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 5.69
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index 6.14
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 1.79 1.117 2.00
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.00
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 20.93

* Based on an €80/tonne carbon price