🥛 Dairy Production

What this course covers

12 modules · 72 written lessons · about 53,121 words · 360 quiz questions · 12 capstone projects.

Every lesson has learning objectives, worked numbers, a "do this today" task and a knowledge check. Videos are free material made by other people; the written lessons are the course.

The Business of Smallholder Dairy

A dairy cow is one of the few things on a smallholding that pays you money every few days instead of once a season. This module covers what that cash flow is really worth, the one number that decides whether a cow pays or loses, what a large Kenyan study actually measured about which management practices raise milk yield, and how to build an honest income and cost picture for your own animals. Every price in the reference material for this course is unverified, so this module teaches a costing method and sends you out to price your own market this week.

1. Why Milk Pays Every Day
2. The 670-Day Problem
3. What Actually Raised Yield in Siaya
4. The Income Side, Built Honestly
5. The Cost Side and the Calf
6. The Records That Make It Real

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Choosing Your Cow

The most expensive decision in smallholder dairy is which animal you buy, and it is usually made on somebody else's advice about somebody else's farm. This module lays out the real, measured tradeoff between indigenous cattle that survive and exotic cattle that produce, using African trial data on Boran, East African zebu, Ankole, Friesian crosses and Jersey. It shows why the half-bred cross often beats the near-purebred, why heat tolerance has a measurable price in litres, and why lifetime output, not headline daily yield, is the number to buy on.

1. Survive Or Produce: The Real Tradeoff
2. The Indigenous Cow: Boran And East African Zebu
3. What Heat Actually Costs, In Litres
4. How Much Does Exotic Blood Really Add?
5. The Jersey Case: Litres Are Not The Only Currency
6. Choosing The Cow For Your Farm

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Reproduction And The Calving Interval

A cow only gives milk because she had a calf, and she only has another calf if she gets back in calf. The gap between one calving and the next is the single number that decides whether a smallholder dairy cow pays for herself, and across 1,317 cow-owning households in western Kenya that gap averaged 670 days against a biological target of 365 to 425. This module teaches the clock the whole business runs on, the daily habit of heat detection that most farms get wrong, what African field evidence really says about AI versus a bull, and how to plan a cow's whole year backward from one date written on a calendar.

1. The Clock The Whole Business Runs On
2. Heat Detection: The Daily Habit That Decides Everything
3. Serving Her, And Finding Out Whether It Worked
4. AI Or A Bull? What The African Evidence Shows
5. Why 670 Days Costs You Almost Half Your Cow
6. The Calendar That Runs Her Whole Year

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The Lactation Curve

Milk yield after calving is not a flat line, and a farmer who does not know the shape of the curve cannot tell a normal decline from a problem. This module covers where the peak sits, why first-calving heifers behave differently, why persistency matters more than a spectacular peak, how the dry period is planned backward from a service date, and how to read a curve out of your own notebook. It ends with the single planning table that lets one recorded date run a cow's whole year.

1. The Shape Of A Lactation
2. Persistency Beats A Spectacular Peak
3. The Dry Period: Two Months That Pay For Next Year
4. Reading Your Own Milk Records
5. Feeding The Curve, Not The Cow
6. One Table That Runs The Whole Year

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Feeding The Dairy Cow

A lactating cow is not a beef animal that happens to give milk. In the weeks after calving she produces more energy in milk than she can possibly eat, and how you manage that gap decides her yield, her fertility and sometimes her life. This module covers what is specific to the dairy animal's body: negative energy balance, the ketosis and fertility costs that follow it, body condition scoring by hand, forage quality, water, and the calcium crisis at calving. It does not build rations, and it says clearly where to go for that.

1. Why The Best Cow Looks Worst After Calving
2. What A Deep Energy Deficit Actually Costs
3. Body Condition Scoring With Your Hands
4. Forage Quality: The Biggest Lever You Own
5. Water: The Cheapest Thing You Can Get Wrong
6. Calcium And Milk Fever: The Emergency At Calving

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Rearing The Calf

A calf is born with almost no defences of its own, and what happens in the first hour of her life shapes whether she survives, how much she costs you in treatment, and whether she ever joins the milking herd. This module covers colostrum timing and quantity, the measured illness difference between well-fed and poorly-fed calves, milk feeding and growth rates, why weaning is decided by the rumen and not the calendar, and why the calf is the co-product that makes calving interval worth chasing.

