42 terms

Lecture 3

- The timely mass medication of a group of animals to eliminate or minimize an expected outbreak of disease.
- Preincubatory therapy.
Primary Prophylaxis
- Mass medication to prevent the development of a disease.
Secondary Prophylaxis
- Mass medication whereby the disease has already developed and the patient is protected against worsening of this process.
1) Feed
2) Water
3) Injection
- What are the 3 routes of mass medication?
1) Growth promotion
2) Improve feed efficiency
3) Disease prevention
4) Disease control
- What are 4 reasons for using feed grade antimicrobials?
- Can you write a prescription for a feed additive that deviates from the label directions?
- Can you mix feed additive products?
- What if there is a label clearance?
A licensed feed mill (1900 license)
- What do you need in order to mix concentrated articles for feed additives?
Feed Additive Compendium
- Where can you go to look for laws on feed additives?
1) Type A Medicated Feed Article
2) Type B Medicated Feed Article
3) Type C Medicated Feed Article
- What are the 3 traditional feed additive classifications?
Type A Medicated Feed Article
- Most concentrated.
- Produced by the manufacturer with FDA 356 approval.
Type B Medicated Feed Article
- Made from Type A products.
- Are not final feeds.
Type C Medicated Feed Article
- Made from Type A or B products.
- Complete final ration fed to the animal.
Veterinary Feed Directive
- Only 2 products available for this for feed additives.
- Like a prescription for the additive that goes into the feed.
- Can a producer purchase an VFD Drug if they do not possess a copy of a VFD written by a licensed veterinarian?
- Does a feed mill have to possess a copy of the VFD to distribute VFD Drug as an intermediate (Type B) feed or a final (Type C) feed to the producer?
- Does a distributor need to hold a VFD to inventory VFD drug/medicated feed and to re-sell VFD drug/medicated feed to another distributor?
- Does a distributor need to maintain good records of inventory and product transfer?
2 years
- A VFD form must be retained by all for how long?
Drug sponsor
- A VFD form is provided by who?
1) Veterinarian
2) Producer
3) Feed manufacturer
- A VFD form is a multicopy form with one form going to what 3 people?
1) Morbidity is great >10%
2) Individual animal treatment is detrimental.
- When is water medication indicated?
one ounce/gal
- Medication is metered into the drinking water at the rate of ____ of drinking water.
- One gallon of stock (concentrated article) will medicate ____ gallons drinking water.
1) New breeding stock
2) People traffic
3) Transport vehicles
4) Varmints
- What are the 4 hazards and control points for biosecurity?
Embryo transfer
- What is one of the safest ways to bring in new genetics into a breeding stock?
1) Limit sources.
2) Match health status b/t donor and recipient herds.
3) Establish minimum isolation/acclimatization period (30-60 days).
4) Manage I/A facilities all in/all out.
5) Maintain biosecurity b/t production unit and I/A facilities.
- What are 5 steps to successfully introduce new breeding stock?
- How do you monitor acclimatization?
1) Locate I/A facility away from production unit.
2) Bring in new stick at a younger age.
3) Manage for optimum growth and reproduction.
4) Allow adequate time for pathogen exposure.
5) Allow time for incubation.
6) Allow time for recovery.
7) Allow time for shedding to diminish.
8) Receiving facility must handle 60 day supply of incoming animals in one delivery.
- What are 8 keys to successful I/A?
1) Install perimeter fence.
2) Padlock outside doors.
3) Use signs directing visitors.
4) Provide shower in/shower out facilities.
5) Provide boots and coveralls.
6) Sanitize all incoming equipment.
- What are 6 barriers to entry you can create?
1) Do not load dirty trucks.
2) Construct loadout to prevent entry.
3) Install guillotine chute gate.
4) Establish "sacred" zones.
5) Provide drivers with boots and coveralls to be worn in the chute.
6) C&D&D loadout immediately after truck leaves.
- What are 6 chute rules that should be enforced?
1) Norway or Brown Rat
2) Roof Rat
3) House Mouse
- What are 3 major species of rodents?
Norway or Brown Rat
- Typically lives in burrows 50-100 ft from the barns. i.e. pack rat.
- Enters the barn particularly at night to feed.
- Moves along the side wall until it finds an opening.
Roof Rat
- Lives in the attic.
- Causes severe damage to buildings.
- Darker in color than Brown Rat.
1) Works best during down time.
2) Keep fresh feed available at all times.
3) Use several bait stations.
4) Remove all alternative feed sources.
- What are the 4 keys of rodent control?
1) Use zinc phosphide for 24 hrs.
2) Then use Bromethalin, Brodifacoum, or Bromodiolone in rotation.
3) Once kill accomplished, remove hiding places.
- How should you use rodenticides?
1) Keep manure flushed.
2) Keep alleys swept.
3) No feed under bins.
- What are 3 keys to fly control?
1) Tempo
2) BP 100 Pyrethrin
3) Gentrol
- What are 3 things you can use for spider and roach control?
- When should you remove dead animals?
- Keep dead animal holding and disposal areas ____ at all times.
1) Perimeter fence
2) Bird wire
3) Covered walkways
4) Trees
5) Hills
- What are 5 barriers you can install to control vectors and airborne diseases?
1) Soften dirt and manure with low pressure soak.
2) Use high pressure spray to remove organic material.
3) Rinse all surfaces.
4) Spray on surfactant or acid wash (Sentry).
5) Rinse all surfaces.
6) Disinfect.
7) Dry room.
8) Leave rooms vacant as long as possible.
- Describe the sanitizing protocol and all of the step's (are 8 of them).