Poultry Judging Practice Test 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 515

What is the primary function of myoglobin in poultry?

Oxygen transport

Myoglobin's primary function in poultry, as well as in other muscles, is oxygen transport. Myoglobin is a protein found in muscle tissues that binds oxygen molecules and facilitates their transport and storage within the muscles. This is crucial during physical activity, where muscles require an adequate supply of oxygen for energy production through aerobic metabolism. The presence of myoglobin gives dark meat its characteristic color, which indicates a higher content of this protein and, consequently, a greater capacity for oxygen storage. This function is especially important in birds that engage in prolonged or sustained activities, as myoglobin helps them maintain endurance by ensuring that muscle tissues receive oxygen efficiently.

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Carbon dioxide removal

Energy production

Fat storage

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