Only horse manure here, almost no cows in the county and no commercial chickens. My tomato cages are only 5 feet tall so when the vines hit 7 feet they fall over and make a jungle on top of the cages. That was last month.
Nothing wrong with horse manure, if it's free, easy to use more. I started with subsoil, no topsoil on this mountaintop. Took a few years of composted horse manure, and now I've got plants healthier than anybody I know, including the guys who use chemical growing. Tilth is excellent after I went no-till several years ago.