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 9.90
Milk (kg) -199.00 -0.014 2.79
Fat (kg) -8.78 -0.375 3.29
Prot (kg) -8.66 -0.441 3.82
Fertility Sub Index 6.67
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index 0.54
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 18.57

* Based on an €80/tonne carbon price