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 20.75
Milk (kg) -343.00 -0.014 4.80
Fat (kg) -22.13 -0.375 8.29
Prot (kg) -17.35 -0.441 7.66
Fertility Sub Index 6.26
Calving Interval (days) -4.00 -1.459 5.84
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.54
Gestation Length (days) 0.59 -0.919 -0.54
Beef Sub Index 0.60
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.14 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 30.93

* Based on an €80/tonne carbon price