Progesterone concentrations in milk fat at first insemination - Effects on non-return and repeat-breeding

Animal Reproduction Science

Volumn 65, Issue 1-2, 2001, Pages 33-41

  Waldmann, A ^a,b   Reksen, O ^c   Landsverk, K ^d   Kommisrud, E ^e   Dahl, E ^c   Refsdal, A O ^e   Ropstad, E ^c  

^a ESTONIAN UNIVERSITY OF LIFE SCIENCES   (Estonia)

^b UNIVERSITY OF TARTU   (Estonia)

^c NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

^d Team Semin ^*  (Norway)

^e GENO Breeding and AI Association   (Norway)

Author keywords

Artificial insemination (AI); Cattle endocrinology; Fertility; Milk fat progesterone; Progesterone; Repeat breeding

Indexed keywords

ANIMAL BREEDING; ARTIFICIAL INSEMINATION; BREED; CATTLE; CONCENTRATION (PARAMETERS); MILK FAT; NORWAY; PROGESTERONE; REGRESSION ANALYSIS;

ANIMALS; ANTIBODIES, MONOCLONAL; CATTLE; FATS; FEMALE; IMMUNOENZYME TECHNIQUES; INSEMINATION, ARTIFICIAL; LEAST-SQUARES ANALYSIS; MALE; MILK; PREGNANCY; PROGESTERONE; REPRODUCTION;

BOS TAURUS;

EID: 0035977557     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0378-4320(00)00227-X     Document Type: Article

References (20)

1. A review of embryonic mortality in cattle
2. Progesterone levels and oestrus expression in dairy heifers at the time of field insemination
3. Suprabasal progesterone levels in repeat-breeder heifers during the pro- and oestrus-period
4. Progesterone in bovine milk fat
5. Influence of varying levels of blood progesterone upon estrus behavior in cattle
6. Interrelationships with estrous behavior and conception in dairy cattle
7. Influence of low plasma progesterone concentrations on the release of prostaglandin F2α during luteolysis and oestrus in heifers
8. Profiles of reproductive hormones associated with fertile and nonfertile inseminations of dairy cows
9. Sequential endocrine changes and behaviour during oestrus and metoestrus in repeat-breeder and virgin heifers
10. Concentrations of progesterone in the backfat of pigs during the oestrus cycle and after ovariectomy
11. Could artificial insemination in cattle be more fruitful? Penalties associated with ageing eggs
12. An assessment by progesterone assay of the accuracy of oestrus detection in dairy cows
13. The relationship between fertility in dairy cows and clinical and biochemical measurements, with special reference to plasma glucose and acetone
14. Progesterone concentrations in milk fat around ovulation in the dairy cow: Differences between observed and silent heat
15. Monoclonal antibodies to progesterone: Characterization and selection for enzyme immunoassay in bovine milk
16. Level and distribution of progesterone in bovine milk in relation to storage in the mammary gland
17. Failure of conception in dairy cattle: Progesterone and oestradiol-17β concentrations and the presence of ovarian follicles in relation to the timing of artificial insemination