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 13.31
Milk (kg) -631.00 -0.014 8.83
Fat (kg) 0.41 -0.375 -0.15
Prot (kg) -10.48 -0.441 4.63
Fertility Sub Index 6.31
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 2.38 1.117 2.66
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 2.15
Carcass Weight (kg) -11.80 -0.528 6.22
Age of Slaughter (days) 9.43 -0.432 -4.07
Maintenance Sub Index Maint. Sub Index 11.99
Live WT (kg) -39.10 -0.307 11.99
Total Carbon Sub Index 34.59

* Based on an €80/tonne carbon price