A venting arrangement for a feeding teat closure 10 that can be fitted to or form part of a feeder. The closure 10 includes an opening 12 with which a mounting part of a feeding teat can engage in a substantially sealed manner. The venting arrangement includes at least one aperture 21 in the opening 12 and at least one recess 22 that creates a break in the seal between the teat mounting part and a sealing surface 19 of the opening 12 whereby air can vent through the combination of the break formed by the recess 22 and the aperture(s) 12.
