What other investment items are there for a 100-head-scale fattening cattle farm

The cattle farm needs to use silage and ammoniated straw to feed cattle year-round, requiring two silage pits with a volume of 1000 cubic meters. Working capital should include the cost of purchasing cattle, calculated according to the number of head raised; feed costs, with concentrate calculated according to the feeding cycle and 3 kg per head per day; roughage calculated at 8 to 10 kg of air-dried hay per head per day, or according to the annual amount of silage used; staff wages, with 100 cattle requiring 2 to 3 people, calculated on the basis that one feeding worker can feed 50 cattle; water and electricity expenses; transportation costs; office expenses, etc.