September 9, 2024 by Lachie

Touching on Practices for Grazing Management in TropicalTropical and Subtropical Pastures

When it comes to managing tropical and subtropical pastures, I always rely on the framework of the three P’s—Perennial, Productive, and Palatable—to guide my selection of grasses and legumes. Choosing perennial species that will persist over time reduces the need for constant replanting, while productivity ensures enough forage is available throughout the year and puts weight on stock. Palatability is equally important, ensuring livestock will readily consume the forage provided.

One crucial aspect of pasture management is recognising the importance of legumes as high-protein forages, which play a vital role in boosting weight gains in livestock. Legumes such as stylos and desmanthus varieties are not only rich in protein but also provide benefits by fixing nitrogen into the soil. This natural nitrogen fixation improves soil fertility. The combination of high protein content and enhanced soil health leads to healthier pastures and more efficient livestock weight gains, making legumes an essential component in any grazing system focused on long-term sustainability.

Rotational grazing is another critical practice I’ve found useful for managing pastures effectively. It allows for periods of rest and regrowth, preventing overgrazing, which is especially important in tropical regions where growth patterns vary with the wet and dry seasons. Managing stocking rates is equally important to avoid overburdening the land, and regular monitoring helps control weeds and maintain pasture quality.

By focusing on sustainable practices, like incorporating legumes and adjusting grazing strategies, I’ve been able to optimise both the health of pastures and the productivity of livestock.