Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Advancing Integrated Pest Management for Dermanyssus gallinae in laying hen facilities
Mul, Monique F. - \ 2017
University. Promotor(en): Peter Groot Koerkamp; Marcel Dicke, co-promotor(en): Bastiaan Meerburg; D.R. George. - Wageningen : Wageningen University - ISBN 9789463430036 - 194
hens - integrated pest management - dermanyssus gallinae - chicken housing - poultry housing - cages - animal production - poultry - animal health - hennen - geïntegreerde plagenbestrijding - huisvesting van kippen - pluimveehokken - kooien - dierlijke productie - pluimvee - diergezondheid

Pest and diseases in agricultural systems reduce the yield and quality of available food and feed worldwide. To meet the global growing demand for these products, losses should be reduced, preferably in a sustainable way. Integrated Pest Management (IPM) is a sustainable method that aims to minimize economic losses due to pests and diseases. IPM is generally based on eight steps: 1) prevention, 2) monitoring, 3) Decision‐making based on monitoring and thresholds, 4) use of non‐chemical methods, 5) pesticide selection, 6) reduced pesticide use, 7) anti‐resistance strategies, and 8) evaluation. With these steps, it is possible to prevent and control pests and diseases whilst deploying pesticides only as a last resort, thus reducing issues with pesticide contamination and resistance. Implementation of IPM by farmers increases when it is clear that it is compatible with existing farm processes and that it results in benefits for them.

Successful IPM is most commonly applied against pests and diseases in crop production. When comparing the number of research articles on IPM in crop production with the number of research articles on IPM in animal production, it becomes clear that a paucity of scientific papers have been published on the latter. In laying hen facilities, for example, the application of all but basic IPM is still rare, even though the benefits of IPM have been described for poultry pests and disease vectors. In laying hen facilities Dermanyssus gallinae (PRM=poultry red mite), an hematophagous parasite, is common in many parts of the world. This mite is hard to control and negatively affects hen health, ‐welfare and farm economics, with estimated costs of infestation reaching 130 million euro per year in Europe. Currently, implementation of IPM for D. gallinae in laying hen facilities is limited to some combination of cleaning between flocks, limited preventive measures, and application of chemically or physically acting products. Implementation of more advanced IPM programmes for D. gallinae should therefore be considered to improve control prospects for this pest in laying hen facilities.

This thesis focuses on the knowledge necessary for advancing IPM for D. gallinae in laying hen facilities. More specifically it focuses on prevention, monitoring and population modelling of this significant pest, with preventive measures and monitoring being key in advancing IPM per se.

Knowledge assessment. To develop IPM for D. gallinae in laying hen facilities, biological and ecological knowledge of D. gallinae and knowledge of the effects of biotic and a‐biotic factors on this pests’ population development are required (Chapter 2). Therefore, a seminar was organized with eighteen D. gallinae researchers, from eight different European countries, with the aim of amassing existing expertise. This seminar gave insight into the current knowledge and knowledge gaps, regarding D. gallinae, also informing future perspectives and required developments for improving control of D. gallinae in laying hen facilities. During four sessions, the researchers present discussed lifecycle issues, effects of D. gallinae on hen and egg production, monitoring methods for D. gallinae infestations in laying hen facilities and control methods for D. gallinae in laying hen facilities. It was concluded that, where the D. gallinae lifecycle is concerned, a lot is still unknown about the mites feeding behaviour and preferences, mating behaviour, survival and conditions required for reproduction, host finding, aggregation cues, and attractant and repellent substances. When focusing on the effects of D. gallinae on the hen and on egg production it was agreed that a D. gallinae infestation is likely to result in higher water intake, lower egg production, lower feed conversion, increase of the immune response and reduced feather quality. It was also suggested that these effects may be hen genotype dependent, and further noted that effects are rarely quantified and need further investigation. Though monitoring was considered to be most important to improve control of D. gallinae, it was concluded that the available monitoring methods only indicate trends and a robust monitoring plan is lacking. The participants considered heating the hen house combined with a chemical treatment to be the most promising control method. Future promising developments for control of D. gallinae were considered to be use of vaccination, predatory mites and entomopathogenic fungi. The effects of D. gallinae on human health were not extensively discussed, but it was concluded that D. gallinae can be of medical significance, either directly via reaction to mite bites, or indirectly via human exposure to the chemicals used to control D. gallinae.

Prevention. To acquire knowledge on the routes of introduction and spread of D. gallinae in laying hens facilities, the Hazard Analysis and Critical Control Points (HACCP) system was used (Chapter 3). The structure of this system allows the user to identify the risk factors and the critical control points for the introduction and spread of pathogens and parasites. This method was further used to identify preventive and corrective actions against D. gallinae. Four experts identified 41 hazards for introduction and spread of D. gallinae in laying hen facilities. To prevent these hazards, these experts made several suggestions for corrective actions. The risks of 41 hazards were calculated by multiplying the likelihood (1= occurring seldomly/theoretically; 2= occurring approximately once a year; 3= occurring repeatedly/more than once a year) by the severity (1 = low / single place in the facility becomes infested with D. gallinae; 2= moderate/ facility becomes infested at more than one location; 3= high/ D. gallinae infestation occurs at almost all places within the laying hen facility) of infestation. Hazards with a risk above 3, or with a severity of 3, were regarded as Critical Control Points (CCP’s). The CCP’s with the highest risks (risk of 6 and higher) for introduction of D. gallinae in laying hen facilities were: introduction of new flocks, containers and crates, the farmer and their employees. The CCP’s with the highest risks (risk of 6 and higher) for spread of D. gallinae between laying hen facilities were mice, rats and flies, wild birds, the feeding system, shared material and equipment, the egg conveyer belt, manure aeration pipes, removal of cadavers, visitors and external personnel, the farmer and their employees. The critical limits, a procedure step of the HACCP system which will be followed by a corrective action when the limit is exceeded, could not be determined as a result of lack of knowledge about thresholds. Subsequently, suggestions were made for monitoring the mite population and for documentation and validation. A checklist was devised using the corrective action from the CCP’s with the highest risks. This management tool for layer farmers was evaluated by UK and Dutch layer farmers as feasible and useful.

Monitoring. The approach of Reflexive Interactive Design (RIO) was used to design an automated monitoring tool for D. gallinae, including an automated mite detection sensor (Chapter 6). The approach generated effective and technically feasible solutions for the key functions of the automated mite detection sensor, these being 1) the assessment of the D. gallinae population, 2) localizing the location and assessing the time of detection and 3) removal of mites from the detection area. Three different design concepts were designed using these solutions. As an additional, albeit proven essential step to the RIO approach, the main solutions were tested with live mites ensuring the alignment of solutions with the biology and behaviour of D. gallinae in vivo. A combination of the best solutions were developed in two different prototypes. These prototypes were subsequently tested in the laboratory and on farm. The prototype situated under the perch, with a through beam sensor and a pump to remove mites from the sensor after recording, was the most successful model. The designed automated mite detection sensor, or automated mite counter, for D. gallinae was subsequently validated in experimental laying hen cages with live birds and a growing population of D. gallinae (Chapter 5). The study resulted in 17 data points, each being a combination of ‘number of mites counted’ by the automated mite counter and the ‘number of mites present’ in the experimental laying hen cages. The regression line between the ‘number of mites counted’ and the ‘number of mites present’ demonstrated that the automated mite counter was able to track the D. gallinae population effectively.

