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 2.44
Milk (kg) -114.00 -0.014 1.60
Fat (kg) 3.04 -0.375 -1.14
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 6.28
Calving Interval (days) -3.80 -1.459 5.54
Survival (%) 0.66 1.117 0.74
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -0.45
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 11.13

* Based on an €80/tonne carbon price