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 -4.93
Milk (kg) 56.00 -0.014 -0.78
Fat (kg) 6.47 -0.375 -2.42
Prot (kg) 3.91 -0.441 -1.73
Fertility Sub Index 0.17
Calving Interval (days) 1.52 -1.459 -2.22
Survival (%) 2.14 1.117 2.39
Calving Sub Index -2.38
Gestation Length (days) 2.59 -0.919 -2.38
Beef Sub Index 0.12
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index -3.92

* Based on an €80/tonne carbon price