Cow pop­u­la­tion growth rate out­strips hu­man rate

Matamata Chronicle - - Rural Delivery -

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.

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