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 4.68
Milk (kg) 114.00 -0.014 -1.60
Fat (kg) -9.45 -0.375 3.54
Prot (kg) -6.19 -0.441 2.73
Fertility Sub Index -0.10
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 4.80

* Based on an €80/tonne carbon price