According to the present invention, disclosed is a livestock feed supply apparatus which automatically supplies livestock feed to both cattle pens placed bilaterally. The livestock feed supply apparatus comprises: a feed accommodating body (10) a first support (10) arranged on one side (14) of the feed accommodating body (10) to be placed on a first discharge hole (16) a second support (30) arranged on the other side (15) of the feed accommodating body to be placed on a second discharge hole (17) a bearing body (40) which is connected to the first support (20), and into which a rotary support shaft (41) is inserted a driving body (50) consisting of a motor housing (51) connected to the second support (30), a forward/reverse rotary motor (53) which is arranged in the motor housing (51) and has a motor shaft (52), and a rotary flange (54) coupled to the motor shaft (52) of the forward/reverse rotary motor (53) and a transfer screw body (60) which is arranged on the inner lower part of the feed accommodating part (10) to be longitudinally placed from the first discharge hole (16) to the second discharge hole (17), has a first connecting plate (61) and a second connecting plate (62) respectively formed on both inner side ends, wherein the first connecting plate (61) is connected to the rotary support shaft (41) of the bearing body (40) by welding and the second connecting plate (62) is bolted to the rotary flange (54) of the driving body (50), has a transfer wing (63) protruding from the outer surface, and rotates in a forward or reverse direction according to the rotation of the forward/reverse rotary motor (53), thereby allowing the feed to be discharged through the first discharge hole (16) or the second discharge hole (17).COPYRIGHT KIPO 2016본 발명은 가축사료 공급장치가 개시되는 것으로, 사료수용체(10)와 상기 제1배출구멍(16)에 위치되도록 상기 사료수용체(10)의 일측면(14)에 구비되는 제1지지체(20)와 상기 제2배출구멍(17)에 위치되도록 상기 사료수용체의 타측면(15)에 구비되는 제2지지체(30)와 상기 제1지지체(20)와 연결되고 회전지지축(41)이 축설되는 베어링체(40)와 상기 제2지지체(30)와 연결되는 모터하우징(51)과
