Pocket Guide Cattle - CFSPH
Transcript of Pocket Guide Cattle - CFSPH
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FOOT AND MOUTH DISEASE (FMD)
Pocket Guide
August 2015
Cattle
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Ack
now
ledg
emen
tsAcknowledgements
This Pocket Guide was developed to enhance foot and mouth disease surveillance in cattle through cooperative agreement 14-9100-1473. The cooperative effort included contributions from the United States Department of Agriculture (USDA), the American Association of Bovine Practitioners (AABP), the National Cattlemen’s Beef Association (NCBA), the National Milk Producers Federation (NMPF), and the Center for Food Security and Public Health at Iowa State University College of Veterinary Medicine.
The developers would like to credit the USDA APHIS Foreign Animal Disease Diagnostic Laboratory and the U.S. Department of Homeland Security (DHS) Primus Visual Information Services at the Plum Island Animal Disease Center (PIADC) for the use of the images of cattle infected in a laboratory setting with foot and mouth disease virus. We would like to thank the DHS Animal Resources Branch at PIADC for caring for these animals during this project.
Cover photos courtesy of iStockphoto.com
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Intr
oduc
tionIntroduction
The cattle illustrated in this guide were infected with foot and mouth disease virus (FMDV) by contact with a pig experimentally inoculated intradermally with FMDV serotype O1 Brugge. The cattle and pig were initially housed in the same room. The pig showed vesicular lesions on all four feet on day two after inoculation. For the purpose of this Pocket Guide, the first day of contact was considered to be the day when FMD vesicles appeared on the inoculated pig. Note that FMDV infected animals may shed virus prior to the appearance of clinical signs.
With the exception of images depicting teat lesions, the images in this guide were taken in a laboratory setting. The animals were sedated, and the areas where lesions were present were cleaned to provide the best quality images for educational purposes. These do not reflect field conditions and lesions may look different on cattle on farms.
Illustration credit: Dr. Fred Brown
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Clin
ical
Sig
nsClinical Signs
FMD is a highly contagious viral disease that affects cloven-hoofed (two-toed) animals (cattle, pigs, sheep, goats, some wildlife). Onset and severity of clinical signs will vary between animals. Vesicular lesions (blisters, ulcers, and sores) in cattle may be found in the mouth and on the feet, muzzle/nostrils, and teats. Cattle with FMD may exhibit one or more of the following clinical signs:
• Drooling • Reluctance or inability to eat • Lameness• Reluctance to move• Redness and/or blanching of coronary bands
Early recognition of FMD signs and prompt reporting are critical to containing this highly contagious disease.
Cattle that recover from FMD infection may have long term health issues including:
• Poor growth and performance• Chronic mastitis• Chronic lameness
• Nasal discharge • Fever (103 - 106oF; 39.4 - 41.1°C) • Depression • Decreased milk production in lactating cattle • Sudden death in young calves due to myocarditis
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Excessive salivation due to mouth lesions; nasal discharge.
Drooling
Dro
olin
g
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LamenessLa
men
ess
Foot lesions may cause animals to shift weight or spread out their front feet, be reluctant to move, and have a hunched back.
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Severe erosions/ulcerations on two teats covered with crust material.
Multifocal erosions/ulcerations on two teats covered with crust material.
Teat Lesions
Teat
Les
ions
These teat lesions from cattle in India are estimated at 3-7 days following exposure. Image credit: Rajeev Ranjan, Project Directorate on FMD, Indian Council of Agricultural Research.
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Den
tal P
ad, T
ongu
e D
ay 1
No visible lesions.No visible lesions.
Day 1 Dental Pad, Tongue
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Normal interdigital skin.
No visible lesions.
Fron
t of
Hoo
f, In
terd
igita
l Ski
n D
ay 1
Day 1 Front of Hoof, Interdigital Skin
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No visible lesions.Blanching and erosion of coronary band.
Late
ral H
oof,
Hee
l D
ay 1
Day 1 Lateral Hoof, Heel
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Vesicle (3 cm diameter) on dorsal edge of tongue surface.
Blanching of dental pad.
Den
tal P
ad, T
ongu
e D
ay 3
Day 3 Dental Pad, Tongue
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No visible lesions.Vesicle on interdigital skin.
Fron
t of
Hoo
f, In
terd
igita
l Ski
n D
ay 3
Day 3 Front of Hoof, Interdigital Skin
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Small ruptured vesicle on coronary band with blanching.
Day 3 Lateral Hoof, Heel
Late
ral H
oof,
Hee
l D
ay 3
Small early vesicle on interdigital skin.
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Multifocal and coalescing erosions and ulcers with fibrin on dorsal surface of tongue.
Linear erosion on dental pad with fibrin.Den
tal P
ad, T
ongu
e D
ay 7
Day 7 Dental Pad, Tongue
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Ruptured interdigital vesicles with flaps of necrotic skin.
Ruptured interdigital skin vesicle.
Fron
t of
Hoo
f, In
terd
igita
l Ski
n D
ay 7
Day 7 Front of Hoof, Interdigital Skin
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Discoloration and necrosis of interdigital skin. Ulceration along coronary band.
Late
ral H
oof,
Hee
l D
ay 7
Day 7 Lateral Hoof, Heel
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Day 10 Dental Pad, Tongue
Erosions of dental pad with fibrin. Healing and re-epithelialization of tongue surface.
