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 -10.85
Milk (kg) -76.00 -0.014 1.06
Fat (kg) 19.59 -0.375 -7.34
Prot (kg) 10.38 -0.441 -4.58
Fertility Sub Index 1.30
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 1.24 1.117 1.39
Calving Sub Index 2.05
Gestation Length (days) -2.23 -0.919 2.05
Beef Sub Index 10.01
Carcass Weight (kg) -25.80 -0.528 13.61
Age of Slaughter (days) 8.34 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 19.28
Live WT (kg) -62.90 -0.307 19.28
Total Carbon Sub Index 21.78

* Based on an €80/tonne carbon price