Effect of High-Dose Galactomannan Supplementation on Milk Yield, Milk Composition, and Farm Revenue in Indigenous Lactating Cows and Buffaloes: A Multi-Farm Field Study

Author(s)	Dr Kavitha P P, Dr Ramana V Krishnan
Country	India
Abstract	Background: Optimizing rumen fermentation improves milk yield and milk fat. Fermentable fiber supplementation may enhance microbial efficiency in ruminants. Objective: To evaluate high-dose galactomannan supplementation on milk yield, milk composition, digestive health, and farm revenue in indigenous lactating cows and buffaloes. Methods: A multi-farm field study across three farms included 20 animals (10 indigenous lactating cows and 10 lactating buffaloes). Non-indigenous high-yielding breeds were not included. Each animal received 25 grams twice daily (total 50 g/day) of a supplement composed of one-third soluble fiber, one-third insoluble fiber, and one-third protein. Results: Milk fat increased from 6.0% to 8.6%. Milk solids excluding fat increased from 7.5% to 9.2%. Milk yield increased from 4 L to 5.5 L per milking session. Feed intake increased by approximately 20%. Water intake increased by 50–60%. Dung became well formed with no diarrhea observed. Animals demonstrated improved musculature and body tone. Improved milk production and dung quality contributed to enhanced revenue potential.
Keywords	Galactomannan, milk yield, milk far
Field	Biology
Published In	Volume 8, Issue 1, January-February 2026
Published On	2026-02-24

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