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 8.53
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -9.41 -0.375 3.52
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index 5.51
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 0.53 1.117 0.59
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index -2.94
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 10.91

* Based on an €80/tonne carbon price