Cow / Buffalo Lactation Profit Calculator

The honest profit number for one cow or one buffalo, per lactation cycle. Includes feed, veterinary overhead and the dry-period loss most calculators skip.

Animal and yield

Usually months 2-3
Over full lactation
Your final rate to customers or dairy

Daily costs

Typical: Cow ₹250-320, Buffalo ₹300-380
Averaged over the cycle

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How lactation profit really works

Most dairy-farm calculators will cheerfully tell you that a cow giving 12 L per day at ₹55 is “earning” ₹660 a day. That is a fantasy number. It ignores feed cost, vet cost, dry-period overhead, and the fact that your cow does not milk 365 days a year. This calculator does the math honestly so you can decide whether your animals are actually profitable.

The four hidden costs

  • Dry period: 60-90 days a year when the animal gives zero milk but still eats ~65% of her normal feed. This alone is a ₹15,000-25,000 cost per animal per year.
  • Feed quality drift: Most farmers buy concentrate weekly at market prices that vary by 15-30% between monsoon and summer. Average honestly, not at the cheapest rate.
  • Veterinary & breeding: Routine vaccinations, deworming, mineral mixture, AI charges, pregnancy confirmation. Add it all up monthly — it averages ₹40-70 per day per animal.
  • Labour: Even if you milk yourself, your time has a cost. One labourer is typically one full wage per 5-6 animals.
Example — one HF cow: Peak 18 L, average 12 L, 305 lactation days, ₹55/L selling rate. Revenue = 12 × 305 × 55 = ₹2,01,300. Feed & vet at ₹320/day over 305 days = ₹97,600. Dry period (60 days, 65% cost) = ₹12,480. Net profit = ₹91,220 per cycle, or ₹250/day over the full year. Margin ≈ 45%.

What a “good” margin looks like

A well-run small Indian dairy farm with 5-10 animals targets 35-45% gross margin (before buildings and capex). Under 20% is fragile — one monsoon disease outbreak or one feed-price spike, and you are at a loss. Above 50% is usually a sign you are under-costing feed or vet expenses.

How to improve profit per animal

  1. Balance the ration. Over-feed concentrate is the #1 cost leak. Match concentrate to actual milk yield — 1 kg extra per 2.5 L of milk.
  2. Cull chronic low-yielders. A cow giving under 8 L is almost always running at a loss in India today. Replace her within the next 2 cycles.
  3. Sell direct. Middlemen take ₹5-12/L. Even small home-delivery routes to 10 customers move you from loss to profit.
  4. Use every drop of the dry period productively — don’t let animals lose body condition. Well-fed dry cows return to higher peak yields in the next cycle.

If you are serious about running the numbers, track daily yield per animal with DudhHisaab (free for up to 25 animals). You’ll spot the loss-makers within a month.

Lactation Calculator — FAQs

Common questions about cow and buffalo milk profitability.

What is a lactation cycle in dairy farming?

A lactation cycle is the period from when a cow or buffalo calves (gives birth) to when she stops producing milk and goes into the "dry period" before her next calving. A typical cycle is 305 days of milking followed by a 60-80 day dry period — roughly one calf and one lactation per year.

How much milk does a cow or buffalo give per lactation?

A crossbred HF/Jersey cow gives 3,000-4,500 litres per cycle (peak 18-25 L/day, average 10-15 L/day). A Murrah buffalo gives 1,800-2,500 litres per cycle (peak 12-18 L/day, average 6-10 L/day). Desi breeds (Gir, Sahiwal, Red Sindhi) give 1,500-2,500 litres per cycle but their milk fetches a premium for A2.

What is a realistic feed cost per day for a cow or buffalo?

For a lactating crossbred cow: ₹250-320 per day (4-6 kg dry fodder, 10-15 kg green fodder, 3-5 kg concentrate). For a Murrah buffalo: ₹300-380 per day (higher concentrate requirement). Feed is the single largest cost — 55-70% of total operating expense.

Why does the calculator include dry period days?

During the 60-90 day dry period, the animal still eats feed, still needs veterinary care, and still takes up shed space — but gives zero milk. Any honest profit calculation must include this cost, because the per-litre margin during milking has to cover the dry-period overhead. Ignoring it is how new dairy farmers overestimate profit.

How do I increase profit per lactation?

Four levers in order of impact: (1) improve feed quality and ration balance — the same cow can give 2-3 L more on the same cost if the concentrate is right, (2) eliminate waste by measuring daily yield per animal, (3) sell directly to customers instead of through middlemen (adds ₹5-10/L), (4) cull chronic low-yielders that are running at a loss. DudhHisaab tracks per-animal yield to help with all four.

Does this calculator account for calf value?

Not yet — the current version focuses on milk profit only. Remember that each lactation also produces a calf (worth ₹5,000-25,000 for a crossbred heifer calf). If you include calf value as extra income, annual profit increases by roughly 10-15%.

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