Question

define location period .name two breeds of cattle which are selected for cross breeding due to their long lactation period .why are they crossed with local breeds?

Answer 1

Milch – Jersey, Holstein Friesian- These cattle breeds are selected for there long lactation period

Answer 2

Answer:

Selective breeding involves choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics. Humans have selectively bred plants and animals for thousands of years including: crop plants with better yields.

Explanation: