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 4.14
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -6.38 -0.375 2.39
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index 3.39
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 1.53 1.117 1.71
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index -3.13
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 8.02

* Based on an €80/tonne carbon price