Influence of estrus of dairy goats on somatic cell count, milk traits, and sex steroid receptors in the mammary gland

Journal of Dairy Science

Volumn 90, Issue 2, 2007, Pages 790-797

  Moroni, P ^a   Pisoni, G ^a   Savoini, G ^a   Van Lier, E ^b   Acuna S ^b   Damian J P ^b   Meikle, A ^b  

^a UNIVERSITY OF MILAN   (Italy)

^b UNIVERSITY OF URUGUAY   (Uruguay)

Author keywords

Dairy goat; Estrus; Sex steroid receptor; Somatic cell count

Indexed keywords

CAPRA HIRCUS;

CASEIN; ESTRADIOL; ESTROGEN RECEPTOR ALPHA; LACTOSE; LIPID; MILK PROTEIN; PROGESTERONE; PROGESTERONE RECEPTOR; UREA;

ANIMAL; ARTICLE; BLOOD; CELL COUNT; CHEMISTRY; CYTOLOGY; EPITHELIUM CELL; ESTRUS; FEMALE; GOAT; MILK; PHYSIOLOGY; UDDER;

ANIMALS; CASEINS; CELL COUNT; EPITHELIAL CELLS; ESTRADIOL; ESTROGEN RECEPTOR ALPHA; ESTRUS; FEMALE; GOATS; LACTOSE; LIPIDS; MAMMARY GLANDS, ANIMAL; MILK; MILK PROTEINS; PROGESTERONE; RECEPTORS, PROGESTERONE; UREA;

EID: 34247884465     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.S0022-0302(07)71563-1     Document Type: Article

References (30)

