Breeding ewes out-of-season using melengestrol acetate, one injection of progesterone, or a controlled internal drug releasing device

Theriogenology

Volumn 56, Issue 1, 2001, Pages 105-110

  Daniel, J A ^a   Sterle, S W ^a   McFadin Buff, E L ^a   Keisler, D H ^a  

^a UNIVERSITY OF MISSOURI   (United States)

Author keywords

CIDR; Melengestrol acetate; Out of season; Progesterone; Sheep

Indexed keywords

GESTAGEN; MELENGESTROL ACETATE; PROGESTERONE;

ANIMAL; ANIMAL EXPERIMENT; ARTICLE; BREEDING; CONTROLLED DRUG RELEASE; CONTROLLED STUDY; DEVICE; DIETARY INTAKE; DRUG IMPLANT; ESTRUS; FEMALE; HORMONAL THERAPY; HORMONE ACTION; MALE; NONHUMAN; PREGNANCY; RANDOMIZATION; REPRODUCTION; SEASON; SHEEP;

ANIMALS; DRUG IMPLANTS; ESTRUS; FEMALE; MALE; MELENGESTROL ACETATE; PREGNANCY; PROGESTERONE; PROGESTERONE CONGENERS; RANDOM ALLOCATION; REPRODUCTION; SEASONS; SHEEP;

EID: 0035398846     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(01)00546-5     Document Type: Article

References (11)

1. Melengestrol acetate and norgestomet for the induction of synchronized estrus in seasonally anovular ewes
2. Breeding strategies
3. Melengestrol acetate at greater doses than typically used for estrous synchrony in bovine females does not mimic endogenous progesterone in regulation of secretion of luteinizing hormone and 17β-estradiol
4. Effects of progesterone pretreatment and duration of ram exposure on synchronization of estrus, conception and pregnancy by prostaglandin during seasonal anestrus
5. Analytical methods for MGA®(melengestrol acetate)
6. Use of melengestrol acetate-based treatments to induce and synchronize estrus in seasonally anestrous ewes
7. Use of melengestrol acetate and gonadotropins to induce fertile estrus in seasonally anestrous ewes
8. Characterization of endocrine events during the periestrous period in sheep after estrous synchronization with controlled internal drug release (CIDR) device
9. Effects of melatonin and progesterone administrated to ewes in spring and summer
10. Accelerated lambing using exogenous progesterone and the ram effect