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 4.98
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -6.70 -0.375 2.51
Prot (kg) -2.11 -0.441 0.93
Fertility Sub Index 5.18
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 0.67 1.117 0.75
Calving Sub Index -1.10
Gestation Length (days) 1.20 -0.919 -1.10
Beef Sub Index -4.63
Carcass Weight (kg) 7.30 -0.528 -3.85
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index 2.86

* Based on an €80/tonne carbon price