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Home » Authors » Marcelo Wallau

Articles by Marcelo Wallau

An unusual year for cool-season forages; what have we learned?

A dry fall and repeated cold snaps limited stockpiling and slowed cool‑season annual establishment. Seedlings and early‑stage plants were most affected, widening winter forage gaps.
March 20, 2026
Liliane Severino da Silva and Marcelo Wallau

A dry fall followed by repeated cold snaps stalled cool‑season forage growth across the Southeast, exposing vulnerabilities even in normally resilient systems.


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Sorghum-sudan as an alternative summer forage for the Southeast

Warm‑season annual forages such as sorghum-sudan, pearl millet, sunn hemp and cowpea offer superior nutritive value and daily gains compared to perennial warm‑season grasses. They can support 2 to 3 pounds of gain per head per day and high stocking densities when managed intensively.
January 21, 2026
Maria Elena Maihos and Marcelo Wallau

Warm‑season annuals are gaining attention in the Southeast as producers look for higher‑quality forages that outperform traditional bahiagrass and bermudagrass.


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Reflections on rotational versus continuous stocking

Lack of a clear definition and preconceived assumptions for these words/themes may promote misconceptions, thus hindering the opportunity for critical thinking and ultimately the advancement and improvement of grazing systems.
September 9, 2022
Miguel Castillo and Marcelo Wallau

In conversations with colleagues working in extension as well as with livestock and land managers around the country, we observed that particular assumptions and buzz words arise frequently and can dominate discussions in the realm of grazing management.



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2021 Southeastern Hay Contest

October 20, 2021
Lisa Baxter, Leanne Dillard, and Marcelo Wallau
What does it mean to have good-quality hay? Well, here in the Southeast means you can get some nice prizes and a lot of recognition. That is what the Southeastern Hay Contest (SEHC) has been proudly doing for 17 years, recognizing the effort put by our farmers on producing good-quality hay.
Read More

2020 Southeastern Hay Contest results

January 5, 2021
Ash Alt, Lisa Baxter, Leanne Dillard, and Marcelo Wallau
Amid many challenges of 2020, with COVID-19, lockdowns and disruption of supply chains, our livestock still have to eat, and our farmers did not stop working.
Read More

What is the right grazing management?

October 30, 2020
Jean Savian and Marcelo Wallau

Discussing grazing management can easily be just as problematic as other controversial topics such as politics, religion and sports. Everyone has a style, “mine is better than yours” and “this is the right way.”


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Annual cool-season forages: A viable option for feed and wastewater management

October 1, 2020
Cheryl Mackowiak and Marcelo Wallau

Corn silage is often the main feed source for dairy production systems. However, annual cool-season forages can be a viable option for merging forage production and nutrient management during the “off season.”


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