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 6.28
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -5.40 -0.375 2.02
Prot (kg) -4.66 -0.441 2.06
Fertility Sub Index 4.53
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index -3.87
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) 3.72 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 6.55

* Based on an €80/tonne carbon price