1. Born With No Defences
2. How Much Colostrum, And How Good
3. What Good Colostrum Management Is Worth
4. Milk Feeding And Growth To Weaning
5. Weaning: The Rumen Decides, Not The Calendar
6. The Calf Is Next Year's Income

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Housing the Dairy Cow

A zero-grazing unit is the largest single structure most smallholder dairy farmers ever build, and once it is built the mistakes in it are expensive to undo. This module gives you the sourced FAO dimension tables for floor space, cubicles, tie-stalls, calf pens and calving pens, the roof height and heat-control figures, and the washing-water figures nobody plans for. It also shows you what bad housing quietly costs in milk, in udder health and in disease exposure.

1. Why the Cow Stays Home
2. Floor Space, Shade and Yards
3. Cubicles, Tie-Stalls and Alleys
4. Roof, Air and Heat
5. The Calf Pen and the Calving Pen
6. Water, Washing and What Bad Housing Costs

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Udder Health and Mastitis Control

Mastitis is the disease that takes money out of a dairy business without ever showing itself. Most of it is subclinical - the milk looks normal, the udder feels normal, and the yield from that quarter is quietly falling. This module teaches what mastitis is, how to tell a contagious problem from an environmental one, what somatic cell count means, how to run a California Mastitis Test with your own hands, and how to manage the dry period, which is the single highest-risk window in the cow's year.

1. The Disease You Cannot See
2. Contagious or Environmental
3. Somatic Cell Count
4. Doing the California Mastitis Test
5. Drying Off Without Losing the Udder
6. Antibiotics, Residues and the Question You Must Ask

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Milking: The Let-Down Reflex, Hygiene and Routine

Milking looks like the simplest job on a dairy farm and it is the one where the most money is quietly lost. Milk is not sitting in the udder waiting to be squeezed out - most of it is locked in the tissue until a hormone releases it, and that release lasts only a short time. This module teaches the physiology of let-down and the seconds that control it, the hygiene sequence and the reason for every step, how to handle milk from the moment it leaves the teat, and why an unchanging routine is worth more than any equipment you could buy.

1. Why Milk Has to Be Let Down
2. The Window You Have to Milk In
3. The Seven Steps and Why Each One Exists
4. The Strip Cup and the Milking Order
5. Water, Containers and the Milk After It Leaves the Teat
6. The Routine That Never Changes

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Milk Quality and Testing

Milk is bought and rejected on the basis of tests, and a farmer who does not understand those tests is at the mercy of whoever holds the equipment. This module teaches what milk is actually made of and why a zebu cow's milk can be worth more per litre than her yield suggests, then works through the four low-cost platform tests used at collection points everywhere - the lactometer, the alcohol test, the resazurin test and clot-on-boiling - including how to run each one and how to read it honestly. It ends with the most important lesson of all: what these tests do not detect.

1. What Milk Is Actually Made Of
2. The Lactometer and Added Water
3. The Alcohol Test
4. The Resazurin Test
5. Clot-on-Boiling and Running the Bench
6. What These Tests Cannot Tell You

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Keeping Milk Safe

Milk leaves the cow at body temperature, full of nutrients, in an ambient heat that can reach the forties. From that moment two clocks start running: one on spoilage, which costs you money, and one on disease, which can cost a person their health. This module teaches why milk spoils and how fast, the cooling target and what to do when you have no electricity, the Codex-approved lactoperoxidase method used at collection centres, and then the two diseases that pass to people in raw milk - brucellosis and bovine tuberculosis - and the heat treatment that actually stops them.

1. Why Milk Spoils So Fast
2. The Cooling Window
3. The Lactoperoxidase System as a Bridge
4. Cooling Without a Grid
5. Brucellosis and Bovine TB in Raw Milk
6. Pasteurisation: The Physics That Protects People

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Processing and the Dairy Business

Raw milk is a perishable, low-margin commodity that must be sold within hours. Processing turns it into something that keeps longer and sells for more, and this module teaches the real numbers behind yoghurt, traditional fermented milks, simple cheese and ghee - fermentation temperatures, times, pH endpoints and fat recovery yields - always starting from the heat treatment that makes them safe. It closes with the part most courses skip: how to cost your own dairy business honestly, what records make that possible, and which lever actually moves your income.

1. Why Process, and the Gate Every Product Passes Through
2. Making Yoghurt
3. Traditional Fermented Milks
4. Simple Cheese and Ghee
5. Costing the Business Honestly
6. Records and the Lever That Moves Everything

Open module 12 →