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 8.16
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -9.08 -0.375 3.40
Prot (kg) -5.77 -0.441 2.55
Fertility Sub Index 12.98
Calving Interval (days) -7.37 -1.459 10.75
Survival (%) 1.99 1.117 2.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.52
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) -1.49 -0.432 0.64
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 21.72

* Based on an €80/tonne carbon price