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 12.08
Milk (kg) -303.00 -0.014 4.24
Fat (kg) -10.13 -0.375 3.79
Prot (kg) -9.16 -0.441 4.04
Fertility Sub Index 3.87
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 0.12
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 18.28

* Based on an €80/tonne carbon price