Back to: Animal Husbandry SS 3
Welcome to today’s class!!
We are thrilled to have you in our class!!
In today’s Animal Husbandry’s class, we will be learning about Methods of Farm Animal Improvement (Breeding And Hybridization)
Breeding And Hybridization
As we have come to know from our previous classes, improving animals health is important. Whether or not you choose to read them or eat them, being concerned about what they eat and do, is important.
Animal improvement focuses on ways of developing and breeding only those animals that show the greatest positivity under consideration such as good feed conversion, growth rate, disease resistance and egg size.
When we talk about Breeding and Hybridization, it is simply referring to transferring some things found in a particular animal to another. As children, you often hear people say how much of your father or mother you look. Sometimes, your parents say you have got some qualities from them. Think of Breeding and Hybridization that way.
Breeding involves the development of animals by transferring inherited qualities from parents to offspring. And this is achieved when two animals consisting of male and female come together to make babies. In science, it is called mating.
Types of Breeding
- In-breeding: This involves the mating of more closely related animals than the average of the population from which they come, for example, the mating of father to daughter, son to mother or brother to sister.
Importance of In-breeding
- It produces offspring with undesirable characteristics because of recessive genes showing up.
- It also enables the farmer to get desired character or quality well developed in an animal.
- In-breeding helps to produce inbred lines that can be used for cross breeding to produce hybrid vigour.
- It also leads to in-breeding depression.
On the other hand, hybridization can be also considered as a potential threat to the existence and survival of animals. Gathering of dangerous outbreeding depression and genetic swamping are among harmful consequences of hybridization. In extreme cases, severe outbreeding depression and reduction in the population growth rate below the replacement rate due to wasted reproductive effort in one or both parental lineages may lead to extinction. High risk of extinction due to hybridization has been reported for rare or endangered species interbreeding with more common relatives.
Evaluation
What is animal improvement?
Reading Assignment
List the methods used for animal improvement.
Weekend Assignment
Explain how Breeding is different from Hybridization.
We hope you enjoyed today’s class. In our next class, we will be learning about Artificial Insemination.
Let us know your thoughts and questions in the comment section, and we will attend to them as fast as we can.
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