Population modelling. Step 2 of IPM describes not only pest monitoring in the field, but also ‘scientifically sound warning, forecasting and early diagnosis systems, where feasible, as well as the use of advice from professionally qualified advisors’. To advance this step for D. gallinae we developed and demonstrated an operational model, forecasting the mite population dynamics and evaluating and forecasting the effect of a treatment application for D. gallinae in laying hen facilities. For IPM this model and the required inputs need to be 1) labour‐extensive with minimal staff input, preferably automatically implementing “real time” measurement data into models; 2) operational, providing easily interpretable data, forecasting pest population dynamics and the moment a threshold will be exceeded; 3) able to compensate for different locations and time‐specific‐interactions and variables (e.g. management and temperature), enabling the handling of variability of the parameters of interest; 4) able to identify pest hotspots; 5) able to estimate and forecast treatment efficacy; and 6) applicable for different monitoring methods and therefore able to correct for monitoring measurement errors. Prior to the development of the population dynamics model a high variation in population growth was found which could be only partly explained by temperature, flock age, treatment, and compartment/laying hen facility. A substantial part of the total variation remained unexplained, or was found to be temporal. As a result of this partly temporal variation, a dynamic approach was suggested to improve the forecasting quality of a population dynamics model. With the input of population monitoring data, temperature data and information of the dates of any D. gallinae treatment interventions, the developed model was able to forecast the population dynamics of D. gallinae post treatment and without treatment while compensating for location and time specific interactions, handling the variability of the parameters. Moreover, this population dynamics model was able to forecast the D. gallinae population using data from different monitoring methods. Together with the models compatibility with different housing systems and its ability to forecast the mite population dynamics (requiring only three relative easy obtainable parameters), this model is an improvement over existing approaches for forecasting D. gallinae that could contribute to steps 2 and 8 of IPM for D. gallinae in laying hen facilities.

The results from this study directly facilitate advanced IPM programmes for D. gallinae in laying facilities. The new ‘products’ developed are tools for prevention, monitoring, forecasting population dynamics and evaluating treatment effects, representing the requirements of IPM steps 1, 2, and 8. Indirectly the results may accelerate the development of new control measures, with knowledge acquired through use of the developed products it also is likely to contribute to IPM steps 3, 4, 6 and 8 in the future; e.g. the determination of an action threshold, and a tool advising farmers on the most effective and economic time for applying a corrective action or hotspot treatment for D. gallinae.

With the obtained knowledge and new products implemented to control D. gallinae in laying hen farms, major advances can be made in IPM for this pest. More specifically, as a result of this work IPM for D. gallinae in laying hen facilities can be advanced by the identification of preventative control measures, the development of an automated monitoring tool and a model forecasting mite population dynamics and evaluating applied treatments. Consequently, the results of this study can be expected to improve hen health, welfare and farm economics for the egg production industry. In the future, advances in other IPM programmes can be expected when the obtained knowledge, tools and methods are transferred to other pest species in multiple sectors.

Object segmentation in poultry housings using spectral reflectivity
Vroegindeweij, B.A. ; Hell, Steven van; Ijsselmuiden, J.M.M. ; Henten, E.J. van - \ 2015
- 6 p.
poultry housing - object segmentation - spectral reflectivity
Effect stalklimaat en drogestofgehalte mest op de ammoniakemissie uit vleeskuikenstallen
Harn, J. van; Aarnink, A.J.A. ; Blanken, K. ; Ogink, N.W.M. - \ 2015
Wageningen : Wageningen UR Livestock Research (Livestock Research rapport 863) - 51
droge stof - stalklimaat - pluimveemest - pluimveehokken - pluimveehouderij - vleeskuikens - ammoniakemissie - emissiereductie - luchtkwaliteit - dierenwelzijn - dry matter - stall climate - poultry manure - poultry housing - poultry farming - broilers - ammonia emission - emission reduction - air quality - animal welfare
The formation of ammonia from litter in broiler houses depends on various factors such as climate (both inside and outside the house), dry matter content of the droppings, and dry matter content, pH, ammonium content and temperature of the litter. However, it is not known how these processes interact with and / or influence each other. For this reason, Wageningen UR Livestock Research performed a study in which the effect of environmental conditions and dry matter content of the droppings on litter characteristics (pH, temperature, dry matter, nitrogen and ammonium content) and ammonia emission was investigated. The objective of this study was to gain knowledge in the relationships between environmental climate conditions, litter characteristics and ammonia emission from broiler houses. This study shows that it is possible to reduce ammonia emissions from broiler houses through management measures. Especially measures that increase the dry matter content of the litter and / or decrease the ammonium content of the litter and / or decrease the pH of the litter will reduce the ammonia emission.
