Variable

Mean

Std. deviation

Min

Max

Cost of seed

180,805

193,621

10,000

560,000

Cost of fertilizer

151,750

236,246

2000

700,000

Cost of other materials

583,650

416,962

50,000

1,460,000

Transport costs

421,342

620,158

20,000

1,800,000

Cost of labour

1,390,281

1,499,088

180,000

5,600,000

Average total costs

2,727,827

Quantity of silage harvested (tons)

20.8

32.1

3.0

84.0

Cost per ton

130,938

Silage fed/cow/day (kg)

6.8

5.5

0.2

16

Dry season milk production/cow/day (no hay/silage)

4.6

Additional milk production/cow/day (litres)

5.6

Additional milk production/ton of silage

823.5

Average incremental milk income (changes at max price)

856,440

(1,070,550)

Milk price/litre

1040

(1300)

Benefit-cost ratio

5.5

(7.1)

Profitability

725,502

(939,612)