Lecture 1

Question 1

What is McKenzie’s Maxim theory

Answer 1

The animal species, the dose and the circumstance make the poison

Question 2

Can you develop resistance to toxins

Answer 2

Yes

Question 3

5 reasons for plant toxicitys

Answer 3

1. Defence against herbivors
2. Defence against mammals
3. Prove competitiveness
4. Disturbance of normal plant physiology by envronmental conditions
5. Defence against environemnt

Question 4

How to prevent poisoning

Answer 4

1. Land renovating
2. Education
3. Plant control
4. Immunisation
5. Manipulation of rumen flora
6. Creation of adverse conditions

Question 5

Signs of plant toxicity

Answer 5

1. Sudden death
2. Diarrhoea
3. Acute liver necrosis
4. Nephrosis
5. Photosensitisation
6. Blood loss and destruction
7. Chronic ill thrift
8. Nervous syndromes
9. Blindess
10. Respiratory syndromes
11. Heart failure
12. Bone syndromes
13. Hair loss and dermatitis
14. Reproductive syndromes
15. Neoplasia