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 18.01
Milk (kg) -340.00 -0.014 4.76
Fat (kg) -19.38 -0.375 7.26
Prot (kg) -13.57 -0.441 5.99
Fertility Sub Index 6.22
Calving Interval (days) -2.88 -1.459 4.20
Survival (%) 1.81 1.117 2.02
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -1.65
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 7.37 -0.432 -3.18
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 26.59

* Based on an €80/tonne carbon price