Inbreeding depression can be overcome by: 1) mating of animals of same breed, but having no common ancestors on either side of their pedigree upto 4-6 generations 2) mating males of one breed with superior females of another breed 3) interspecific hybridisation 4) all of these The answer is given (1), but isnt it (4)? If (1) can prevent inbreeding depression, surely (2) and (3) also can right?

Q. Read the following statements.

(i) In this method of breeding, the mating of animals occurs within the same breed.

(ii) The animals selected for mating have no common ancestors on either side of their pedigree upto 4 - 6 generations.

(iii) It is the best breeding method for those animals that are below average in productivity in milk production, growth rate in beef cattle.

(iv) It helps to overcome inbreeding depression.

The features mentioned above refer to which type of breeding?

Q. A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement
a. Mating of closely related individuals within the same breed
b. Mating of animals of same breed but having no common ancestors on either side for 4-6 generations
c. Mating of animals of two different species
d. Breeding of animals belonging to different breeds.

(i) Cross breeding, (ii) Inter-specific hybridization, (iii) Out breeding, (iv) Out crossing, (v) Inbreeding

Q. Mating of two varieties of cattle breed which have no common ancestors on either side of their pedigree for 4–6 generations is an example of

Q. Which of the following statement(s) is/are correct?

(i) Out-breeding is the breeding of unrelated animals which may be between individuals of the same breed but having no common ancestors for 4 - 6 generations or between different breeds or between different species.

(ii) Cross breeding allows the desirable qualities of two different breeds to be combined.

(iii) In interspecific hybridisation, male and female animals of two different but related species are mated.

Q. Mating of two varieties of cattle breed like Red Dane which have no common ancestors on either side of their pedigree for 4-6 generations is an examples of :