id	definition
01	Total Offspring
02	Males Born Alive
03	Males Born Dead
04	Females Born Alive
05	Females Born Dead
06	Unsexables Born Alive
07	Unsexables Born Dead
08	Non-sexed Born Alive
09	Non-sexed Born Dead
10	Live Male Offspring
11	Dead Male Offspring
12	Live Female Offspring
13	Dead Female Offspring
14	Missing Male Offspring
15	Missing Female Offspring
16	Cannibalized Male Offspring
17	Cannibalized Female Offspring
18	Sacrificed Male Offspring
19	Sacrificed Female Offspring
20	Culled Male Offspring
21	Culled Female Offspring
ZZ	Mutually Defined