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 -1.28
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) 1.75 -0.375 -0.66
Prot (kg) 0.71 -0.441 -0.31
Fertility Sub Index -8.91
Calving Interval (days) 4.89 -1.459 -7.13
Survival (%) -1.59 1.117 -1.78
Calving Sub Index 1.38
Gestation Length (days) -1.50 -0.919 1.38
Beef Sub Index 1.18
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 4.85 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index -4.91

* Based on an €80/tonne carbon price