Leonardo Airaldi, a cattleman in Argentina's  Entre Rios Province, recently demonstrated for visitors how he swims his cattle across a river to fresh grazing.
This is a common practice in his area . Airaldi's farms adjoin the Parana River delta – an area laced with a web of rivers and small islands. The government allows beef producers to graze these islands.
Airaldi and his family run two large cow herds that produce 2,000 calves/year. They grow their calves out more than a year on pasture, then finish them on a corn-silage-based ration. The Airaldi family also sells some of their production as breeding stock. Most of the cattle  we saw are either Hereford and Red Angus.
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