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Do Cows Need More Z’s to Be Healthy and Productive?
Lying time and the welfare of dairy cows - ScienceDirect
Do Cows Sleep? An Exploration of Cow Sleeping Habits
Do Cows Sleep? Exploring the Sleeping Habits of Cattle
- [PDF]
Sleep in Dairy Cows
Invited review: Lying time and the welfare of dairy cows
Do Cows Sleep Standing Up? - U.S. Dairy
Do Cows Sleep Standing Up? - The Bullvine
How Cows Sleep? - Animal Abundance