Drones Improve Forage Quality Estimates for Pastures

New research evaluates multispectral imagery to help optimize livestock nutrition in Mediterranean grazing environments.

Updated on Oct. 20, 2026 in Organic Food

Bold vector editorial illustration of a small drone flying over golden pasture grass, depicting agricultural technology used for grazing assessment.
Researchers are using drone-based multispectral imagery to improve pasture management and optimize livestock nutrition in Mediterranean regions prone to seasonal variability. AI Illustration. Upload story photo >

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Researchers have demonstrated that drone-based multispectral imagery can effectively estimate forage quality and nutrient yields in Mediterranean pastures. This technology provides a scalable method for assessing essential grazing resources.

Why it matters

Accurate tracking of forage nutritive value is critical for precision livestock systems, especially in regions prone to significant seasonal variability. This approach helps farmers better manage resources to maintain consistent animal health and pasture productivity.

The study analyzed samples from 28 georeferenced plots over four sampling dates. Researchers specifically measured fiber components using 48-hour and 240-hour incubation periods for digestible and undigested neutral detergent fiber respectively.

The players

DJI

DJI is a global technology company specializing in the manufacturing of civilian drones and aerial imaging equipment.

MicaSense

MicaSense is a sensor manufacturer that develops multispectral imaging solutions specifically for agricultural analysis and research.

The details

The team utilized DJI Mavic 3 Multispectral and MicaSense Altum-PT sensors to capture data, identifying EVI2, GI, and GRVI indices as reliable predictors for fiber, crude protein, and ash yields. By integrating these spectral responses with dry biomass data, the researchers calculated areal yields in grams per square meter.

Timeline

  1. The data collection spanned two growing seasons.

Culture Shift

This research aligns with the broader move toward precision agriculture, where farmers are increasingly replacing manual field sampling with remote sensing technologies. It signals a shift from reactive pasture management to proactive, data-driven decisions that reduce waste and optimize nutrition.

Livestock producers can use these findings to refine their grazing rotations, potentially lowering feed costs by maximizing natural pasture intake. The research offers a roadmap for integrating affordable drone sensors into daily farm management routines.

The takeaway

Using drone-based vegetation indices allows for more precise nutritional management of livestock pastures without constant physical testing. Implementing these spectral analysis tools can help operators ensure consistent nutrient availability even as seasonal conditions change.

Further reading

Learn more about sustainable agricultural practices in our Organic Food section.

More information

Review the full findings in the peer-reviewed research article.

Source note: This article includes information reported by Nature.

Live Poll

Do you believe agricultural technology significantly improves the efficiency of livestock grazing management?