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 13.22
Milk (kg) -295.00 -0.014 4.13
Fat (kg) -11.96 -0.375 4.48
Prot (kg) -10.44 -0.441 4.61
Fertility Sub Index 2.95
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.29 1.117 0.32
Calving Sub Index -1.81
Gestation Length (days) 1.97 -0.919 -1.81
Beef Sub Index -2.72
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 11.90

* Based on an €80/tonne carbon price