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 5.80
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -0.88 -0.375 0.33
Prot (kg) -6.59 -0.441 2.91
Fertility Sub Index -4.09
Calving Interval (days) 2.04 -1.459 -2.98
Survival (%) -1.00 1.117 -1.12
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index -0.86
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 2.13

* Based on an €80/tonne carbon price