由于草地面积减少12%（2011-2023年），新西兰的牲畜数量也随之减少。 New Zealand's livestock numbers decreased due to a 12% drop in grassland area (2011-2023).

由于草地总面积长期减少，新西兰的牲畜数量减少。 New Zealand's livestock numbers have decreased due to a long-term drop in total grassland area. 2023 年 6 月，全国羊群数量下降 3% 至 2440 万头，肉牛数量下降 4% 至 370 万头，奶牛数量下降 1% 至 590 万头。 The national sheep flock fell 3% to 24.4 million in June 2023, while beef cattle numbers dropped 4% to 3.7 million and dairy cattle fell 1% to 5.9 million. 牲畜数量的下降与草原退化有关，2011年至2023年草原总面积将减少12％。 The declining livestock numbers are linked to the receding grassland, with a 12% decrease in total grassland area from 2011-2023.