Which technique is alternatively known as the In-situ or nylon bag technique ________________________?
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Answer: B. In Situ
Explanation
The nylon bag technique used to measure feed degradability is scientifically known as In Situ. Researchers place feed samples inside porous synthetic bags directly into the rumen. This method allows rumen microbes to digest the feed while retaining particles for analysis. Ruminant nutritionists use the In Situ technique to determine dry matter and protein disappearance. Porous bags made of synthetic materials like nylon or polyester allow microbial access. Calculations from bag weight loss reveal how quickly feedstuffs degrade in the digestive tract.
Animal nutrition researchers evaluate novel forage crops and feed supplements using rumen cannulation. Accurate degradability data helps formulate cost-effective rations for dairy and beef cattle. Understanding rumen kinetics improves feed conversion efficiency and reduces methane emissions. In Vivo studies involve whole living animals but do not refer specifically to nylon bag methods. In Vitro techniques simulate digestive processes in laboratory glassware rather than inside the rumen. Option D is incorrect because In Situ is the correct scientific term for this technique.
- Subject
- Agriculture
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- Agriculture
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- —
- Difficulty
- medium
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