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 7.01
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -6.62 -0.441 2.92
Fertility Sub Index 1.38
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 1.02
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 10.28

* Based on an €80/tonne carbon price