Performance and management characteristics of Wairarapa and Tararua wool production systems : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Farm Management at Massey University
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Date
1994
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Massey University
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Abstract
In 1992/93 the New Zealand wool industry was based on approximately 52.5
million sheep that produced 255500 tonnes of greasy wool. The New Zealand
Wool Board Grower Services Group, among others, provided the 24000 sheep
farmers involved in wool production with management advice and technical
assistance in growing and harvesting wool which was subsequently sold,
exported, processed and promoted by a network of wool industry participants.
The purpose of this study was to :
• compile a detailed database of Wairarapa/Tararua wool production systems.
• compare the database compiled with existing databases to test their
suitability for describing Wairarapa/Tararua wool production systems.
• identify management variable that may be important in achieving high levels
of wool production and returns.
• identify methods to improve New Zealand Wool Board extension in the
Wairarapa/Tararua region.
This was achieved by a combined mail and personal interview survey of a
stratified random sample of 75 Wairarapa/Tararua wool producers. Descriptive
statistical methods were used to describe the physical and financial
characteristics of wool production systems and the management systems
employed. Multiple regression analysis was used to estimate the relative
importance of different management strategies and farm physical characteristics
on wool production and clean wool price. Few significant differences in mean wool production system performance within
farm class, summer rainfall, sheep flock size and summer rainfall/farm class
groupings were noted in the study. Thus, the Wairarapa/Tararua region was
relatively homogeneous in terms of wool production system performance over
the past three seasons. A large range in values for most wool performance
parameters suggested that wool production system performance on individual
farms was influenced more by management variables than by farm physical
attributes.
A comparison of the New Zealand Meat and Wool Boards' Economic Service
(NZMWBES) Sheep and Beef Farm Survey and Wairarapa Farm Improvement
Club (WFIC) databases with data collected in this study indicated that
NZMWBES and WFIC data were satisfactory for describing some, but not all of
the characteristics of wool production systems in the region. Therefore, in order
to maintain a representative overview of Wairarapa/Tararua wool production
systems it is recommended that this study should be regularly updated.
Aspects of wool production systems that could be improved on many
Wairarapa/Tararua sheep farms mainly related to : the quantification of sheep
breeding objectives; use of objective criteria for replacement ewe hogget and
ram selection; improved summer feeding of mixed age ewes {if wool prices
improve); and improved marketing {objective measurement and offer of wool to
a wider range of buyers) of privately sold wool. These aspects can be
addressed by New Zealand Wool Board mass extension activities, primarily
through newspapers and free publications. While improvements in management
for wool production are likely to increase monetary returns to the regions' wool
producers, they should be promoted in the context of assisting individual wool
producers to achieve their personal goals/objectives.
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Keywords
Sheep, System analysis, Wool