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 9.98
Milk (kg) 33.00 -0.014 -0.46
Fat (kg) -12.38 -0.375 4.64
Prot (kg) -13.16 -0.441 5.81
Fertility Sub Index 0.87
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.09 1.117 0.10
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index 0.21
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 12.12

* Based on an €80/tonne carbon price