levo

Food Safety Through the Food Chain

Animal and plant health risks

  • 3 things to know
  • A2 1

Overview

Veterinary medicine residues and withdrawal periods, antimicrobial resistance, BSE and animal feed, pesticide maximum residue levels, and mycotoxins such as aflatoxin and patulin.

What you need to know

Answer each one before you reveal it.

Your recallNot started
Key term

What is a veterinary medicine withdrawal period?

Key term

Why are veterinary medicine residues in food a risk to public health?

Key term

Explain how overuse of antibiotics in farm animals threatens human health.

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is a veterinary medicine withdrawal period?

    Model answer

    A withdrawal period is the minimum time between an animal's last dose and slaughter, or collection of milk or eggs. The interval lets residues fall below safe limits.

  2. 2

    Why are veterinary medicine residues in food a risk to public health?

    Model answer

    Residues can cause allergic reactions in sensitive consumers, for example to penicillin. Antibiotic residues can also contribute to antimicrobial resistance.

  3. 3

    Explain how overuse of antibiotics in farm animals threatens human health.

    Model answer

    Frequent antibiotic use selects for resistant bacteria in the animal gut. Resistant strains of bacteria such as Salmonella can then reach people through food and become harder to treat.

  4. 4

    What did the EU ban in 2006 to limit antimicrobial resistance from farming?

    Model answer

    The EU banned antibiotics as growth promoters in farm animals from 2006. Antibiotics may still be used to treat sick animals under veterinary control.

  5. 5

    How did animal feed cause the BSE crisis?

    Model answer

    Cattle were fed meat-and-bone meal made from the carcasses of infected animals. The infective prion spread through the herd and was linked to variant CJD in humans.

  6. 6

    How was the feed route for BSE closed?

    Model answer

    A 1988 ban stopped ruminant protein being fed to ruminants. The ban was extended in 1996 to mammalian meat-and-bone meal in all farm animal feed.

Other ways to work this

The same content, four other ways.

What is inside Levo

Six ways to work the same material.

1Closed book
2Open book
3Closed book

See a huge jump in your memorisation

Answer cold, learn it, then prove it stuck. Levo tracks the jump between your first attempt and your last.

Protein
Fat
Carbohydrate
Vitamins

Cram a whole paper in one sitting

Sort every topic into what you know and what you do not, then drill only the weak ones.

Nicotine also blood vessels.
narrowsrelaxesreleases

Blank Blitz consolidates the facts

Rapid timed gap-fills on the terms and numbers you need to recall without thinking.

AThe man's intake is 75% of the RNI.
BThe working is 30 ÷ 40 × 100 = 75%.
CThe intake is well above the LRNI.

Build It trains answer structure

Assemble a full-mark answer from its marking points, in the order an examiner wants them.

Overweight means an adult BMI from 25 up to 29.9.
TrueFalse

Test It catches misconceptions

Spot the fault in a statement. The traps are the mistakes students actually make.

721941163128510

Brain Breaks between sessions

Short focus games to reset attention, so the next set lands better than the last.

Every question in Food Safety Through the Food Chain, on a schedule.

Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.

Or £46 a year, about £3.83 a month. Cancel anytime.