A poultry feeder for feeding birds in their early stages of growth, having a rectangular-rounded shape, comprising: a clamp for embracing a food supply tube； a holding throat for holding the clamp； a shutter for limiting the food supply； a hopper coupled to the holding throat for distributing the food； a food receiving plate integrally coupled to said hopper； wherein the holding throat is bifurcated and surrounds the clamp； wherein the hopper extends from the holding throat； wherein the clamp, which has a cylindrical shape, comprises three sections: a left lateral section； a central section and a right lateral section, and is formed by an upper half and a lower half, wherein said upper and lower halves are symmetrical and semi-cylindrical； wherein the upper half of the clamp comprises: an upper left lateral section, an upper central section and an upper right lateral section； and the lower half of the clamp comprises a lower left lateral section； lower central section, and a lower right lateral section； wherein the central section having a width and a diameter which are greater than a width and a diameter of the lateral sections； and wherein the central section is delimited by two central flanges, and the left and right lateral sections comprising an end flange respectively, wherein the central flanges having a diameter which is larger than the diameter of the end flanges, wherein the central flanges comprising a protrusion or security stop which has the function of limiting the rotation of the feeder, and wherein the end flange only extends in the upper right lateral section.
