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 15.04
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -15.76 -0.375 5.90
Prot (kg) -13.73 -0.441 6.06
Fertility Sub Index 8.54
Calving Interval (days) -5.19 -1.459 7.57
Survival (%) 0.87 1.117 0.97
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index -1.91
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 25.38

* Based on an €80/tonne carbon price