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 36.28
Milk (kg) -981.00 -0.014 13.73
Fat (kg) -26.86 -0.375 10.06
Prot (kg) -28.28 -0.441 12.48
Fertility Sub Index 6.05
Calving Interval (days) -2.66 -1.459 3.88
Survival (%) 1.94 1.117 2.17
Calving Sub Index -1.37
Gestation Length (days) 1.49 -0.919 -1.37
Beef Sub Index -2.38
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 8.44 -0.432 -3.64
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 45.41

* Based on an €80/tonne carbon price