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United States Department of Agriculture (USDA) 2019

EFFECTS OF GRAZING RARAMURI CRIOLLO VS. BRANGUS COWS ON CHIHUAHUAN DESERT VEGETATION AND SOILS

Grazing Chihuahuan Desert

United States Department of Agriculture (USDA) National Institute of Food and Agriculture

Titre : EFFECTS OF GRAZING RARAMURI CRIOLLO VS. BRANGUS COWS ON CHIHUAHUAN DESERT VEGETATION AND SOILS

Identification : 1019148

Pays : Etats Unis

Durée : START : 22 APR 2019 TERM : 30 SEP 2023

Résumé
Ranching supports the livelihood of rural populations along the US-Mexico border in the desert Southwest. Changing climate is posing new challenges to ranchers across the region. At the Chihuahuan Desert Rangeland Research Center we have found that in southern New Mexico, summers are getting hotter, rainfall is becoming more variable, and the onset of summer rains is happening later in the year. Over the past 50 years grass production at our research site declined by 38%. New strategies are needed to meet these unprecedented challenges. A growing number of ranchers in our region are beginning to raise desert hardy cattle breeds that are able to cope with more variable forage conditions and hotter temperatures. One of such breeds is the Raramuri Criollo from the Copper Canyon in Chihuahua, Mexico. This cattle biotype, which descends from cattle introduced by Spainsh Conquistadors approx. 500 years ago, has been maintained with minimal crossbreeding by the Tarahumara people in the Sierras of the same name. It is believed that these cattle are better able to cope with a hotter and more variable enviroment while inflicting a lower environmental footprint on desert rangelands. However, up until now, the environmental footpring of these smaller and lighter cows has not been determined. Our study will compare the impact of raising Raramuri Criollo vs. (larger) Brangus cows on Chihuahuan Desert Pastures. We plan to record detailed measurements of desert vegetaion and soils as well as animal behavior, production and wellbeing.

Performing Institution : NEW MEXICO STATE UNIVERSITY 1620 STANDLEY DR ACADEMIC RESH A RM 110 LAS CRUCES, NEW MEXICO 88003-1239
Investigator : Cibils, A.

Présentation : USDA (NIFA)

Page publiée le 19 décembre 2019, mise à jour le 17 janvier 2021