3. blood groups of domestic animals

Question 1

what are the 3 main differences between human blood cells and animals?

Answer 1

1. in animals there are no antibodies
2. in animals in many cases blood group antigens appear at the plasma and decreasing the chance of hemolysis of RBC
3. hemolysis and not agglutinating

Question 2

what is the meaning of polyvalent serum

Answer 2

contains various different antibodies

Question 3

what is the meaning of neonatal isoerythrolysis?

Answer 3

when the mother has antibodies against the blood type of the newborn.

Question 4

how many blood groups and blood groups antigens there are in cattle?

Answer 4

13 blood groups, and app. 100 blood group antigens

Question 5

what is the method for determining the cattle blood group?

Answer 5

hemolysis method:

1. RBC mixed with monovalent test serum + guinea pig or rabbit blood serum that contains complent factors
2. positive reaction: antigen-antibody complex is formed-> lysis of the RBC
   negative: RBC settle to the bottom of the test tube