Cow Milk Liters per Day

Milk yield per cow per day

How much milk a cow gives each day comes down to breed and how it's managed. In Brazil the Girolando (a Gir × Holstein cross, and the dairy breed you'll see most often) gives somewhere around ~15–25 L/cow/day. A pure Holstein in confinement can hit 30–40+ L/day. The buffalo, by contrast, manages just 6–10 L/day, though its milk carries far more fat (7–9% against the 3.5–4% of cattle), which is why mozzarella makers prize it. Output peaks 60–90 days post-partum and then tapers off across the 305-day lactation. Take a herd of 50 Girolando cows averaging 20 L/day: that's 1,000 L/day, or 30,000 L over a month.

Applications

This kind of estimate feeds into dairy farming planning, particularly in Brazil's milk basin across the Triângulo Mineiro, southern Goiás and western Santa Catarina. EMBRAPA Gado de Leite publishes performance benchmarks broken down by breed and feeding system, whether pasture, semi-confinement or free-stall. With the daily figure in hand you can size up milking parlor capacity, cooling tanks and how much forage you'll need to budget for.

FAQ

Why does yield drop over the lactation? Once the peak passes at 60–90 days, secretion falls off by something like 8–10% each month as the cow heads toward drying-off, which happens 60 days before she calves again.

How does feed affect yield? Every kg of dry matter the cow eats beyond her maintenance needs is worth roughly 2 L of extra milk. Good forage and concentrate, meaning corn and soybean meal, make the difference here.

Is buffalo milk worth it? For cheese-makers, yes. The volume is smaller, but you get 80% more fat and protein, and it sells for 2–3× the price of cow's milk.