AUSTRALIAN POULTRY CRC - Poultry Hub

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APPENDIX A ....................................................................................................................................................... 31FREE-RANGE LAYER MORTALITY SURVEY .......................................................................................................... 31APPENDIX B ....................................................................................................................................................... 35PUBLICITY LETTER ............................................................................................................................................ 35APPENDIX C ....................................................................................................................................................... 36LETTER REQUESTING SURVEYS REQUIRED ......................................................................................................... 36APPENDIX D ....................................................................................................................................................... 37PUBLICITY FLYER (P.I.X.).................................................................................................................................. 37APPENDIX E ....................................................................................................................................................... 38SURVEY COVERING LETTER ............................................................................................................................... 38APPENDIX F ....................................................................................................................................................... 39SURVEY REMINDER LETTER ............................................................................................................................... 39APPENDIX G ....................................................................................................................................................... 40FREE-RANGE LAYER MORTALITY SURVEY ........................................................................................................ 40APPENDIX H ....................................................................................................................................................... 43EXAMPLE OF MORTALITY RECORD SHEET .......................................................................................................... 43APPENDIX I ........................................................................................................................................................ 44NECROPSY RECORD SHEET ................................................................................................................................. 44APPENDIX J ........................................................................................................................................................ 46FOLLOW-UP EXAMINATION AND POST MORTEM RESULTS .................................................................................. 46REFERENCES .................................................................................................................................................... 51vi
TablesTABLE 1: DISTRIBUTION OF NATIONWIDE FREE RANGE MORTALITY SURVEY. ........................................................... 8TABLE 2: WILD BIRDS REGULARLY VISITING FREE RANGE FARMS IN AUSTRALIA. .................................................. 11TABLE 3: PREDOMINANT BREED/STRAIN OF BIRD USED IN THE FREE RANGE FARMS SURVEYED. ............................ 12TABLE 4: AGE PULLETS START RANGING. ............................................................................................................... 12TABLE 5: MEASURES TAKEN IN BETWEEN FLOCKS OF HENS IN A PARTICULAR SHED............................................... 13TABLE 6: VACCINATIONS RECEIVED BY FREE RANGE FLOCKS. ............................................................................... 13TABLE 7: CAUSES OF MORTALITY AND RANK OF IMPORTANCE WITH 1, MOST OFTEN THE CAUSE OF MORTALITY, TO10 LEAST OFTEN THE CAUSE OF MORTALITY. ................................................................................................ 14TABLE 8: PERCENTAGE OF POSITIVE (+), SUSPECT (S) AND NEGATIVE (-) EDS, IBV AND NDV TITRES FROM BLOODSAMPLES TAKEN AT THE START AND END OF THE SURVEY PERIOD (NS – NO SAMPLE). .................................. 17TABLE 9: INDIVIDUAL EDS, IBV AND NDV TITRES FROM BLOOD SAMPLES TAKEN AT THE START AND END OF THESURVEY PERIOD (NS – NO SAMPLE). ............................................................................................................... 18TABLE 10: WORM (EGG COUNTS/G) AND COCCIDIA BURDEN (OOCYSTS/G) OF FAECAL SAMPLES TAKEN AT THESTART AND END OF THE SURVEY PERIOD (NS – NO SAMPLE). ......................................................................... 20TABLE 11: PATHOLOGY FINDINGS FOR ALL FARMS AS DETERMINED BY NECROPSY ................................................ 22TABLE 12: PATHOLOGY FINDINGS AS A PERCENTAGE PER INDIVIDUAL FARM AS DETERMINED BY NECROPSY ....... 22vii
Page 1 and 2: AUSTRALIAN POULTRY CRCFINAL REPORTP
Page 3 and 4: Executive SummaryFree-range is the
Page 5: Table of ContentsEXECUTIVE SUMMARY
Page 9 and 10: IntroductionIndustry ProfileFree-ra
Page 11 and 12: Avian influenzaIn domestic poultry,
Page 13 and 14: ManagementThis includes factors suc
Page 15 and 16: ObjectivesThe objective of this pro
Page 17 and 18: Figure 1: Appropriate restraint of
Page 19 and 20: ResultsNationwide SurveyGeneralFour
Page 21 and 22: Table 5: Measures taken in between
Page 23 and 24: The similar symptoms shown by both
Page 25 and 26: inactivated vaccination should be l
Page 27 and 28: Initial Final Initial Final Initial
Page 29 and 30: Start Finish Start Finish Start Fin
Page 31 and 32: Figure 7: Chronic peritonitis: peri
Page 33 and 34: Figure 13: Pecking around the vent
Page 35 and 36: Figure 19: Head injuries associated
Page 37 and 38: act as mechanical vectors of other
Page 39 and 40: Appendix AFree-range layer mortalit
Page 41 and 42: 4. MANAGEMENTa) Are birds beak trim
Page 43 and 44: Appendix BPublicity LetterThe Austr
Page 45 and 46: Appendix DPublicity flyer (P.I.X.)M
Page 47 and 48: Appendix FSurvey reminder letterDea
Page 49 and 50: 2. HOUSING OF SURVEY FLOCKa) Shed t
Page 51 and 52: Appendix HExample of mortality reco
Page 53 and 54: 3. Further recordsa. Sample collect
Page 55 and 56: 15 Found dead. Liver white foci and
Page 57 and 58:
Repro organs atrophied; intestinesm
Page 59 and 60:
ReferencesAllen, J. and Perry, G.C.
Page 61 and 62:
Sommer, F. and Vasicek, L. 2000. Ma
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