Calf feeding trough for cattle farm

The calf feeding trough comprises a feeding trough body, a sewage discharge water pipe is arranged at the bottom end in the feeding trough body, a blocking block is arranged at one end of the sewage discharge water pipe in an inserted mode, an installation block is fixed to the top end of the blocking block, a through hole is formed in the end of the installation block, and two blocking columns are symmetrically arranged in the through hole. A baffle ring is arranged at the top of one end of the baffle column; according to the utility model, the blocking columns and the baffle ring are designed, one end of each blocking column is arranged at the bottom of the baffle ring, so that the blocking block is limited up and down, the blocking block is ensured not to be separated from the inside of the pollution discharge water pipe under the dragging of the calf, and the use reliability of the device is improved; one end of the baffle ring is ensured to be arranged at the bottom of the baffle ring all the time withou