61 Poultry Science- ICAR JRF/SRF 2024 MCQ (Single Correct) Necrotic dermatitis of chicken feet is occurred due to deficiency of A Mn Correct Incorrect B F Correct Incorrect C 2n Correct Incorrect D Mg Correct Incorrect Check Answer EXPLANATION Mineral and Vitamin Nutrition: Calcium, Phosphorus, Trace Minerals and Deficiencies Zinc Deficiency Pathologies in Chickens:Zinc is essential for epidermal keratinization, epithelial integrity, and matrix metalloproteinases.primary deficiency of Zinc ($Zn$) in poultry causes: Shortening and thickening of long bones (perosis-like leg weakness). Severe hyperkeratosis and necrotic foot pad dermatitis (cracked, bleeding, encrusted lesions on the foot pads and toes). Poor feathering with frizzy, ragged feathers.nalysis: (Zn): Correct mineral deficiency.Correct option: (3) 2n Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report Prev Next