The venom of the black widow spider contains poisonous chemicals that make people sick. Black widows are found throughout the United States, mostly in the South and West. They are usually found in barns, sheds, stone walls, fences, woodpiles, porch furniture, and other outdoor structures.
Some types of grass hay, in dry weather conditions or on dry ground, will be much too dry when baled as small bales using the eight to 15 percent moisture (the traditional rule of thumb) as a guide. Some of this grass hay produces the best quality bales when baled at 24 to 30 percent moisture.
The horse owner has a great deal of control as to what is fed in the barn. A quality grass or grass/legume-mixed hay with a low acid detergent fiber (ADF, 30 percent to 35 percent) and a crude protein content of between 10 percent to 16 percent is suitable for the weanling.