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 -7.86
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) 11.69 -0.375 -4.38
Prot (kg) 7.77 -0.441 -3.43
Fertility Sub Index 13.48
Calving Interval (days) -7.19 -1.459 10.49
Survival (%) 2.68 1.117 2.99
Calving Sub Index 3.33
Gestation Length (days) -3.62 -0.919 3.33
Beef Sub Index 1.06
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 4.52 -0.432 -1.95
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 10.31

* Based on an €80/tonne carbon price