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 9.37
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -6.08 -0.375 2.28
Prot (kg) -12.54 -0.441 5.53
Fertility Sub Index 2.74
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index -0.59
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 11.76

* Based on an €80/tonne carbon price