If the mountain grass source for free-range cattle is relatively average, 2-3 cattle can be raised per mu of land. If the mountain grass source is abundant, 5-6 cattle can be raised per mu. Currently, many mountainous areas in southern China, such as Guangdong, Fujian, Hunan, Hubei, Jiangxi, Yunnan, Sichuan, Shaanxi, and Shanxi, remain underutilized. These mountainous areas are covered with abundant wild grass, making them excellent resources for cattle farming. The cost of building a cattle shed mainly includes the following tasks: 1. Foundation work: If the foundation is solid, it can be directly compacted, followed by simple pillar foundations. 2. Workshop hoisting: Considering it is only a cattle farm and not a processing workshop requiring tens of meters of height, it only needs to accommodate normal transport vehicles. Can cattle be raised in vegetable greenhouses? Yes, it is encouraged. Raising cattle, sheep, and pigs in greenhouses during winter allows these livestock and poultry to grow very quickly because the temperature inside the greenhouse is particularly high, which is suitable for their growth. A pig raised freely outdoors in winter can grow to 100 jin, while a pig raised in a greenhouse during winter can reach 150 jin. Can cattle be raised in vegetable greenhouses? Yes, it is encouraged. Raising cattle, sheep, and pigs in greenhouses during winter allows these livestock and poultry to grow very quickly because the temperature inside the greenhouse is particularly high, which is suitable for their growth. A pig raised freely outdoors in winter can grow to 100 jin, while a pig raised in a greenhouse during winter can reach 150 jin.