimed to assess locomotion deficiencies in broiler chicken by analyzing the vertical peak force on both feet during walk. A chamber was built with an inlet ramp, a horizontal walkway in the middle and an outlet ramp. In the walkway a thin mat with piezoelectric crystal sensors was placed to record the step vertical peak force of the feet while walking on the force platform. The measurement system consisted of a mat with electronic sensors and software that allowed real time recording of the forces and the processing and analysis of data. Footage was taken from two digital video cameras and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Poultry production; Gait scoring; Feet force measurement; Welfare.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000200001
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Assessment of the Impact of Avian Influenza Related Regulatory Policies on Poultry Meat Trade and Welfare AgEcon
Wieck, Christine; Schlueter, Simon W.; Britz, Wolfgang.
We use two methodological approaches to analyze avian influenza related quarantine measures. First, a Heckman type gravity model is used to estimate the trade impact and second, a spatial partial equilibrium simulation model is developed to simulate welfare changes. The simulation model considers spread and transmission risk according to the disease status of the importing country as well as parameter uncertainty of the calibrated coefficients by using a Monte Carlo approach. The econometric results show that the principle of regionalization is preferred to import trade bans for uncooked meat. The simulation results verify the negative welfare impact of currently implemented regulatory policies and indicate that significant trade diversion effects...
Tipo: Working Paper Palavras-chave: Animal disease; Quarantine measure; Non-tariff measure; Welfare; Gravity model; Simulation model; Agricultural and Food Policy; Demand and Price Analysis; F14; F17; Q11; Q17; Q18.
Ano: 2012 URL: http://purl.umn.edu/122022
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Avian Influenza outbreaks and poultry production mitigation strategies in the U.S. AgEcon
Mu, Jianhong H.; McCarl, Bruce A..
In this paper, two AI mitigation strategies are examined, quarantine and vaccination. Meanwhile, associated welfare changes are evaluated by using FASOM. Results found that changes of total national welfare of U.S are insignificant with or without vaccination. Once comes to livestock producers, impacts become significant although magnitudes are small. For example, under 20% demand shocks, vaccination strategy dominates no vaccination at the production, market and national level. However, vaccination has no advantage when there is no demand shifts.
Tipo: Conference Paper or Presentation Palavras-chave: AI outbreak; Mitigation strategies; Vaccination; Demand shift; FASOM; Welfare; Agricultural and Food Policy; Consumer/Household Economics; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; Health Economics and Policy; Q1.
Ano: 2010 URL: http://purl.umn.edu/116452
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Behavior and performance of broiler strains reared under semi-intensive system with shaded areas Rev. Bras. Ciênc. Avic.
Barbosa Filho,JAD; Silva,MAN; Silva,IJO; Coelho,AAD; Savino,VJM.
The matter of animal welfare has led to studies in order to evaluate alternative rearing systems for livestock in order to improve well-being. The semi-intensive system is an alternative method of rearing broilers in which the birds are kept in a poultry house and have free access to a pasture area during the day. It is known that ambient conditions may directly affect the behavior of birds reared in the semi-intensive system. Therefore, this research evaluated the behavior of four broiler strains reared under a semi-intensive system with a shaded area (provided by a black plastic screen - 50%) and the bioclimatic characteristics of this environment when compared with the non-shaded pasture. Thirty-five birds were reared in pens with 4.5 m² and 35 m² of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adaptation; Broiler; Semi-intensive system; Welfare.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2005000400003
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Behavior of beef cattle and the microclimate with and without shade - doi: 10.4025/actascianimsci.v34i4.15055 Animal Sciences
Baliscei, Marcio Antonio; Instituto Paranaense de Assistencia Tecnica e Extencao Rural; Souza, Wander de; Instituto Paranaense de Assistência Técnica e Extensão Rural; Barbosa, Orlando Rus; Universidade Estadual de Maringá; Cecato, Ulysses; Universidade Estadual de Maringá; Krutzmann, Alexandre; Universidade Estadual de Maringá; Queiroz, Edicarlos de Oliveira; Universidade Estadual de Maringá.
