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 9.21
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -10.61 -0.375 3.97
Prot (kg) -8.15 -0.441 3.60
Fertility Sub Index 4.32
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index 2.63
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -0.97 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 18.42

* Based on an €80/tonne carbon price