Did you lose your old login?
Here's some ideas to get you started:
https://www.backyardchickens.com/search/717668/?q=Horse%2Btrailer%2Bcoop&c[title_only]=1&o=relevance
Welcome Back to BYC! @FarmerIvan
Where in this world are you located?
Climate, and time of year, is almost always a factor...