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 10.50
Milk (kg) -263.00 -0.014 3.68
Fat (kg) -10.92 -0.375 4.09
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index 7.63
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 1.68 1.117 1.88
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 1.17
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 22.57

* Based on an €80/tonne carbon price