Variations of bacteria and endotoxin concentrations in houses for fattening pigs and broilers within and between days = Binnen- en tussendagvariaties in bacterie- en endotoxineconcentraties in stallen voor vleesvarkens en -kuikens
Aarnink, A.J.A. ; Hattum, T.G. van; Ogink, N.W.M. - \ 2015
Wageningen : Wageningen UR Livestock Research (Livestock Research report 879) - 26
bacteriën - endotoxinen - aërosolen - pluimveehokken - varkensstallen - huisvesting van kippen - vleeskuikens - varkenshouderij - pluimveehouderij - gezondheidsgevaren - gezondheid op het platteland - emissie - bacteria - endotoxins - aerosols - poultry housing - pig housing - chicken housing - broilers - pig farming - poultry farming - health hazards - rural health - emission
In this study the diurnal variations in bacteria and endotoxin concentrations and emissions in houses for finishing pigs and broilers were determined.
Phosphorus requirement in laying hens
Lambert, W. ; Krimpen, M.M. van; Star, L. - \ 2014
Lelystad : Schothorst Feed Research (Report / Schothorst Feed Research 1362-2) - 48
hennen - fosfor - voedingsstoffenbehoeften - pluimveevoeding - voedersupplementen - diergezondheid - pluimveehokken - hens - phosphorus - nutrient requirements - poultry feeding - feed supplements - animal health - poultry housing
It was hypothesized that P supply by feed in alternative housing systems can be lowered without negative effects on bone quality and production performance. Therefore, the objectives of the current study were 1) to update the retainable phosphorus (rP) needs of two modern laying hen breeds from 36 to 90 weeks of age housed in an aviary system, 2) to investigate the influence of dietary rP levels on Ca and P content in eggs, manure, carcasses and bones.
Ammoniakvorming in mestdroogsystemen op legpluimveebedrijven met mestbandbeluchting = Ammonia production in manure drying systems at layer farms with manure belt aeration
Winkel, A. ; Blanken, K. ; Ellen, H.H. ; Ogink, N.W.M. - \ 2014
Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 730) - 20
pluimveehouderij - hennen - pluimveehokken - ammoniakemissie - emissiereductie - droge stof - mestverwerking - drogen - luchtverontreiniging - poultry farming - hens - poultry housing - ammonia emission - emission reduction - dry matter - manure treatment - drying - air pollution
In this study, we investigated whether ammonia emissions from manure drying systems can be reduced by pre-drying the manure to ca. 55% of dry matter. This study shows that the ammonia emission of drying manure decreases with dry matter content. Pre-drying of manure to 55% of dry matter prevents the occurrence of high emissions in the first phase of the drying process and can reduce the emission from manure drying systems with 50–60%.
Emissies uit mestdroogsystemen op leghennenbedrijven bij dagontmesting en versneld drogen = Emissions from manure drying systems on layer farms using 24-h manure removal and rapid drying
Winkel, A. ; Huis in 'T Veld, J.W.H. ; Nijeboer, G.M. ; Schilder, H. ; Hattum, T.G. van; Ellen, H.H. ; Ogink, N.W.M. - \ 2014
Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 731) - 43
pluimveehouderij - hennen - ammoniakemissie - emissiereductie - pluimveehokken - mestverwerking - drogen - fijn stof - luchtverontreiniging - poultry farming - hens - ammonia emission - emission reduction - poultry housing - manure treatment - drying - particulate matter - air pollution
In dit onderzoek is de hypothese getoetst dat met het dagelijks afdraaien van alle stalmest naar een mestdroogsysteem (dagontmesting), gevolgd door snelle indroging, de extra ammoniakemissie uit deze droogsystemen aanzienlijk kan worden beperkt. Deze hypothese is bevestigd door het onderzoek. Daarnaast is gebleken dat de aangepaste manier van drogen nog steeds een aanzienlijke fijnstofreductie bewerkstelligt.
