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How to Use Snow as a Water Source for Wintering Beef Cattle

By   /  October 23, 2017  /  1 Comment

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We got questions about how well cattle do on snow as a winter water source so we headed out to find some answers for you.

Click to download this factsheet.

This fact sheet from agricultural agencies in Canada provides some comparisons between cows with access to water and cows using snow as their water source. Researchers in Alberta expected that eating snow would increase energy use, so that cows would not maintain body condition, and their temperatures would be lower. But that’s not what they found at all. The differences in weight between water cows and snow cows was not significant, nor were body temperatures different. Researchers concluded that cows could eat enough snow to meet their water needs and they didn’t need any additional energy from their food to melt the snow and bring it to body temperature.

But what about calves? Researchers checked that out too. They compared weights for 9 to 10 month old calves where one group drank water and the other relied on snow. At the end of the trial, the snow calves were 4 pounds lighter than the water calves, and their feed to gain ratio was slightly higher, but the difference wasn’t considered significant.

But that doesn’t mean you can just send your stock out there and expect them to do well right off the bat. As this fact sheet notes, eating snow is a learned behavior:

• It can take four to five days for all cows to become snow eaters. In the meantime, be prepared for restlessness and bellowing. Novice snow eaters will adapt faster if they are with animals who have become accustomed to snow.

• If bellowing and restlessness persist after four to five days, investigate. The cows are trying to tell you something is not right.

• Some changes in feeding and drinking patterns have been noted when cattle are not given access to water. The authors of the University of Alberta study outlined here observed that calves ate their daily feed at a slower rate than calves with access to water. They tended to eat more frequently throughout the day and alternated feeding and snow intake. Animals provided with water tended to drink only once or twice a day. Alternating feed and snow consumption may help minimize thermal stress.

You also need to have clean snow, and an alternate water source in place in case conditions change and the snow on the ground is no longer adequate for your herd. It takes about 10 cm (4 inches) of snow to get 1 cm of water (1/2″) and ice-crusted, wind-blown or trampled snow sources are not adequate for your livestock.  Please download the fact sheet for more information on how to manage your cattle for snow feed. And here’s another On Pasture article on the topic as well.

 

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About the author

editor and contributor

Kathy worked with the Bureau of Land Management for 12 years before founding Livestock for Landscapes in 2004. Her twelve years at the agency allowed her to pursue her goal of helping communities find ways to live profitably AND sustainably in their environment. She has been researching and working with livestock as a land management tool for over a decade. When she’s not helping farmers, ranchers and land managers on-site, she writes articles, and books, and edits videos to help others turn their livestock into landscape managers.

1 Comment

  1. Hey there,
    I also wrote about snow and hydration here:
    http://besthorsepractices.com/snow-is-not-water-when-it-comes-to-equine-hydration/

    with interviews with vets.

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