CAGE PROCESSING in Animal Facilities - GV-SOLAS

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Another important aspect to consider is the human musculoskeletal system. Constant repetitive work like manualfilling of cages often leads to muscular tensions and chronic afflictions of the back, neck, and shoulderarea (see publication in chapter 10).4.4.1.2 Handling of clean beddingWhen handling clean bedding (usually at the bedding storage place or wash-up area), the following aspectsshould be considered:• When handling cages, gloves, suitable respiratory masks, and suitable work clothes should always be worn.• Open storage of bedding over a long period should be avoided.• Dust should be avoided. A procedure-specific suction device is recommended.• Ergonomic working heights of 800 to 900 mm are recommended.• When handling bedding manually, light, small bags are to be preferred.• When using big bedding bags, suitable technical applications, like a crane track with lifting tools and trolleydrive must be provided.• Bedding should only be moved with suitable transport systems and over the shortest possible distance.4.4.1.3 Design of bedding dispensersFor a convenient, staff-friendly workflow, unnecessary stacking and moving of items should be avoided.Hence, a bedding dispensing machine should be located in a way that the cage bases can be refilled immediatelyafter they have been removed from the washer. This requires largely dried cages. For a best possibleworkflow, the transport systems described in chapter 4.1 should be moved adjacent to the dispensing machineand locked there. Generally, avoiding major torso twists and long transport distances is not only ergonomicallyreasonable, but also timesaving.Size: When determining the dimensions of a bedding dispenser, current as well as future capacities and requirementsshould be taken into consideration.Material: Stainless steel (material AISI 304 or higher) offers a major advantage regarding durability and cleaning.Cleaning: Bedding dispensers should be easy to clean and be designed accordingly. A conventional cleaningshould be done every day, an intensive cleaning of the entire machine every week.4.4.1.4 Bedding dispensing systems – advantages / disadvantagesTable 4-6Option Advantages DisadvantagesManualdispensingbedding is dispensedfrom bags or containerscost-effective; can be introducedwithin an existingfacility; flexibletime-consuming; dust exposure;ergonomically difficult; low capacity;requires a manual transport ofbedding from the bedding storageplace26Cage Processing in Animal Facilities · 4th issue · 2013
Semiautomaticdispensing*bedding is dispensedby a constant curtainor mobile dispensingstationcan be introduced within anexisting facility; high capacitymajor dust exposure; relativelyhigh costs of purchase; requires amanual transport of bedding fromthe bedding storage place; heavydeposits of dust in the local area.mobile dispensingstation with suitabledust suction devicecan be introduced withinan existing facility, mediumhigh capacity: nearly no dustexposure, flexiblerelatively high costs of purchase,requires a manual transport ofbedding from the bedding storageplacedispensing systemswith vacuum transport,with suitabledust suction devicedoes not require a manualtransport of bedding fromthe bedding storage place(timesaving); low fine dustexposure; can be introducedwithin an existing facility;high capacity; reproduciblebedding quantitiesrelatively high costs of purchaseFullyautomaticdispensing*dispensing systemswith vacuum transportand fully automatichandling by robots orautomatic machines,with and without invertertechnology forthe cage bodydoes not require a manualtransport of bedding fromthe bedding storage place;timesaving, ergonomicallybeneficial; low fine dust exposure;high capacity; reducedstaff possible; reproduciblebedding quantitieshigh costs of purchase; requiresspace; possible limitations due tothe need to standardise cages;high maintenance*In semi and/or fully automated systems, the process capability of bedding plays a key role. Hence, it is importantto use fibre-reduced bedding (avoiding lightweight/fluffy materials) or to take technical measures insidethe dispensing station in order to prevent the material from bridging. If no suitable technical measures can betaken, free flowing bedding types are to be preferred in order to reduce interruptions in the system and achievea repeatable process.Fig. 4-15 Example for a semi-automaticsystem: mobile dispensing station withsuitable dust suction deviceFig. 4-16 Example for a semi-automatic system:loading system with pneumatic conveyanceFig. 4-17 Example for an fully automatic system: loading system with pneumatic conveyance and fully automatichandling by robots or automatic machines, with and without / invertrer technology for the cage bodyCage Processing in Animal Facilities · 4th issue · 2013 27
Page 1 and 2: CAGE PROCESSINGin Animal Facilities
Page 3 and 4: CAGE PROCESSINGin Animal Facilities
Page 5 and 6: Index1 Introduction ...............
Page 7 and 8: 7.1 Requirements ..................
Page 9 and 10: 2 Cage processing cyclesThe followi
Page 11 and 12: 3.2 Materials for processingWhen de
Page 13 and 14: • They should be easy and conveni
Page 15 and 16: • Height-adjustable shelves ensur
Page 17 and 18: Table 4-2Option Advantages Disadvan
Page 19 and 20: Below you will find a description o
Page 21 and 22: Figure 4-10 Tunnel cage washer4.3.1
Page 23: WashingHot water mixed with deterge
Page 26 and 27: Safety-related componentsWashers mu
Page 30 and 31: 4.4.1.5 Potential health issues cau
Page 32 and 33: PVP:FVP:VWD:prevacuum processfracti
Page 34 and 35: the sanitization procedure is only
Page 36 and 37: • An operation display (indicatin
Page 38 and 39: Safety note:PAA has a severe skin a
Page 40 and 41: Demineralised water (=Demi water)De
Page 42 and 43: Quick changes in maximum and minimu
Page 44 and 45: accessible for deliveries of large
Page 46 and 47: The following aspects must be part
Page 48 and 49: In-line-type washersTable 6-2Machin
Page 50 and 51: 7.1.4 DryingDrying means the proces
Page 52 and 53: 7.2.1.3.3 Test setup for IVC racks2
Page 54 and 55: These acceptance criteria are to be
Page 56 and 57: 7.3.1 WashingThe washing performanc
Page 58 and 59: Figure 7-12 Cage body, numerous dro
Page 60 and 61: 7.6.3 Periodic inspection on siteA
Page 62 and 63: Hydrogen peroxide and peracetic aci
Page 64 and 65: 9.2 DepositsFigure 9-2 Cage parts w
Page 66: Overheating an item during steam st
Page 69 and 70: DIN 1986:Technical Rules for Drinki
Page 71 and 72: Detergent liquor / detergent soluti
Page 73 and 74: ProcessingProcessing means washing,
Page 75 and 76: Final provisions:1. This brochure d

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