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 8.33
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -7.23 -0.375 2.71
Prot (kg) -5.03 -0.441 2.22
Fertility Sub Index 11.86
Calving Interval (days) -6.20 -1.459 9.05
Survival (%) 2.52 1.117 2.82
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.08
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 4.58 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index 7.97
Live WT (kg) -26.00 -0.307 7.97
Total Carbon Sub Index 33.05

* Based on an €80/tonne carbon price