APHIS UPDATEAPHIS UPDATE

6 August 20086 August 2008

Hauling bison to slaughterHauling bison to slaughter

APHIS contractors hauled APHIS contractors hauled 12761276 bison to bison to slaughter in MT and ID from Stephen’s slaughter in MT and ID from Stephen’s Creek capture facilityCreek capture facility

Inquires from ~ Inquires from ~ 525525 tribal organizations tribal organizations about receiving meatabout receiving meat

Over Over 59 59 Native American organizations Native American organizations and food banks received meatand food banks received meat

Bison SamplingBison Sampling

Partnered with YNP and Univ. of Montana in Partnered with YNP and Univ. of Montana in tissue sampling at slaughterhouses.tissue sampling at slaughterhouses.

APHIS sampled tissues at the slaughterhouses APHIS sampled tissues at the slaughterhouses for brucellosis and Johne’s Disease.for brucellosis and Johne’s Disease.

Initiated a bison serum bank for future studies.Initiated a bison serum bank for future studies.

Wildlife/cattle interfaceWildlife/cattle interface

APHIS ActivitiesAPHIS Activities

ID slaughterhouse surveillance: ID slaughterhouse surveillance: 47% positive47% positive MT slaughterhouse surveillance: MT slaughterhouse surveillance: 42% positive42% positive MT slaughterhouse bulls> 2yr.(66/104): MT slaughterhouse bulls> 2yr.(66/104): 65%(+)65%(+)

Testing at Stephen’s Creek:Testing at Stephen’s Creek: Overall: (217/545): Overall: (217/545): 40%40% Calves: (31/209): Calves: (31/209): 15%15% Adults: (186/336): Adults: (186/336): 55.4% 55.4%

Bison Quarantine Feasibility Study – Bison Quarantine Feasibility Study – Update August ‘08 Update August ‘08

Phase II-Slip n’ Slide RanchPhase II-Slip n’ Slide Ranch43 now 3 and 4 year olds at 43 now 3 and 4 year olds at Slip N SlideSlip N Slide

22 of 23 cows have calved; 16 22 of 23 cows have calved; 16 live calveslive calves 2 cow mortalities/calves 2 cow mortalities/calves euthanizedeuthanized 3 stillborns/dystocias3 stillborns/dystocias 1 calf rejected1 calf rejectedNo seroconversions or culture No seroconversions or culture positive animals through 21 positive animals through 21 tested so far.tested so far.

14 open animals held for 14 open animals held for breeding this summerbreeding this summer

Bison Quarantine Feasibility Study – Bison Quarantine Feasibility Study – Update August ‘08 Update August ‘08

Phase I-Brogan FacilityPhase I-Brogan Facility

112 yearlings accepted from YNP Mar/Apr 112 yearlings accepted from YNP Mar/Apr 20082008

11stst test- May 21 test- May 21stst 2008 200822ndnd test- June 25 test- June 25thth

33rdrd test- July 24 test- July 24

Testing continues until cohort negativeTesting continues until cohort negative

2 chute mortalities2 chute mortalities1 death neurological signs-rabies neg1 death neurological signs-rabies neg1 dead unknown cause1 dead unknown cause23 seropositive or suspects cultured23 seropositive or suspects cultured

85 total in herd: 22 M; 63 F85 total in herd: 22 M; 63 F

Bison Quarantine Feasibility Study – Bison Quarantine Feasibility Study – Update August ‘08 Update August ‘08

Phase I-Brogan FacilityPhase I-Brogan FacilityFuture work:Future work:

44thth herd test-August 2008 herd test-August 2008

Slaughter and culture ½ of Slaughter and culture ½ of animals after 2 consecutive animals after 2 consecutive negative serological herd negative serological herd tests.tests.

Culture results pending on Culture results pending on seropositives shipped to seropositives shipped to slaughter**slaughter**