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 7.93
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -8.13 -0.375 3.05
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index -2.14
Calving Interval (days) 2.03 -1.459 -2.96
Survival (%) 0.74 1.117 0.83
Calving Sub Index -1.27
Gestation Length (days) 1.38 -0.919 -1.27
Beef Sub Index -1.79
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 5.48 -0.432 -2.37
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 6.49

* Based on an €80/tonne carbon price