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 2.56
Milk (kg) -173.00 -0.014 2.42
Fat (kg) 1.71 -0.375 -0.64
Prot (kg) -1.77 -0.441 0.78
Fertility Sub Index -6.63
Calving Interval (days) 3.47 -1.459 -5.06
Survival (%) -1.40 1.117 -1.56
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index -0.51
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.99 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index -1.58

* Based on an €80/tonne carbon price