It was evaluated the intake behavior of Nellore steers in system without shade (WS), and silvopastoral system (SP) maintained in star grass (Cynodon plectostachyus) in summer and winter. Twenty-four Nellore steers were used (12 in each system), mean age 18 months and weight of 294.5 kg. The design was completely randomized with two seasons, two treatments, 24 hours and 12 repetitions. The observations were conducted in three days, for 24 hours, with an interval of 15 minutes, with effect of the hour on the grazing behavior (GRAZ) with a maximum of 52.1% and lying ruminating (LYRUM) with a minimum of 12.3%, both at 14h. The lying idle (LYIDL) was influenced by hour with a minimum of 11,6%at 14h, and by season, with 23.9% in summer, and 13.9%, in winter....
Tipo: Pesquisa de campo Palavras-chave: Welfare; Season; Nelore; Shadow welfare; Season; Nelore; Shadow.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/15055
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Behavior of immunocastrated pigs R. Bras. Zootec.
Santos,Rita de Kássia Silva dos; Caldara,Fabiana Ribeiro; Moi,Marta; Santos,Luan Sousa dos; Nääs,Irenilza Alencar; Foppa,Luciana; Garcia,Rodrigo Garófallo; Borquis,Rusbel Raul Aspilcueta.
ABSTRACT The objective of this study was to evaluate the behavior of immunocastrated male pigs compared with females and castrated males during the period before and after full immunization. A total of 30 animals were divided into three treatments, with ten animals in each (females, barrows, and immunocastrated males). The experiment was divided into three periods: 70 to 80 days of age (period 1), 81 to 110 days of age (period 2), and 111 to 140 days of age (period 3). The behavior of animals during these stages was evaluated. Immunocastrated males showed a higher rate of aggressive and sexual behavior during period 2, which decreased after the second vaccine dose. Both barrows and immunocastrated males presented high locomotion in period 1, reducing the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immunocastration; Sexual activity; Sus scrofa; Swine production; Welfare.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000900540
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Behaviour of pre-parturient sows housed in intensive outdoor or indoor systems. Repositório Alice
HÖTZEL, M.J.; MACHADO FILHO, L.C.P.; COSTA, O.A.D..
This work compared the behaviour of pre-parturient sows housed in intensive confined and outdoor systems, during the morning and afternoon prior to delivery. Eight sows were kept individually in farrowing crates or in paddocks with access to fresh pasture from 8 to 10 days before expected parturition. All outdoor sows built a nest within 24 hours before farrowing. On the morning and afternoon before farrowing they spent 6.5% of the time collecting grass and 7.5% of the time organizing the nest. Outdoor sows were observed more often than confined sows rooting (4.60% vs. 0.25%), feeding (10.2% vs. 3.0%), standing (51% vs. 13%) and walking (8% vs. 0%). Indoor sows redirected the nesting behaviour to other behaviours like attempts to dig the ground, nosing,...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Farrowing; Welfare; Housing; Husbandry system; Pré-parto; Bem-estar; Alojamento; Sistema de criação.
Ano: 2005 URL: http://www.alice.cnptia.embrapa.br/handle/doc/113861
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Behaviour of pre-parturient sows housed in intensive outdoor or indoor systems PAB
Hötzel,Maria José; Machado Filho,Luiz Carlos Pinheiro; Dalla Costa,Osmar Antônio.
This work compared the behaviour of pre-parturient sows housed in intensive confined and outdoor systems, during the morning and afternoon prior to delivery. Eight sows were kept individually in farrowing crates or in paddocks with access to fresh pasture from 8 to 10 days before expected parturition. All outdoor sows built a nest within 24 hours before farrowing. On the morning and afternoon before farrowing they spent 6.5% of the time collecting grass and 7.5% of the time organizing the nest. Outdoor sows were observed more often than confined sows rooting (4.60% vs. 0.25%), feeding (10.2% vs. 3.0%), standing (51% vs. 13%) and walking (8% vs. 0%). Indoor sows redirected the nesting behaviour to other behaviours like attempts to dig the ground, nosing,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Farrowing; Welfare; Housing; Husbandry system.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2005000200010
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Bem-estar e produção animal. Infoteca-e
ANDRIOLI, A.; BRITO, I. F..
