Correlation Between Associated Production Traits
Milk yield & Fat yield in dairy animals, egg size & egg weight in poultry are __________ traits-
- Positively correlated — Correct Answer
- Negatively correlated
- No correlation
- None
Explanation:
Correct Answer: Positively correlated
Milk yield & fat yield in dairy animals, and egg size & egg weight in poultry are positively correlated traits — as one increases, the other also increases.
Examples of Positively Correlated Traits
- Size of eggs and weight of eggs
- Milk yield and fat yield (kg) of dairy animals
- Heavier sheep produce more wool
- Heavier hens produce larger eggs
- Birth weight and weight at weaning in cattle
Examples of Negatively Correlated Traits
- Milk yield and fat% (percentage)
- Number of eggs produced and size of eggs
Traits with No Correlation
- Milk yield & horn length
- Normal body temperature & body size
Correlation Coefficient
| Value | Interpretation |
|---|---|
| r = +1 | Perfect positive correlation |
| r = −1 | Perfect negative correlation |
| r = 0 | No correlation |
📚 About this Topic — Animal Genetics & Breeding
This multiple choice question is from Animal Genetics & Breeding, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Genetics & Breeding to strengthen your preparation.
