TY  - GEN
AU  - Tribble,R L
AU  - Sorensen,A M
AU  - Woodward,T L
AU  - Connor,J S
AU  - Beverly,J R
AU  - Fleeger,J L
TI  - Serum progestins and luteinising hormone levels in non-suckled primiparous heifers
SN  - 0028-0836
PY  - 1974///0211
KW  - Animals
KW  - Breast Feeding
KW  - Cattle
KW  - Estrus
KW  - Female
KW  - Luteinizing Hormone
KW  - blood
KW  - Parity
KW  - Postpartum Period
KW  - Pregnancy
KW  - Pregnenediones
KW  - Progesterone
KW  - Time Factors
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1038/246494a0
ER  -