25390 version 1
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Describe the effects of culling, wastage, and reproductive factors, on
reproductive performance of the pig breeding herd
Level
5
Credits
6
Purpose
This unit standard is for people who wish to specialise in pork production.
People credited with this unit standard are able to describe: the effect of
reproductive factors on the reproductive performance of the pig breeding
herd; and the effects of culling and wastage of pig breeding stock on pig
breeding, pig herd productivity, and pig breeding stock replacement rates
and profitability.
Subfield
Pork Production
Domain
Pig Husbandry
Status
Registered
Status date
19 March 2010
Date version published
19 March 2010
Planned review date
31 December 2014
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA, industry
and teaching professional in the same field from another
provider.
Standard setting body (SSB)
Primary Industry Training Organisation
Accreditation and Moderation Action Plan (AMAP) reference
0052
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Legislation relevant to this unit standard includes but is not limited to the Animal
Welfare Act 1999.
 New Zealand Qualifications Authority 2016
25390 version 1
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2
References
Watson N. R., The Basic Principles of Pig Production (Wellington: NZ Pork Industry
Board, 1988).
New Zealand Ministry of Agriculture and Forestry, Animal Welfare (Pigs) Code of
Welfare 2005, Wellington, available at http://www.biosecurity.govt.nz/animalwelfare/codes/pigs/index.htm.
Elements and performance criteria
Element 1
Describe the effect of reproductive factors on the reproductive performance of the pig
breeding herd.
Performance criteria
1.1
Reproductive factors relating to pre-mating are described in terms of their effect
on the reproductive performance of the pig breeding herd.
Range
1.2
Reproductive factors relating to gestation and birth are described in terms of
their effect on the reproductive performance of the pig breeding herd.
Range
1.3
attainment of puberty, embryonic and foetal mortality, ovulation
rate, fertilisation, conception, semen quality and quantity, semen
handling.
gestation – embryonic and foetal mortality;
birth – farrowing rate, litter size at birth, birthweight, colostrum at
birth, milk quality and quantity at lactation;
weaning to oestrus interval, post partum problems.
Reproductive factors relating to weaning and mating are described in terms of
their effect on the reproductive performance of the pig breeding herd.
Range
weaning – pre-weaning mortality, weaning to oestrus interval,
return to service, non-productive days, sow attrition and
replacement rate;
mating – boar usage.
Element 2
Describe the effects of culling and wastage of pig breeding stock on pig breeding, pig herd
productivity, and pig breeding stock replacement rates and profitability.
Performance criteria
2.1
The effects of culling and wastage of pig breeding stock are described in terms
of their influence on pig breeding.
2.2
The effects of culling and wastage of pig breeding stock are described in terms
of their influence on pig herd productivity.
 New Zealand Qualifications Authority 2016
25390 version 1
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2.3
The effects of culling and wastage of pig breeding stock are described in terms
of their influence on pig breeding stock replacement rates and profitability.
Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated
authority for quality assurance, before they can report credits from assessment against
unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA before they can register
credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016