Reference 123. -- Lactation type codes

0	=	Record that has been completed (cow dried off) or terminated due to cow leaving the herd or having an abortion at >= 152 days from last breeding or at >= 200 days in milk if no breeding date.
1	=	Record in progress (including > 305 days in milk)
2	=	Record truncated at 305 or 365 days in milk
4	=	Donor dam (milk yield not required)
5	=	Delete all records for a cow
6	=	Delete all records with matching herd information
7	=	Delete all records with matching calving information
8	=	Delete one test day record with matching calving, herd, and DIM.
9	=	Delete all records with matching calving and herd information
A	=	Change the lactation DIM for matching cow, calving, and herd and delete all test days and reproductive events with DIM greater than the input DIM (@136-138). When used in a format 5 record, only reproductive events with dates greater than the input date (@139-146), in the one required segment, will be deleted.
P	=	No production data provided
T	=	Allows for submission of termination code, left herd date, or barn name for heifers