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 2.26
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -0.28 -0.375 0.10
Prot (kg) -4.67 -0.441 2.06
Fertility Sub Index 1.86
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index -0.21
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 4.41

* Based on an €80/tonne carbon price