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 22.64
Milk (kg) -583.00 -0.014 8.16
Fat (kg) -19.72 -0.375 7.39
Prot (kg) -16.06 -0.441 7.09
Fertility Sub Index 3.67
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) 0.50 1.117 0.56
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index -1.26
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 27.76

* Based on an €80/tonne carbon price