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 27.91
Milk (kg) -589.00 -0.014 8.25
Fat (kg) -28.46 -0.375 10.66
Prot (kg) -20.39 -0.441 9.00
Fertility Sub Index 5.21
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 0.99 1.117 1.11
Calving Sub Index -1.76
Gestation Length (days) 1.91 -0.919 -1.76
Beef Sub Index -1.40
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 34.24

* Based on an €80/tonne carbon price