Tuesday, December 5, 2023
Home Farming Tips Zero Grazing: How To Increase Milk Production

Zero Grazing: How To Increase Milk Production

by Jacquiline Nakandi
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By Umar Nsubuga

Zero grazing is when animals are fed from a small unit without allowing them to go out and graze. In Uganda, it is mainly used on cows.

Peter Mubiru, a veterinary doctor says the main advantage of zero grazing is that you can effectively have several cows in a small area.

To feed them, he says you can utilise foliage from areas near the enclosure.

Many farmers mainly do zero grazing to produce milk, an exotic dairy breed cow, such as a Friesian, is suitable.

Deborah Nakintu who has a Friesian cow says a cow producing less than 10 litres of milk per day, under zero grazing is not economical.

“On average, a well-fed dairy cow should yield at least 20 litres every day, although some go up to 30 litres,” she says.

However, for most farmers, getting 10 litres of milk a day from a cow is a miracle. 

Harriet Namayanja, a resident of Matugga in Wakiso district says she is frustrated because her cow produces only five litres.

Mubiru says there are several reasons why cows of the same breed produce differing amounts of milk.

“Farmers should bear in mind that if feeds are deficient in terms of protein, energy, minerals and vitamins, the animals’ tissue reserves will be used for milk production,” Mubiru advises.

In feeding cattle, it is, therefore, important that farmers mix feeds that contain both rumen degradable proteins and rumen ungradable proteins.

This includes sweet potato vines, mulberry leaves, fish meal, cotton seed cake, cassava leaves, and caliandra. All these are easily obtainable in Uganda. Overall, balanced feeds should have protein, fibre, minerals, calcium, phosphorous, magnesium, potassium and water.

-Make sure that the cow is given as much fodder as it wants to eat. It should be a mixture of grass and legumes in a ratio of three parts of grass to one part of legume.

-In the case of elephant grass, it should be harvested when it is 60 to 90cm or two to three feet and chopped into small pieces of 2 to 5cm.

-Cattle usually consume about 3% of their body weight.

-Complete ratio should be designed so that animals will consume the required concentration of a nutrient since the required concentration depends on dry matter intake. For example, if a 167kg steer is to meet its nutrient requirement of 500grams of protein per day, then the steer has to consume 5kgs of feed that is balanced to be 10%.

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