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 14.02
Milk (kg) -344.00 -0.014 4.82
Fat (kg) -11.12 -0.375 4.17
Prot (kg) -11.41 -0.441 5.04
Fertility Sub Index 7.46
Calving Interval (days) -5.45 -1.459 7.95
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -2.96
Gestation Length (days) 3.22 -0.919 -2.96
Beef Sub Index 0.74
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) -3.17 -0.432 1.37
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 21.33

* Based on an €80/tonne carbon price