Maatregelen ter vermindering van fijnstofemissie uit de pluimveehouderij: validatie van een oliefilmsysteem op een leghennenbedrijf = Measures to reduce fine dust emission from poultry houses: validation of an oil spraying system on a layer farm
Winkel, A. ; Huis in 'T Veld, J.W.H. ; Nijeboer, G.M. ; Ogink, N.W.M. - \ 2014
Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 801) - 24
pluimveehouderij - hennen - pluimveehokken - stallen - luchtreinigers - fijn stof - emissiereductie - spuiten - film - plantaardige oliën - monitoring - luchtverontreiniging - poultry farming - hens - poultry housing - stalls - air cleaners - particulate matter - emission reduction - spraying - plant oils - air pollution
In this study, the emission reduction of an oil spraying system was determined through validation measurements in a layer house with aviary housing.
Mogelijkheden voor het vaststellen van emissies van leghennenstallen met een nageschakeld mestdroogsysteem = Possibilities for determining emissions of laying hen houses connected to a manure drying system
Winkel, A. ; Ellen, H.H. ; Ogink, N.W.M. - \ 2014
Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 803) - 20
pluimveehouderij - hennen - ammoniakemissie - emissiereductie - pluimveehokken - mestverwerking - droging - bepaling - luchtverontreiniging - poultry farming - hens - ammonia emission - emission reduction - poultry housing - manure treatment - drieration - determination - air pollution
Based on the current state of knowledge, this report explores the possibilities for establishment of emissions for laying hen houses connected to a manure drying system.
Uitkomen kuikens in een traditionele vleeskuikenstal
Harn, J. van; Lourens, A. ; Gunnink, H. - \ 2014
Lelystad : Wageningen UR Livestock Research (Rapport / Wageningen UR Livestock Research 669) - 36
pluimveehouderij - vleeskuikenproductie - pluimveehokken - uitbroeden - ei-uitkomstpercentage - dierenwelzijn - pluimvee - dierlijke productie - vleeskuikens - huisvesting, dieren - poultry farming - broiler production - poultry housing - hatching - egg hatchability - animal welfare - poultry - animal production - broilers - animal housing
This report describes the results of a study where a comparison was made between broilers hatched in the broiler house and in the hatchery. Performance results, carcass yields, litter quality, broiler quality and gait score were measured.
Deskstudie naar maatregelen ter vermindering van broeikasgasemissies uit varkens- en pluimveestallen = Desk study on measures to reduce greenhouse gas emissions from pig and poultry houses
Mosquera Losada, J. ; Groenestein, C.M. ; Timmerman, M. ; Aarnink, A.J.A. ; Winkel, A. ; Ploegaert, J.P.M. ; Ogink, N.W.M. - \ 2013
Lelystad : Wageningen UR Livestock Research (Rapport / Wageningen UR Livestock Research 750) - 30
varkenshouderij - pluimveehouderij - varkensstallen - pluimveehokken - broeikasgassen - emissie - emissiereductie - pig farming - poultry farming - pig housing - poultry housing - greenhouse gases - emission - emission reduction
In this desk study, twelve measures were evaluated for their ability to reduce greenhouse gas (GHG) emissions from pig and poultry houses. A number of measures show good perspective for GHG reduction in animal houses, but an integral analysis, including the complete manure chain and all relevant components, is needed to determine the true perspective of these measures.
Sub-report-B - Update of influence of genetic parameters on the welfare and the resistance to stress of commercial broilers in De Jong, I., Berg, C., Butterworth, A. Estevéz, I. (Eds.) Scientific report updating the EFSA opinions on the welfare of broilers and broiler breeders
Berg, C. ; Butterworth, A. ; Bihan-Duval, E. Le; Caplen, G. ; Ferrari, P. ; Jong, I.C. de; Rodenburg, T.B. ; Sorensen, P. ; Steenfeldt, S. ; Veldkamp, T. - \ 2012
European Food Safety Authority - 116 p.
