References
- Armstrong , D. V. 1994 . Heat stress interaction with shade and cooling . J. Dairy Sci. , 77 : 2044 – 2050 .
- Dubois , I. R. and Williams , D. J. Proceedings of the XI international congress on diseases of cattle . pp. 988 Cited in: Laven, R.A., Peters, A.R. 1996. Bovine retained placenta aetiology, pathogenesis and economic loss. Vet. Record 9: 465–471
- Eiler , H. 1997 . “ Retained placenta ” . In Current Therapy in Large Animal Theriogenology , Edited by: Younquist , R. S. 340 – 348 . Philadelphia : W.B. Saunders Company . Cited in
- Joosten , I. , Stelwagen , J. and Dijkhuizen , A. A. 1988 . Economic and reproductive consequences of retained placenta in dairy cattle . Vet. Record , 123 : 53
- Laven , R. A. and Peters , A. R. 1996 . Bovine retained placenta: aetiology, pathogenesis and economic loss . Vet. Record , 00 : 465 – 471 .
- Noakes , D. E. , Parkinson , T. J. and England , G. 2001 . Arthur's Veterinary Reproduction and Obstetrics, , 8th ed. , 408 – 415 . London : Saunders, W.B., Harcourt Publishers Ltd. .
- Rensis , F. D. and Scaramuzzi , R. J. 2003 . Heat stress and seasonal effects on reproduction in the dairy cow: a review . Theriogenology , 60 : 1139 – 1151 .
- Sheldon , I. M. 2004 . The postpartum uterus . Vet. Clin. Food Anim. , 20 : 569 – 591 .
- Wolfenson , D. , Lew , B. J. , Thatcher , W. W. , Graber , Y. and Meidan , R. 1997 . Seasonal and acute heat stress effects on steroid production by dominant follicles in cow . Anim. Reprod. Sci. , 47 : 9 – 19 .