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Impact of cattle selection on feed use studied

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Published: November 24, 2016

EDMONTON — Lakeland College emphasizes learning by doing through student-managed farms.

In keeping with that mission, this year the college at Vermilion, Alta., started a student-managed livestock applied research team.

The project involves a herd of 50 Angus replacement heifers, which will be part of feed efficiency projects and will be involved in future studies to provide information to cow-calf and feedlot operators.

“I am hoping we can tie that feed efficiency in with the grazing site,” said Geoff Brown, program head of animal science technology.

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Working with Dr. Susan Markus from Alberta Agriculture, the students will help evaluate the impact of selecting cattle for feed efficiency.

The cattle will be placed into an extensive grazing program and over time the genotyped heifers will be ranked for low, medium and high feed efficiency. This is a commercial herd and they have been bred to genotyped bulls.

Researchers want to see how accurate genotyping is when compared to physical data, such as weaning weights, calving and reproduction.

“In the crossbred cattle, (genotyping) is not translating over as well as it does with purebreds. There is still some work to be done in terms of getting accurate numbers,” Brown said.

The animals have grazed corn and grass with a plan to keep them on pasture year round. The difficulty will be figuring out how much grass the animals are eating and how much they are gaining, said Brown.

The cattle were on display at Farmfair International, which was held Nov. 9-13 in Edmonton.

The college has student-managed divisions that include purebred, commercial, dairy, sheep and research.

About the author

Barbara Duckworth

Barbara Duckworth

Barbara Duckworth has covered many livestock shows and conferences across the continent since 1988. Duckworth had graduated from Lethbridge College’s journalism program in 1974, later earning a degree in communications from the University of Calgary. Duckworth won many awards from the Canadian Farm Writers Association, American Agricultural Editors Association, the North American Agricultural Journalists and the International Agriculture Journalists Association.

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