Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.93
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -4.96 -0.375 1.86
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 2.80
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) -1.02 1.117 -1.14
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index 0.66
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 8.20

* Based on an €80/tonne carbon price