broilers - broiler breeders - animal housing - animal welfare - animal genetics - poultry housing - animal health - animal production
Maatregelen ter vermindering van fijnstofemissie uit de pluimveehouderij: validatie van een ionisatiefilter op leghennenbedrijven = Measures to reduce fine dust emission from poultry houses: validation of an ionisation filter on layer farms
Winkel, A. ; Mosquera Losada, J. ; Hattum, T.G. van; Huis in 'T Veld, J.W.H. ; Nijeboer, G.M. ; Ogink, N.W.M. - \ 2012
Lelystad : Wageningen UR Livestock Research (Rapport / Wageningen UR Livestock Research 440) - 26
pluimveehouderij - hennen - eierproductie - filters - ionisatie - pluimveehokken - fijn stof - emissie - luchtverontreiniging - stalklimaat - poultry farming - hens - egg production - ionization - poultry housing - particulate matter - emission - air pollution - stall climate
In this study, the fine dust emission reduction of an ionization filter (electrostatic precipitator) was determined through validation measurements on layer farms.
Maatregelen ter vermindering van fijnstofemissie uit pluimveehouderij: indicatieve evaluatie van een recirculatiesysteem met ionisatiefilter = Measures to reduce fine dust emission from poultry facilities: indicative evaluation of a recirculation system with ionization filter
Emous, R.A. van; Winkel, A. ; Ogink, N. - \ 2011
Lelystad : Wageningen UR Livestock Research (Rapport / Wageningen UR Livestock Research 504) - 13
pluimveehouderij - pluimveehokken - fijn stof - recirculatiesystemen - filters - ionisatie - binnenklimaat - poultry farming - poultry housing - particulate matter - recirculating systems - ionization - indoor climate
In this study a recirculation system with an ionization filter is indicatively evaluated for its potential to reduce fine dust emissions from poultry houses. From this study it is concluded that the system has a high removal efficiency, but fine dust emissions are not reduced.
Klein maar echt effect
Jong, I.C. de; Gunnink, H. ; Emous, R.A. van; Lourens, A. - \ 2011
De Pluimveehouderij 41 (2011)8. - ISSN 0166-8250 - p. 32 - 33.
pluimveehouderij - vleeskuikenouderdieren - bezettingsdichtheid - opfoktechnieken - pluimveehokken - dierenwelzijn - diergedrag - poultry farming - broiler breeders - stocking density - rearing techniques - poultry housing - animal welfare - animal behaviour
Ingrepen overbodig maken door een lagere dierbezetting bij vleeskuikenouderdieren, kan dat? Livestock Reserch deed onderzoek. Deel 1: de opfok.
Maatregelen ter vermindering van fijnstofemissie uit pluimveehouderij: ontwerp van stallen met integratie van fijnstofarme technieken en nieuwe inrichtingsconcepten = Measures to reduce fine dust emission from poultry facilities: design of poultry houses with integration of fine dust measurements and new layout concepts
Emous, R.A. van; Winkel, A. ; Ellen, H.H. ; Ogink, N.W.M. - \ 2011
Lelystad : Wageningen UR Livestock Research (Rapport / Wageningen UR Livestock Research 444) - 19
pluimveehouderij - pluimveehokken - stalklimaat - fijn stof - stalinrichting - stofbestrijding - poultry farming - poultry housing - stall climate - particulate matter - animal housing design - dust control
This study shows a survey of the possibilities to implement fine dust reducing techniques more efficient in existent and new poultry houses. Furthermore different fine dust reducing layouts are described.
Handboek pluimveehouderij
Vermeij, I. ; Livestock Research, - \ 2011
Lelystad : Wageningen UR Livestock Research - ISBN 9789085859734
pluimvee - kippen - dierhouderij - bedrijfsmanagement - pluimveehokken - huisvesting van kippen - pluimveemest - pluimveevoeding - diergezondheid - bedrijfshygiëne - diergedrag - dierenwelzijn - voortplanting - kwaliteitszorg - arbeid (werk) - pluimveehouderij - dierlijke productie - handboeken - poultry - fowls - animal husbandry - business management - poultry housing - chicken housing - poultry manure - poultry feeding - animal health - industrial hygiene - animal behaviour - animal welfare - reproduction - quality management - labour - poultry farming - animal production - handbooks
Het Handboek Pluimveehouderij is een naslagwerk voor Nederlandse pluimveehouderij. Het Handboek Pluimveehouderij is bedoeld voor pluimveehouders, maar daarnaast ook nuttig voor onder andere agrarische adviseurs, onderwijsinstellingen en ieder ander die wil weten hoe bepaalde aspecten van de pluimveehouderij in elkaar steken. Het handboek geeft een beknopt, maar gericht antwoord op de meest voorkomende vragen in de reguliere pluimveehouderij. Daarnaast vindt u verwijzingen naar bronnen waar meer informatie te vinden is, zoals websites, publicaties en instanties.
