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 6.61
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index 5.29
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.11
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 15.90

* Based on an €80/tonne carbon price