Geoffrey Dahl

0000-0002-2182-6317

How Are Cows Cooled on Dairy Farms in Florida?

Bethany Dado-Senn, Geoffrey E. Dahl, and Jimena Laporta

Economic Feasibility of Cooling Dry Cows: Findings and Spreadsheet

Fernanda Ferreira, Geoffrey Dahl, and Albert De Vries

The negative effects of heat stress in lactating cows are well known, but only recent studies have explored those effects along with the full benefits of cooling dry cows. Recent work at the University of Florida has demonstrated the benefits of dry cow cooling on calf performance and cow health in the next lactation. This 5-page fact sheet discusses the economic losses from milk production due to heat stress, investment, utilities, maintenance, and feasibility analysis.

Methods to Relieve Heat Stress for Florida Dairies

I. M. Toledo, G. E. Dahl, R. A. Bucklin, and D. K. Beede

Recognizing Heat Stress in Dairy Cows

Izabelle Toledo and Geoffrey Dahl

Identificación del Estrés Térmico en Vacas Lecheras

Izabella Toledo y Geoffrey Dahl

Effects of Season of Birth on Dairy Cow Longevity in Florida

Izabella M. Toledo, José Eduardo Portela Santos, and Geoffrey E. Dahl

In Florida, the birth of dairy cows during the coolest months of the year is associated with increases in the number of cows that stay in the herd for more than 5 lactations. Birth season also affects the number of cows sold and dead. Producers may benefit from this data by making birth season management adjustments to possibly increase cow longevity in dairy herds. Written by Izabella M. Toledo, José Eduardo Portela Santos, and Geoffrey E. Dahl, and published by the UF/IFAS Department of Animal Sciences, February 2026.

Financial Impacts of Late-Gestation Heat Stress on Cow and Offspring Lifetime Performance

L. T. Casarotto, J. Laporta, and G. E. Dahl

This publication describes the financial implications of ignoring heat stress in dry cows to assist dairy producers in decisions about installation of heat abatement measures and cooling cows in that stage of the production cycle. Written by L. T. Casarotto, J. Laporta, and G. E. Dahl, and published by the UF/IFAS Department of Animal Sciences, November 2021.