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 18.79
Milk (kg) -320.00 -0.014 4.48
Fat (kg) -21.13 -0.375 7.91
Prot (kg) -14.48 -0.441 6.39
Fertility Sub Index 2.49
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) 0.75 1.117 0.84
Calving Sub Index -3.21
Gestation Length (days) 3.49 -0.919 -3.21
Beef Sub Index -0.45
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 24.00

* Based on an €80/tonne carbon price