Good and Bad classification of chicken (Gallus gallus domesticus)
Description
Classification is based on freshness, sensory quality, and safety. Good (Fresh) Chicken Color: Pink to light reddish. No green or gray patches. Odor: Neutral or mild meaty smell. Texture: Firm and elastic. Springs back on touch. Skin: Moist but not slimy. No sticky layer. Eyes and comb in live or dressed birds: Clear eyes. Bright red comb. Packaging: No swollen pack. No excess drip. pH: Around 5.8–6.2. Microbial load: Low. No visible spoilage. Bad (Spoiled) Chicken Color: Gray, greenish, or yellow discoloration. Odor: Sour, rotten egg, or ammonia smell. Texture: Soft, mushy, or sticky. Skin: Slimy with tacky surface. Eyes and comb: Dull eyes. Dark or bluish comb. Packaging: Bloated pack due to gas. pH: Above 6.4. Microbial load: High. Slime or mold may appear. Decision rule: Any off-odor or slime means reject. Cooking does not make spoiled chicken safe.