Cow population growth rate outstrips human rate
Property Sales Statistics and Statistics New Zealand.
In 2010/11 the total number of New Zealand dairy cows increased by 132,000 to just over 4.5 million cows (4,528,736), an increase of 3 per cent over the previous 2009/10 season; whereas the resident human population (at March 31, 2011) increased by an estimated 0.9 per cent to 4,403,000.
Along with the growth in cow numbers it was also a record year for the average production per cow in the country – up 5 per cent – to an average of 334kg milksolids (comprising 190kg milkfat and 144kg protein) a cow.
In 2010/11 dairy companies processed 17.3 billion litres of milk with the total milksolids processed increasing from 1.44 billion kg in 2009/10 to 1.51 billion kg.
The increase in milk processed is being attributed to a combination of more cows milked plus an increase in production per cow, following an exceptional 2011 autumn for dairying.
For the third consecutive year the total number of herds increased (by 44 to 11,735) and the average herd size (386) increased by 10 cows – a trend consistent over the past 30 seasons during which the average herd size has more than tripled and has increased by more than 100 cows in the last eight seasons. previous season.
The average herd size has tripled in the last 30 years and has increased by more than 100 cows in the last eight years.
Nationally the number of cows in New Zealand has increased 5.2 per cent over the previous season to 4.5 million.
Nine per cent of herds have 750 or more cows.
Herds with between 700 and 749 cows have the highest production per cow.
A little under 50 per cent (5677) of herds have between 150 and 349 cows.
Just over half of all herds, 6200 (53 per cent) had 300 or more cows, 2828 (24 per cent) had 500 or more cows and 454 (4 per cent) had 1000 cows or more. A little under 15 per cent have between 200 and 249 cows, 55 per cent have between 100 and 349 cows.
There are now 11,735 dairy herds in New Zealand.
A record 3.19 million cows herd tested in 2010/11.
Holstein Friesian and crossbred cows show highest milksolids (kg) production (herd test statistics).
In the 2010/11 season 3.3 million cows were mated to artificial breeding.