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 7.74
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -8.00 -0.375 3.00
Prot (kg) -6.28 -0.441 2.77
Fertility Sub Index 0.97
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 10.04

* Based on an €80/tonne carbon price