Page 79 - Earnscleugh 2021 Catalogue eBook
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Genetic Selection of bulls using only the API tool will on average over time HDT Index (heifer/dairy terminal)
develop a cow herd with the following: ANGUSPURE PARTNER STUD
• Improved weaning rate through increased fertility and easier calving New Zealand Angus Heifer/Dairy Terminal Index - Predicted Response
• A slowly increasing cow weight/size, and milk production AngusPure NZ has teamed up with 88 Angus studs who share in our vision - to focus on the end consumer.
• Progeny will be prime at heavy carcase weights where the improved This stud is proud to be named as one of them, and by using the finest genetics and implementing best
marbling and subsequent eating quality traits can be expressed. management practice they can help you produce more premium quality Angus beef.
Expected Change in Individual Traits Only our AngusPure Partner studs display these devices in their sale catalogues. They indicate bulls endorsed
These characteristics are ideal for an environment where the cow herd by AngusPure NZ.
can be managed with extra feed if seasonal feed deficits occur.
Checking individual EBVs relevant to your herd is advised. EXTRA ANGUSPURE ENDORSEMENT
CEd CEm GL BW 200W 400W 600W MCW Milk SS DC Cwt EMA Rib Rump RBY IMF
ANGUSPURE ENDORSED BULLS FOR MARBLING
Comparison of SRI and API Above the 0 line (X axis) selects for more positive numbers and below the line selects
for more negative numbers. For some traits (e.g. growth), a positive response is
SRI is a maternal trait emphasised index. API is also a maternal driven desirable and for others (e.g. days to calving), a negative response is desirable. AngusPure continues to endorse bulls for sale that are in the top 40% In addition to the ‘A’, and to assist bull buyers who wish to select for more
index with added carcase trait emphasis. of the breed for AngusPure index. This index gives commercial farmers marbling we are rewarding those animals that are in the top 25% of the
This index is primarily driven by getting live calves on the ground, confidence that by using this selection tool, bulls are most likely to leave breed for AngusPure index and who also have their marbling EBV (IMF)
API selected animals can produce more net profit per animal through and producing an early maturing prime animal with added carcase traits progeny with superior carcase quality and at the same time achieve in the top 50% as well. These bulls will be awarded an ‘A+’ endorsement.
extra performance when feed is abundant. Finished progeny can be for improved carcase yield and marbling with no direct selection for desirable outcomes for self replacing herds, as the AngusPure index still Marbling is one of the very highest eating quality attributes and is
taken to heavier weights with increased likelihood of achieving marbling maternal traits. rewards cattle with strong maternal attributes like calving ease, scrotal and necessary in order to meet some of the highest premium requirements
premiums. growth, along with carcase weight. To qualify for the ‘A’ endorsement, bulls for our new program, AngusPure Special Reserve. To qualify for the ‘A+’
NB. It is important point to be aware that while no emphasis has must meet a minimum AngusPure index of +$120. endorsement, bulls must meet a minimum AngusPure index of +$141.
SRI selected animals can produce more net profit per animal through been placed on some traits, for example maternal traits in the HDT, These bulls will be => +$120 for AngusPure index. They must also meet the minimum marbling requirement of +1.7 for IMF
extra performance in environments where the cow herd is likely to be they still may be selected for indirectly through positive or negative
challenged by regular seasonal feed deficits, maintaining body condition correlations with other traits, as is the case with Days to Calving These bulls will be => +$141 for AngusPure index and => + 1.7 for
is critical to longevity and feeding out is not a viable option. in the HDT. IMF EBV.
AngusPure recognises the need to lift the amount of marbling in our New
Zealand cow genetics, in order to fill the requirements of consumers going
forward. Marbling has two critical components; genetics and feeding.
Checking individual bull EBVs to make sure the index and the EBVs Feeding on a rising plane of nutrition is vital but without the genetics these
match your expectations are advised. attributes will not be able to express themselves.
Using the flow chart may help you with your decisions.
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