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 16.63
Milk (kg) -295.00 -0.014 4.13
Fat (kg) -17.43 -0.375 6.53
Prot (kg) -13.54 -0.441 5.98
Fertility Sub Index 5.43
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 1.71 1.117 1.91
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.14
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 5.94 -0.432 -2.56
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 23.06

* Based on an €80/tonne carbon price