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 11.36
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -12.44 -0.375 4.66
Prot (kg) -7.73 -0.441 3.41
Fertility Sub Index 8.57
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 2.29 1.117 2.56
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index -0.54
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) -3.51 -0.432 1.52
Maintenance Sub Index Maint. Sub Index 0.71
Live WT (kg) -2.30 -0.307 0.71
Total Carbon Sub Index 18.80

* Based on an €80/tonne carbon price