1. Anderson, K. L., A. R. Smith, S. L. Spahr, B. K. Gustafsson, E. Hixon, P. G. Weston, E. H. Jaster, R. D. Shanks, and L. Whitmore. 1983. Influence of the estrus cycle on selected biochemical and cytologic characteristics of milk of cows with subclinical mastitis. Am. J. Vet. Res. 44:677-680.
2. Boos, A., W. Meyer, R. Schwarz, and E. Grunert. 1996. Immunohistochemical assessment of estrogen receptor and progesterone receptor distribution in biopsy samples of the bovine endometrium collected throughout the oestrous cycle. Anim. Reprod. Sci. 44:11-21.
3. Clark, J. H., W. T. Schrader, and B. W. O'Malley. 1992. Mechanisms of steroid hormones action. Pages 35-90 in Textbook of Endocrinology. J. D. Wilson and D. W. Foster, ed. W. B. Saunders, Philadelphia, PA.
4. Cowan, C. M., and L. L. Larson. 1979. Relationship of the estrous cycle to milk composition. J. Dairy Sci. 62:546-550.
5. Dulin, A. M., M. J. Paape, W. D. Schultze, and B. T. Weinland. 1983. Effect of parity, stage of lactation, and intramammary infection on concentration of somatic cells and cytoplasmic particles in goat milk. J. Dairy Sci. 66:2426-2433.
6. EEC (European Economic Community). 1986. Council Directive 86/ 609/EEC: On the approximation of laws, regulations, and administrative provisions of the Member States regarding the protection of animals used for experimental and other scientific purposes. Off. J. L 358:1-28.
7. Gipson, T. A., and M. Grossman. 1989. Diphasic analysis of lactation curves in dairy goats. J. Dairy Sci. 72:1035-1044.
8. Guidry, A. J., M. J. Paape, and R. E. Pearson. 1975. Effects of estrus and exogenous estrogen on circulating neutrophils and milk somatic cell count concentration, neutrophil phagocytosis, and occurrence of clinical mastitis in cows. Am. J. Vet. Res. 36:1555-1560.
9. Haenlein, G. F. W. 2002. Relationship of somatic cell counts in goat milk to mastitis and productivity. Small Rumin. Res. 45:163-178.
10. Haenlein, G. F. W., and W. C. Krauss. 1974. Effects of single injections of diethylstilbestrol on milk composition and counts of leucocytes in milk of Holstein-Friesian cattle. Z. Tierphysiol. Tierernahr. Futtermittelkd. 34:50-60.
11. Hayes, J. F., K. F. Ng-Kwai-Hang, and J. E. Moxley. 1984. Heritability of milk casein and genetic and phenotypic correlations with production traits. J. Dairy Sci. 67:841-846.
12. Hojman, D., O. Kroll, G. Adin, M. Gips, B. Hanochi, and E. Ezra. 2004. Relationships between milk urea and production, nutrition, and fertility traits in Israeli dairy herds. J. Dairy Sci. 87:1001-1011.
13. Kuiper, G. G. J. M., B. Carlsson, K. Grandien, E. Enmark, J. Häggblad, S. Nilsson, and J. A. Gustafsson. 1997. Comparison of the ligand binding specificity and transcript tissue distribution of estrogen receptors α and β. Endocrinology 138:863-870.
14. Luengo, C., A. Sanchez, J. C. Corrales, C. Fernandez, and A. Contreras. 2004. Influence of intramammary infection and non-infection factors on somatic cell counts in dairy goats. J. Dairy Res. 71:169-174.
15. McDougall, S., and M. Voermans. 2002. Influence of estrus on somatic cell count in dairy goats. J. Dairy Sci. 85:378-383.
16. Meikle, A., M. Forsberg, L. Shalin, B. Masironi, C. Tasende, M. Rodríguez-Piñón, and E. G. Garóófalo. 2000. A biphasic action of estradiol on estrogen and progesterone receptor expression in the lamb uterus. Reprod. Nutr. Dev. 40:283-293.
17. Meikle, A., C. Tasende, M. Rodriguez, and E. G. Garofalo. 1997. Effects of estradiol and progesterone on the reproductive tract and on uterine sex steroid receptors in female lambs. Theriogenology 48:1105-1113.
18. Meikle, A., C. Tasende, C. Sosa, and E. G. Garófalo. 2004. The role of sex steroid receptors in sheep female reproductive physiology. Reprod. Fertil. Dev. 16:1-10.
19. Moroni, P., G. Pisoni, G. Ruffo, and P. J. Boettcher. 2005a. Risk factors for intramammary infections and relationship with somatic cell counts in Italian dairy goats. Prev. Vet. Med. 69:163-173.
20. Moroni, P., G. Pisoni, G. Ruffo, I. Cortinovis, and G. Casazza. 2005b. Study of intramammary infections in dairy goats from mountainous regions in Italy. N.Z. Vet. J. 53:375-376.
21. Park, Y. W., and R. D. Humphrey. 1986. Bacterial cell counts in goat milk and their correlations with somatic cell counts, percent fat, and protein. J. Dairy Sci. 69:32-37.
22. Sanchez, A., A. Contreras, J. C. Corrales, and J. C. Marco. 2001. Relationships between infection with caprine arthritis encephalitis virus, intramammary bacterial infection and somatic cell counts in dairy goats. Vet. Rec. 148:711-714.
23. Santucci, P. M., A. Branca, M. Napoleone, R. Boche, F. Poisot, G. Aumont, and G. Alexandre. 1991. Body condition score of goats in extensive condition. Pages 240-255 in Goat Nutrition. Vol. 46. Pudoc Publ., Wageningen, the Netherlands.
24. Schams, D., S. Kohlenberg, W. Amselgruber, B. Berisha, M. W. Pfaffl, and F. Sinowatz. 2003. Expression and localisation of oestrogen and progesterone receptors in the bovine mammary gland during development, function and involution. J. Endocrinol. 177:305-317.
25. Sevi, A., M. Albenzio, R. Marino, A. Santillo, and A. Muscio. 2004. Effects of lambing season and stage of lactation on ewe milk quality. Small Rumin. Res. 51:251-259.
26. Storry, J. E., A. S. Grandison, D. Millard, A. J. Owen, and G. D. Ford. 1983. Chemical composition and coagulating properties of renneted milk from different breeds and species of ruminants. J. Dairy Res. 50:215-229.
27. Varas, S. M., and G. A. Jahn. 2005. The expression of estrogen, prolactin, and progesterone receptors in mammary gland and liver of female rats during pregnancy and early postpartum: regulation by thyroid hormones. Endocr. Res. 31:357-370.
28. Wiehle, R. D., and J. L. Wittliff. 1983. Alterations in sex-steroid hormone receptors during mammary gland differentiation in the rat. Comp. Biochem. Physiol. B 76:409-417.
29. Wilson, D. J., K. Stewart, and P. M. Sears. 1995. Effects of stage of lactation, production, parity and season on somatic cell counts in infected and uninfected dairy goats. Small Rumin. Res. 16:165-169.
30. Zeng, S. S., E. N. Escobar, and T. Popham. 1997. Daily variations in somatic cell count, composition, and production of Alpine goat milk. Small Rumin. Res. 26:253-260.