Page 13 - Dandaleith Angus Sale 2021 ebook

INDEX DESCRIPTIONS
The following three graphs reflects the relative change if the New Zealand
Genetic Selection of bulls using only the SRI tool will on average over
Angus Published Sires (at the Mid-August 2020 TransTasman Angus Cattle
time develop a cow herd with the following:
Evaluation) were ranked on this selection index and the top 10% were used
within a breeding program. Given that the Published Sires are the sires of
• Improved weaning rate through increased fertility
the next generation(s) of New Zealand Angus cattle and have more highly Self Replacing Index (SRI)
and easier calving
accurate EBVs (due to having progeny) than the average animalin the • A slowly decreasing cow size, milk and slowly increasing
INDEX DESCRIPTIONS database, these graphs represent the approximate selection response one body condition
Self Replacing Index (SRI)
would expect to see in the breed from using this index.
The following three graphs reflects the relative change if the New Zealand Genetic Selection of bulls using only the SRI tool will on average over • Progeny will be prime at a younger age for slaughter
Angus Published Sires (at the Mid-August 2020 TransTasman Angus Cattle time develop a cow herd with the following: These characteristics are ideal for an environment where the herd is
New Zealand Angus Self-Replacing Index - Predicted Response
Evaluation) were ranked on this selection index and the top 10% were used exposed to prolonged seasonal feed deficits and feeding supplement
within a breeding program. Given that the Published Sires are the sires of • Improved weaning rate through increased fertility is unlikely.
Expected Change in Individual Traits
the next generation(s) of New Zealand Angus cattle and have more highly and easier calving
accurate EBVs (due to having progeny) than the average animalin the • A slowly decreasing cow size, milk and slowly increasing
INDEX DESCRIPTIONS
database, these graphs represent the approximate selection response one Self Replacing Index (SRI)
body condition
would expect to see in the breed from using this index.
The following three graphs reflects the relative change if the New Zealand • Progeny will be prime at a younger age for slaughter
Genetic Selection of bulls using only the SRI tool will on average over
Angus Published Sires (at the Mid-August 2020 TransTasman Angus Cattle These characteristics are ideal for an environment where the herd is
time develop a cow herd with the following:
New Zealand Angus Self-Replacing Index - Predicted Response
Self Replacing Index (SRI)
INDEX DESCRIPTIONS Evaluation) were ranked on this selection index and the top 10% were used exposed to prolonged seasonal feed deficits and feeding supplement
SS
DC
Cwt
RBY
IMF
Rump
EMA
Rib
200W
BW
600W
400W
GL
MCW
Milk
CEm
CEd
within a breeding program. Given that the Published Sires are the sires of • Improved weaning rate through increased fertility
Expected Change in Individual Traits
The following three graphs reflects the relative change if the New Zealand the next generation(s) of New Zealand Angus cattle and have more highly is unlikely.
Above the 0 line (X axis) selects for more positive numbers and below the line selects
and easier calving
Genetic Selection of bulls using only the SRI tool will on average over
for more negative numbers. For some traits (e.g. growth), a positive response is
Angus Published Sires (at the Mid-August 2020 TransTasman Angus Cattle accurate EBVs (due to having progeny) than the average animalin the • A slowly decreasing cow size, milk and slowly increasing
time develop a cow herd with the following:
Evaluation) were ranked on this selection index and the top 10% were used database, these graphs represent the approximate selection response one desirable and for others (e.g. days to calving), a negative response is desirable.
body condition
within a breeding program. Given that the Published Sires are the sires of • Improved weaning rate through increased fertility
would expect to see in the breed from using this index.
the next generation(s) of New Zealand Angus cattle and have more highly and easier calving • Progeny will be prime at a younger age for slaughter
accurate EBVs (due to having progeny) than the average animalin the • A slowly decreasing cow size, milk and slowly increasing These characteristics are ideal for an environment where the herd is
New Zealand Angus Self-Replacing Index - Predicted Response
database, these graphs represent the approximate selection response one body condition CEd GL BW SS DC Cwt Rib RBY IMF exposed to prolonged seasonal feed deficits and feeding supplement
would expect to see in the breed from using this index. CEm 200W 400W 600W MCW Milk EMA Rump is unlikely.
Expected Change in Individual Traits
• Progeny will be prime at a younger age for slaughter
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
These characteristics are ideal for an environment where the herd is
New Zealand Angus Self-Replacing Index - Predicted Response
desirable and for others (e.g. days to calving), a negative response is desirable.
exposed to prolonged seasonal feed deficits and feeding supplement 13 13
is unlikely.
Expected Change in Individual Traits CEd CEm GL BW 200W 400W 600W MCW Milk SS DC Cwt EMA Rib Rump RBY IMF
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
desirable and for others (e.g. days to calving), a negative response is desirable.
CEd CEm GL BW 200W 400W 600W MCW Milk SS DC Cwt EMA Rib Rump RBY IMF
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
desirable and for others (e.g. days to calving), a negative response is desirable.