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Detection of flock movement and behaviour of broiler chickens at different feeders using image analysis

Information Processing in Agriculture 2015年第3期2卷 177-182页

作者： Diego Pereira Neves Saman Abdanan Mehdizadeh Matthew Tscharke Irenilza de Alencar Nääs Thomas Michael Banhazi Structure&Motion Laboratory Royal Veterinary CollegeUniversity of LondonLondonUnited Kingdom Department of Mechanics of Biosystems Engineering College of Agricultural Engineering and Rural DevelopmentRamin University of Agriculture and Natural Resources of KhuzestanMollasaniAhvazKhuzestanIran NCEA University of Southern QueenslandToowoomba CampusQLDAustralia Agricultural Engineering College State University of CampinasCampinasSPBrazil NCEA and Faculty of Health Engineering and ScienceUniversity of Southern QueenslandToowoomba CampusQLDAustralia

The behaviour of broiler chickens has been extensively studied as a function of stocking density and environmental conditions,but limited information was reported in the scientific literature about the effect of feeder type on birds’feeding *** main objective of this study was to assess the effects of three different feeder types in relation to the birds’behaviour in its *** analysed feeders were:tube-type with partition grid(F1);tube-type without partition grid(F2);and automatic type with partition grid(F3).The considered variables were:occupied area(OA);activity index(AI)(flock movement);total birds presented in the area(TB);and birds effectively eating(EE).OA and AI were calculated by computational image analysis while TB and EE were manually *** results indicated that the feeder type could have influenced the birds’behaviour regarding to OA(R2=0.56),TB(R2=0.48),and EE(R2=0.40),but AI(R2=0.01)was not found to be directly influenced by the feeder type.A higher percentage of birds effectively eating were found in F2(86.4%),which was the one with the largest free area to access the *** average number of total birds was found in F1,but with a lower percentage of individuals effectively eating(63.3%),which means that birds were nearby this feeder performing other *** the assessed feeders were in the same house under the same conditions,it can be suggested that not only the free area to access the feed but potentially the design of feeders could have influenced the birds’feeding *** real beneficial effect of the adoption of partition grid on feed trays is still uncertain,and it is also unclear whether the financial value of reduced wastage would compensate the possible reduction in feed intake.

关键词： Activity index Animal behaviour Feeding Image processing Motion occupied area

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