lambing, farrowing, foaling, dystocia, ewes, estrus, denning, heifers, parturition, forage, fawns, poult, beef cattle, pupping, silage, molting, lactation, mating, estrous cycle, oestrus, mastitis, weaner, egg laying, pasture, grazing, tasseling, nesting, coccidiosis, cattle, rumen, breeding, colostrum, winterkill, hogget, tetany, herd, estrous, herbage, feedlot, cows, moult, dairy cattle, fertilization, carcase, haylage, wintering, tups, vealer, ovulation, rutting, smolt, tillering, birthing, desiccation, metritis, whelping, suckler, sows, mares, cygnets, mule deer, piglets, overwintering, precocial, haymaking, seladang, photoperiod, dehorning, shearing, livestock, prairie grouse, cyclogenesis, pronghorn, shelterbelts, haying, ensiling, gestation, yearlings, tillage, calfs, hoggs, whitetails, stockmen, bighorn, eider, pronghorn antelope, dairying, fruiting, yarding, elk, rocky mountain bighorn, shorthorn, walruses, swards, sheep, overfeeding, harvest, drouth, ringed plover, beechnuts, frosts, earliness, spawning, plowing, births, graduation, molt, ploughing, childbirth, transplanting, felling, semester, confinements, docking, enlistment, floods, glacial, olympics, milking, friesian, milch, vaccinated, angus, anovulatory, bred, crossbred, fasting, fattening, lactating, leanest, migrating, moose, nonpregnant, pelasgic, purebred, reindeer

birth, giving birth