The shelter for cow ought to be clean and well ventilated.

Hutch
Byre
Hangar
Kennel E. Barracks

The correct answer is B. Byre.

A byre is a building or enclosure for cattle, especially one that is attached to a farmhouse. It is typically made of stone or brick, and has a roof that is either thatched or made of slate or tiles. Byres are usually well-ventilated, and have a concrete floor that is covered with straw or sawdust.

The other options are incorrect because:

  • A hutch is a small enclosure for small animals, such as rabbits or guinea pigs.
  • A hangar is a large building for storing or repairing aircraft.
  • A kennel is a building or enclosure for dogs.
  • Barracks are buildings used to house soldiers.

I hope this helps! Let me know if you have any other questions.