New Zealand Dairy Statistics 2014-15

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ii) Population • Seventh consecutive season of small increase in the number of herds • Cow numbers surpass 5 million cows Between 1980/81 and 2007/08 total herd numbers declined at an average rate of about 170 herds per season (Graph 2.1). However, the total number of herds in the 2014/15 season increased by 43 to 11,970. This was the seventh consecutive season of small increases in herd numbers. The average herd size was 419 in 2014/15, up 6 cows on the previous season. The average herd size has tripled in the last 30 seasons, and has increased by over 100 cows in the last 10 seasons. Expansion of the dairy herd in the South Island has assisted the increase in average herd sizes. Graph 2.1: Trend in the number of herds and average herd size for the last 30 seasons Number of herds 20,000 19,000 18,000 17,000 16,000 15,000 14,000 13,000 12,000 11,000 10,000 9,000 8,000 7,000 6,000 5,000 1984/85 1985/86 1986/87 1987/88 1988/89 1989/90 1990/91 1991/92 1992/93 1993/94 1994/95 1995/96 1996/97 1997/98 1998/99 1999/00 2000/01 2001/02 2002/03 2003/04 2004/05 2005/06 2006/07 2007/08 2008/09 2009/10 2010/11 2011/12 2012/13 2013/14 2014/15 Season Number of herds Average herd size 480 460 440 420 400 380 360 340 320 300 280 260 240 220 200 180 160 140 120 Herd size 6 New Zealand Dairy Statistics 2014-15
The total cow population in the 2014/15 season was 5.02 million (Table 2.2), an increase of 1.9% over the previous season. This is the first time cows milked have surpassed 5 million. In 2007/08 (7 seasons ago) cows milked surpassed 4 million for the first time. Average effective hectares increased slightly to 146 hectares. A stocking rate of 2.87 cows per hectare was similar to previous seasons. Total effective hectares (support block excluded) were 1.75 million – an increase of about 30,000 ha on the previous season. Table 2.2: Summary of herd statistics since 1975/76 Season Herds Total cows Total effective hectares a Average herd size Average effective hectares b Average cows per hectare b 1975/76 18,442 2,091,950 - 113 - - 1980/81 16,089 2,027,096 - 126 - - 1985/86 15,753 2,321,012 1,008,192 147 64 2.30 1990/91 14,685 2,402,145 1,023,545 164 70 2.35 1991/92 14,452 2,438,641 - 169 - - 1992/93 14,458 2,603,049 1,069,892 180 74 2.43 1993/94 14,597 2,736,452 1,122,509 188 77 2.44 1994/95 14,649 2,830,977 1,175,940 193 80 2.41 1995/96 14,736 2,935,759 1,208,352 199 82 2.43 1996/97 14,741 3,064,523 1,267,726 208 86 2.42 1997/98 14,673 3,222,591 1,276,551 220 87 2.52 1998/99 14,362 3,289,319 1,306,942 229 91 2.52 1999/00 13,861 3,269,362 1,292,566 236 93 2.53 2000/01 13,892 3,485,883 1,329,173 251 96 2.62 2001/02 13,649 3,692,703 1,404,930 271 103 2.63 2002/03 13,140 3,740,637 1,463,281 285 111 2.56 2003/04 12,751 3,851,302 1,421,147 302 111 2.71 2004/05 12,271 3,867,659 1,411,594 315 115 2.74 2005/06 11,883 3,832,145 1,398,966 322 118 2.74 2006/07 11,630 3,916,812 1,412,925 337 121 2.77 2007/08 11,436 4,012,867 1,436,549 351 126 2.79 2008/09 11,618 4,252,881 1,519,117 366 131 2.80 2009/10 11,691 4,396,675 1,563,495 376 134 2.81 2010/11 11,735 4,528,736 1,638,706 386 140 2.76 2011/12 11,798 4,634,226 1,638,546 393 139 2.83 2012/13 11,891 4,784,250 1,677,395 402 141 2.85 2013/14 11,927 4,922,806 1,716,464 413 144 2.87 2014/15 11,970 5,018,333 1,746,156 419 146 2.87 - Not available a Total effective hectares between 1981/82 and 1999/00 are estimates. b Average effective hectares and average cows per hectare for 1981/82 to 1990/91 are based on factory supply herds only. Note: The number of cows used to calculate the average herd size since 1992/93 includes all cows lactating in that season, whereas in earlier years the number of cows used to produce the average herd size was based only on those cows lactating on 31 December. This change in method has had a small effect on reported cow numbers New Zealand Dairy Statistics 2014-15 7
Page 1 and 2: New Zealand Dairy Statistics 2014-1
Page 3 and 4: Contents 1. Introduction 4 2. Natio
Page 5 and 6: List of graphs 2.1 Trend in the num
Page 7: 2. National dairy statistics A. Ind
Page 11 and 12: i) Production per cow and per hecta
Page 13 and 14: ii) Herd size distribution • 12%
Page 15 and 16: 3. Regional dairy statistics A. Reg
Page 17 and 18: • Highest average production reco
Page 19 and 20: (table 3.3 continued) Region Distri
Page 21 and 22: (table 3.4 continued) Region Distri
Page 23 and 24: Herd production in each of the main
Page 25 and 26: Table 3.10 shows the number and per
Page 27 and 28: 4. Herd improvement A. Use of herd
Page 29 and 30: B. Herd test averages The lactation
Page 31 and 32: ii) Monthly averages • Highest av
Page 33 and 34: iii) Breed category averages • Ho
Page 35 and 36: C. Artificial Breeding (AB) statist
Page 37 and 38: In 2014/15 the average number of in
Page 39 and 40: The percentage of inseminations for
Page 41 and 42: Mean actual 6-week in-calf rate ran
Page 43 and 44: E. Calving i) Planned start of calv
Page 45 and 46: F. Animal Evaluation The genetic me
Page 47 and 48: ii) Cow Evaluations The Breeding Wo
Page 49 and 50: The genetic trend for cows is based
Page 51 and 52: 5. Prices received A. Milk prices U
Page 53 and 54: 6. Disease Control A. Tuberculosis

New Zealand Dairy Statistics 2014-15

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