Kipsignalen : praktijkgids voor diergericht pluimvee, tweede herziene druk
Bestman, M.W.P. ; Ruis, M.A.W. ; Middelkoop, K. ; Heijmans, J. - \ 2011
Zutphen : Roodbont Publishers BV - ISBN 9789087400477 - 96
pluimvee - signalen - pluimveehokken - diergedrag - dierenwelzijn - diergezondheid - prestatieniveau - bedrijfsvoering - dierlijke productie - poultry - signals - poultry housing - animal behaviour - animal welfare - animal health - performance - management - animal production
Goed management begint met het oppikken van signalen in de praktijk. Voor pluimveehouders betekent dit alert zijn in de stal en kijken en luisteren naar dieren, aandacht voor hun gedrag, als groep en individueel. Dit levert veel informatie op over gezondheid, welzijn en productie, die de pluimveehouder kan gebruiken om zijn economisch resultaat en het welzijn van dier en zichzelf te verbeteren. Op dit moment investeert de pluimveehouderij veel in nieuwe huisvestingssystemen die een ander management vereisen. Het boek Kipsignalen bevat handvatten om meer diergericht te werken
Fijnstofemissie uit stallen: luchtwassers = Dust emission from animal houses: air scrubbing techniques
Mosquera, J. ; Hol, J.M.G. ; Melse, R.W. ; Winkel, A. ; Nijeboer, G.M. ; Ploegaert, J.P.M. ; Ogink, N.W.M. ; Aarnink, A.J.A. - \ 2011
Lelystad : Wageningen UR Livestock Research (Rapport / Wageningen UR Livestock Research 295) - 25
varkenshouderij - pluimveehouderij - varkensstallen - pluimveehokken - fijn stof - akoestische emissie - stofbestrijding - luchtreinigers - ammoniakemissie - pig farming - poultry farming - pig housing - poultry housing - particulate matter - acoustic emissions - dust control - air cleaners - ammonia emission
In this study emissions of fine dust (PM10 and PM2.5) from pig and poultry houses provided with air filtration techniques were determined. In addition, emissions of ammonia, greenhouse gases and odour were determined.
Welzijn biologisch pluimvee
Ruis, M.A.W. - \ 2011
BioKennis bericht Pluimveevlees & eieren 11 (2011). - 4
biologische landbouw - pluimvee - pluimveehokken - diergezondheid - pluimveehouderij - diergedrag - verenpikken - pluimveevoeding - dierverzorging - dierlijke productie - huisvesting, dieren - hennen - vleeskuikens - organic farming - poultry - poultry housing - animal health - poultry farming - animal behaviour - feather pecking - poultry feeding - care of animals - animal production - animal housing - hens - broilers
De biologische veehouderij heeft veel oog voor natuurlijk gedrag, een goede gezondheid met nadruk op ziektepreventie, en natuurlijke voeding. Het dierenwelzijn in de biologische sector heeft daarom een hoog niveau. Dit past goed bij de verduurzaming van de biologische veehouderij. In 2010 heeft de sector zichzelf een spiegel voorgehouden. Hieruit blijkt dat veel goed gaat op het gebied van dierenwelzijn, maar er zijn ook verbeterpunten. In dit BioKennisbericht een overzicht voor de biologische pluimveehouderij, met vooral aandacht voor aspecten waar nog welzijnswinst te behalen is.
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