By Lloyd Thomson
The Beak Trimming guide for Egg manufacturers is an easy, sensible consultant to beak trimming of egg-laying hens to minimise cannibalism. It offers finished info on why birds peck and the way pecking may end up in difficulties like cannibalism; the equipment to be had to beak trim birds; why a selected process will be selected; and at what age birds could be trimmed. The publication addresses quality controls of beak trimming, allowing egg manufacturers to be convinced that gear is correctly manage, that birds are dealt with and trimmed in response to top perform and farm biosecurity is maintained. administration of birds following beak trimming, to guard of the welfare of the birds and to make sure greatest productiveness, is roofed intimately. Best-practice, present tools of beak trimming, expenses of trimming and how one can decrease using trimming are tested, in addition to anticipated destiny advancements. the benefits and downsides of beak trimming are totally explored, masking either public and attitudes to the operation. choices to beak trimming are canvassed to appreciate how using outfitted units, enrichment units, abrasives, low lights and the alternative of low-pecking lines of birds can decrease the necessity for beak trimming. eventually, the booklet discusses recommendations for minimising cannibalism and the way the selected method should be documented and justified.Please notice that this e-book is spiral-bound.
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Extra info for Beak Trimming Handbook for Egg Producers: Best Practice for Minimising Cannibalism in Poultry
Grade B: 5–10% of birds with minor imperfections and/or incorrect beak lengths. Grade C: More than 10% of birds with major imperfections and/or incorrect beak lengths. 6 Production responses of beak-trimmed birds Mortality Although pullet mortality rates are generally unaffected by beak trimming in sheds with light control, mortality is lower in beak-trimmed flocks compared with nontrimmed flocks. The mortality rate of severely trimmed birds is generally lower than that of lightly trimmed birds, due to lower levels of cannibalism.
Shorter beaks require less beak to be removed, whereas longer beaks need more removed. indd 25 31/1/06 10:15:22 AM 26 Beak trimming handbook for egg producers Straight cut Block cut ‘V’ cut Figure 9: Types of beak trim Other things to look for include crossed beaks, beak lesions, and other deformities. Birds with these problems are unusual and need extra care to ensure that beak trimming improves their beaks rather than makes them worse. Instructions The farm manager must advise the beak trimmer of the type of trim required.
Figures 11 and 12 show the minimum amount of upper beak that must remain after trimming birds of different ages. Accuracy standards for beak trimming Achieving 100% beak-trimming accuracy is not possible in commercial situations. The egg industry, however, requires uniform trimming to the specified length so that adult birds have the desired beak length and shape. 5 0 1 10–12 Age of bird (days) Figure 11. indd 30 31/1/06 10:15:25 AM Minimum beak length after trimming (mm) 3 – B e s t p r a c t i c e b e a k t r i mm i n g 12 11 10 9 8 7 6 5 4 3 2 1 0 8–12 31 >18 Age of bird (weeks) Figure 12.
Beak Trimming Handbook for Egg Producers: Best Practice for Minimising Cannibalism in Poultry by Lloyd Thomson
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