Den
tal P
ad, T
ongu
e D
ay 1
0
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Ruptured vesicle on interdigital skin.
Extensive necrosis of interdigital skin with granulation tissue formation.
Day 10 Front of Hoof, Interdigital SkinFr
ont o
f Hoo
f, In
terd
igita
l Ski
n D
ay 1
0
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Extensive necrosis at the posterior coronary band with granulation tissue formation.
Extensive ulceration along coronary band with granulation tissue formation.
Day 10 Lateral Hoof, Heel
Late
ral H
oof,
Hee
l D
ay 1
0
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Further healing of tongue epithelium.Healing and contracture of dental pad erosions.D
enta
l Pad
, Ton
gue
Day
14 Day 14 Dental Pad, Tongue
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Day 14 Front of Hoof, Interdigital Skin
Fron
t of H
oof,
Inte
rdig
ital S
kin
Day
14
Extensive rupture of interdigital vesicles and formation of granulation tissue.
Healing with formation of granulation tissue of interdigital skin.
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Ulceration along coronary band and beginning of the healing process.
Late
ral H
oof,
Hee
l D
ay 1
4 Day 14 Lateral Hoof, Heel
Separation of hoof wall and extensive necrosis of interdigital skin.
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Tongue healing is almost complete.Healing of dental pad erosions is almost complete.
Den
tal P
ad, T
ongu
e D
ay 1
8Day 18 Dental Pad, Tongue
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Interdigital skin healing by granulation tissue.
Fron
t of H
oof,
Inte
rdig
ital S
kin
Day
18 Day 18 Front of Hoof, Interdigital Skin
Interdigital skin healing by granulation tissue.
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Coronary band erosion healing.
Healing progression. Late
ral H
oof,
Hee
l D
ay 1
8Day 18 Lateral Hoof, Heel
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Procedures to follow if you suspect a Foreign Animal Disease
1. Make “the Call.”Call the USDA APHIS Assistant Director (AD) for your state or your State Animal Health Official (SAHO). Contact information for your AD or SAHO can be obtained by calling (866) 536-7593. You can also call the USDA Emergency number (800) 940-6524 (24 hours) for assistance.
2. Discuss How to Proceed.The AD or SAHO will let you know approximately when the Foreign Animal Disease Diagnostician (FADD) will conduct a site visit. You should discuss precautions to take regarding people movement and contact with animals while waiting for the FADD to arrive. They will also want to gather information from those involved with the operation. Discuss the next steps to follow with the AD or the SAHO you have contacted.
Information will be kept confidential during the investigation.
Pro
cedu
res
to f
ollo
w if
you
sus
pect
a
Fore
ign
Ani
mal
Dis
ease
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Items to be discussed over the phone or when the FADD arrives may include:• When were the first lesions evident?• When were animals last transported from the operation and what was their destination?• When were these animals delivered to the operation and where did they come from?• Do you or your employees care for other livestock?• How many employees work at this location?• Do the employees have livestock at home?• Is equipment shared between operations or with neighbors?• When was feed last delivered to the operation?• Have there been any foreign visitors to the operation?• Have any employees recently visited a foreign country?
3. Assisting the FADDWhen the FADD arrives, the veterinarian, producer, and FADD will work together. Many questions will need to be answered during the investigation. Be assured that there will be a constant stream of communication to keep everyone informed of the procedures for sample testing and the timeframe involved.
Pro
cedu
res
to f
ollo
w if
you
sus
pect
a
Fore
ign
Ani
mal
Dis
ease
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Thank you to all of the individuals who contributed to this publication.
USDA APHIS Plum Island Animal Disease Center (PIADC) Foreign Animal Disease Diagnostic Laboratory
• Fawzi Mohamed • Gregory Mayr
U.S. Department of Homeland Security PIADC/Primus Visual Information Services
• Kathy Apicelli
U.S. Department of Homeland Security PIADC Animal Resource Branch
• Bill White• Dennis Michels
Project Directorate on Foot and Mouth Disease, Indian Council of Agricultural Research
• Rajeev Ranjan
USDA APHIS Veterinary Services
• Elizabeth Clark
• Karyn Havas• Fernando Torres-Velez
• Jeffrey Babcock • Philip Doucett
• Michael Carter
• Ping Wu• Anthony Gonzalez
• Ralph Soto
Cre
dits
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American Association of Bovine Practitioners
• Gatz Riddell
National Cattlemen’s Beef Association
• Kathy Simmons
National Milk Producers Federation
• Jamie Jonker
Center for Food Security and Public Health Iowa State University College of Veterinary Medicine
• Danelle Bickett-Weddle• Reneé Dewell
Iowa State University does not discriminate on the basis of race, color, age, ethnicity, religion, national origin, pregnancy, sexual orientation, gender identity, genetic information, sex, marital status, disability, or status as a U.S. veteran. Inquiries regarding non-discrimination policies may be directed to Office of Equal Opportunity, 3410 Beardshear Hall, 515 Morrill Road, Ames, Iowa 50011, Tel. 515 294-7612, email [email protected].
• Abbey Smith• Jim Roth
• Tessa Klein• Dani Ausen
Cre
dits
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ISBN# 978-0-9846270-4-2