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 5.17
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -9.01 -0.375 3.37
Prot (kg) -0.87 -0.441 0.38
Fertility Sub Index 4.97
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 1.43 1.117 1.60
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.90
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 18.49

* Based on an €80/tonne carbon price