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 4.53
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -1.65 -0.441 0.73
Fertility Sub Index -0.28
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) 1.28 1.117 1.43
Calving Sub Index -0.56
Gestation Length (days) 0.61 -0.919 -0.56
Beef Sub Index -2.11
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 7.33 -0.432 -3.16
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 7.47

* Based on an €80/tonne carbon price