Mudanças no conceito de visão do mundo das pessoas estão mudando devido à limitação dos recursos naturais, questões de origem ética sobre o bem-estar de animais, emergência e re-emergência de enfermidades e qualidade dos alimentos. A sociedade começou a se interessar mais em saber como seu alimento é produzido e exigir produtos que sejam ?limpos, verdes e éticos?, em que se preconiza o uso de práticas que minimizem ou evitem completamente tratamentos químicos ou hormonais nos animais e preservem, dessa forma, a saúde humana. Bem-estar é um termo amplo que inclui uma somatória de elementos que contribuem para a qualidade de vida do animal, levando-o a um bom estado de harmonia com o seu ambiente, caracterizado por condições físicas e fisiológicas adequadas....
Tipo: Documentos (INFOTECA-E) Palavras-chave: Bem-estar; Comportamento animal; Ecologia animal; Welfare; Animal behaviour.
Ano: 2009 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/748310
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Broiler Pre-Slaughter Water Diet with Grass Lemongrass (Cymbopogon Citratus Stapf) Rev. Bras. Ciênc. Avic.
Garcia,RG; Royer,AF; Nääs,IA; Borille,R; Santana,M; Caldara,FR.
ABSTRACT The pre-slaughter management is one of the predisposing factors to the reduction in the quality of the carcass and broiler meat, mainly for being a stressful condition. This study evaluates the inclusion of lemongrass (Cymbopogon citratus Stapf) in the water used in the diet of pre-slaughter broilers for the first time. The carcass and meat quality parameters were evaluated. The experiment was carried out in the poultry production of an experimental sector of the Federal University of Grande Dourados - UFGD. A total of 2,594 broilers were distributed in an entirely randomized design in a factorial arrangement of 3x2x2, with three different lemongrass concentrations in the form of infusion (0. 1 and 5 g/L), two sexes and two genetic strains (Ross...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Meat; Welfare; Phytotherapy; Pre-slaughter; Meat quality.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000400725
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Broiler Surface Temperature and Behavioral Response under Two Different Light Sources Rev. Bras. Ciênc. Avic.
Araújo,FE; Garcia,RG; Nääs,IA; Lima,NDS; Silva,RBTR; Caldara,FR.
Light is an important environmental variable for the regulation and control of broiler behavior. Some light sources may also add heat to the rearing environment, and indirectly affect the heat exchange between the birds and the environment. This study aimed at investigation the surface temperature and behavioral response of broilers reared in an environment with monochromatic light emitted diode (LED). Broilers were reared inside commercial dark houses under two treatments: fluorescent or LED light sources. Bird surface temperature and behavior was monitoredfrom the first day of grow-out. The houses were virtually divided in four quadrants, and the variables were monitored in the geometric center of each quadrant. Surface temperature results were mapped,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Monochromatic light; LED; Welfare; Broiler activity.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2015000200219
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Broiler walking ability and toe asymmetry under harsh rearing conditions Rev. Bras. Ciênc. Avic.
Baracho,MS; Nääs,IA; Bueno,LGF; Nascimento,GR; Moura,DJ.
Morphological asymmetry has been described as a potential broiler welfare indicator, for interpreting the birds' ability to cope with the challenges that may affect its growth. The objective of this study was to evaluate the use of morphological asymmetry data to estimate broiler walking ability and welfare.dBroilers werefed diets supplemented or not with vitamin D. Toes were measured when birds were 42 and 49 days old using digital caliper.the left and right sides of the following four bilateral traits (tarsometatarsus length, outer toe length, mid toe length, and back toe length) were measured twice on intact alive birds by two different researcherh. Data from right and left sides were compared in the two treatments using the Student t-test, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Asymmetry; Welfare; Poultry.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2012000300009
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