Topics:
Animal Nutrition, Animal Refresher
Deficient Amino Acid in Blood Meal
Blood-meal is richest in lysine amino acid while deficient in:
- Leucine
- Isoleucine — Correct Answer
- Proline
- Glycine
Explanation:
Correct Answer: Isoleucine
Blood meal is the richest natural source of Lysine (~8–9% of CP) but is characteristically and severely deficient in Isoleucine, making it an unbalanced protein source when used alone.
Animal Protein Sources — Amino Acid Profile
| Feed Ingredient | Richest in | Deficient in | CP% |
|---|---|---|---|
| Blood meal | Lysine | Isoleucine | ~80–85% |
| Fish meal | Lysine, Methionine | — | ~60–65% |
| Collagen/Gelatin | Glycine | Tryptophan, Cysteine | ~85% |
| Feather meal | Cysteine | Lysine, Methionine | ~85% |
Key EAA by Species (from notes)
- Pig: Lysine | Poultry: Glycine | Sheep: Methionine | Cat: Taurine
📚 About this Topic — Animal Nutrition
This multiple choice question is from Animal Nutrition, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Nutrition to strengthen your preparation.