bovine tb surveillance in privately owned cervids cherie collins, d.v.m. michigan department of...

Bovine TB Surveillance in Privately Owned Cervids

Cherie Collins, D.V.M.

Michigan Department of Agriculture and Rural DevelopmentAnimal Industry Division

Bovine TB & You ConferenceHillman, MI

March 29, 2014

MDARD PRIORITIESAssure Food Safety

Protect animal and plant health

Sustain environmental stewardship

Provide consumer protection

Enable rural development

Foster efficient administrative operations

Director Jamie Clover Adams

POC Industry Trend

Registration ClassesCLASS # Active

HOBBY (No movement) 20

EXHIBITION 32

RANCH (No live animals leave facility) 112

FULL (Breeding) 173

TOTAL REGISTRATIONS 337

Species Breakdown

  Hobby Exhibition Ranch Full

Axis deer 3

Elk 178 6 822 1840

Fallow deer 64 14 545 673

Mule deer 8

Muntjac 4 8 17

Red deer 66 8 281 171

Reindeer 24 71 3 72

Sika deer 5 15 148 187

White-tailed deer 493 36 21256 9268

TOTAL 838 154 23063 12231

TB Surveillance in POC

Live animal testing (accredited herds and for movement purposes)

Slaughter surveillance (ranches)

TB Testing in MI 64 private practitioner veterinarians

in the state of Michigan have been trained and are willing to conduct TB tests in cervids.

State or Federal Veterinarians conduct the follow up testing on suspect animals.

Types of Tests Available

10

Skin test Blood test (became available in Feb

2013)

• Skin Testing• Requires chemical immobilization or

handling facility. • Inject & read 3 days apart.

TB Accredited Herds

To achieve TB accreditation:2 whole herd tests (all animals over

12 months of age) within 9-15 months.

Then whole herd tests are required every 36 months.

Movement Testing Requirements

Interstate movement: Accredited status makes movement

easier.Intrastate movement:

Variety of TB testing rules apply for movement.

# TB Accredited Herds

100 Full Facilities5 Exhibition Facilities

TB slaughter surveillance

Visual inspection of lymph nodes

Submandibular Parotid Retropharyngeal Mediastinal Bronchial

Visual inspection of lungs

TB Testing in MI Heads submitted for CWD testing

checked for signs of TB

Since January 2007, there have been 9,219 heads/samples checked for TB.

Of the 9,219 heads/samples checked for TB, 3,182 were checked since January 2010.

TB positive Cervid Facilities in Michigan

There are currently two TB positive cervid

facilities in the state of Michigan. Both facilities are located in Montmorency County. 

These facilities were designated as TB positive in December 2008, and February 2009.

Questions and Comments

21