Topics:
Animal Nutrition, Animal Refresher
In-Vivo Methods of Digestibility Estimation
Which of the following is/are an in-vivo method of digestibility estimation?
- Only Nylon/Dacron bag technique
- Both Nylon/Dacron bag and VIVAR technique — Correct Answer
- Only VIVAR technique
- Only conventional total collection method
Explanation:
Correct Answer: Both Nylon/Dacron bag technique and VIVAR technique
Both are in-vivo methods performed inside a living animal:
- Nylon/Dacron bag (In-sacco): Feed in porous nylon bags placed in rumen via cannula. Measures rate and extent of rumen degradation.
- VIVAR (In-Vivo Artificial Rumen Technology): Artificial rumen system implanted in the living animal.
Collection Periods
- Adjustment: 10–12 days (ruminant); 7–10 days (horse, swine)
- Collection: 7–10 days for all species
📚 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.