Milk Yield-Fat% and Egg Number-Egg Size Correlation
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Question (English)
The relationship between milk yield and fat% in dairy animals, and the relationship between number of eggs produced and size of eggs laid by a hen is:
- Positive correlation
- No correlation
- Negative correlation ✓ Correct
- Perfect negative correlation (r = −1)
Explanation:
Correct Answer: Negative Correlation
From the notes:
- Milk yield and fat%: Negatively correlated. High-yielding cows have lower fat% due to the dilution effect — more milk produced means each litre contains a lower fat concentration.
- Number of eggs and egg size: Negatively correlated. Hens that produce more eggs tend to lay smaller eggs — a well-known antagonistic relationship in poultry breeding.
Summary of Key Correlations (from notes)
| Trait Pair | Direction |
|---|---|
| Milk yield & fat YIELD | Positive ✔ |
| Milk yield & fat % | Negative ✔ |
| Egg number & egg SIZE | Negative ✔ |
| Egg SIZE & egg WEIGHT | Positive ✔ |
📚 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.
