Add more ports by: Upgrading your Mac's graphics card. Apple has phased out this proprietary display plug, but you might see it on an older monitor or Mac. Look for the rounded shape of the rectangular connector to help in identification. The cable carries power, USB, and video. You can adapt a DVI signal for an ADC monitor, but the converter boxes can be pricey; an ADC signal from a Mac is more easily converted to DVI for a standard display.
Most nutrition articles about feeding horses recommend approximately two (2) percent of their body weight in forage per day. This would mean a 1,000-pound horse would need about 20 pounds a day. This amount is not carved in stone.
The average 1000 pound horse must eat approximately 10 to 20 pounds of hay every day according to LSU. The weight of a bale of hay will vary depending on the quality of hay and the settings on the baling machine that is being used to bale the hay. The average square hay bale weighs approximately 50 pounds. To provide your horse with the necessary amount of hay you will need to give him a quarter to a half of a bale every day.