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Puberty in beef heifers. III. Induction of fertile estrus
- Source :
- Journal of animal science. 40(6)
- Publication Year :
- 1975
-
Abstract
- Colorado State University, s Fort Collins 80521 Summary By utilizing estrogen and progesterone, it appeared possible to mimic the changes occurring in blood hormone levels near puberty. This suggested the possibility of induction of puberty in beef heifers. Four trials were conducted to test this hypothesis and a fifth to explore the effect of treatment with steroids in induction of estrus in suckling anestrous cows.
- Subjects :
- medicine.medical_specialty
medicine.drug_class
Norpregnenes
Biology
Anestrus
Estrus
Ovarian Follicle
Pregnancy
Pregnenediones
Internal medicine
Genetics
medicine
Animals
Lactation
Insemination, Artificial
Progesterone
Estrous cycle
Labor, Obstetric
Estradiol
Progesterone Congeners
Body Weight
Age Factors
General Medicine
Blood hormone levels
Endocrinology
Fertility
Estrogen
Animal Science and Zoology
Cattle
Female
Food Science
Subjects
Details
- ISSN :
- 00218812
- Volume :
- 40
- Issue :
- 6
- Database :
- OpenAIRE
- Journal :
- Journal of animal science
- Accession number :
- edsair.doi.dedup.....0f8cd5322d542b1d36daa57083299f9c