The effect of Trypanosoma vivax infection on late pregnancy and postpartum return to cyclicity in Boran cattle

Theriogenology

Volumn 46, Issue 5, 1996, Pages 859-869

  Okech, G ^a   Watson, E D ^b   Luckins, A G ^c   Makawiti, D W ^d  

^a Kenya Trypanosomiasis Research Institute   (Kenya)

^b Dept of Veterinary Clinical Studies ^*  (United Kingdom)

^c UNIVERSITY OF EDINBURGH   (United Kingdom)

^d UNIVERSITY OF NAIROBI   (Kenya)

Author keywords

Boran cattle; Pregnancy; Premature birth; Progesterone; Trypanosoma vivax

Indexed keywords

PROGESTERONE;

ANIMAL EXPERIMENT; ARTICLE; CATTLE; CONTROLLED STUDY; DISEASE ASSOCIATION; ENDOMETRITIS; FEMALE; HYPOPHYSIS DISEASE; NONHUMAN; OUTCOMES RESEARCH; OVARY CYCLE; OVARY INSUFFICIENCY; OVULATION; PERINATAL DEATH; PREGNANCY COMPLICATION; PREMATURITY; PROGESTERONE BLOOD LEVEL; PUERPERIUM; RETAINED PLACENTA; SURVIVAL RATE; THIRD TRIMESTER PREGNANCY; TRYPANOSOMA VIVAX; TRYPANOSOMIASIS;

ANIMALIA; BOS TAURUS; TRYPANOSOMA; TRYPANOSOMA VIVAX;

EID: 0030252558     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(96)00243-9     Document Type: Article

References (30)

1. 1. Abebe G, Shaw MK, Eley RM. Trypanosoma congolense in the microvasculature of the pituitary gland of experimentally infected Boran cattle (Bos indicus). Vet Pathol 1993;30:401-409.
2. 2. Abebe G, Eley RM, ole-MoiYoi, OK. Reduced responsiveness of the hypothalamic-pituitary-adrenal axis in Boran (Bos indicus) cattle infected with Trypanosoma congolense. Acta Endocrinol 1993;129:75-80.
3. 3. Agyemang K, Little DA, Mattioli R, Sonko E, Janneh L. Effects of trypanosome infection and postpartum liveweight change on resumption of reproduction activity in N'Dama cows. Theriogenology 1993;39:985-995.
4. 4. Booth JM, Davies J, Holdsworth RJ. Use of the milk progesterone test for pregnancy determination. Br Vet J 1979;135:478-488.
5. 5. Chicoteau P, Bassinga A, Sidibe I, Pobel T, Richard X, Clausen P. The influence of high risk exposure to trypanosome infection on reproductive function in Baoule cattle in Burkina Faso. Revue Elev Med Vet Pays Trop 1990;43:473-477.
6. 6. Edeghere H. Elhassan E, Abenga J, Osue HO, Lawani FAG, Falope O. Effects of infection with Trypanosoma brucei brucei on different trimesters of pregnancy in ewes. Vet Parasitol 1992;43:203-209.
7. 7. Estergreen VL, Frost OL, Gomes WR, Erb RE, Bullard JF. Effect of ovariectomy on pregnancy maintenance and parturition in dairy cows. J Dairy Sci 1967;50:1293-1295.
8. 8. Heap RB, Holdsworth R.J. Modern diagnostic methods in practice: Hormone assays in reproduction and fertility. Br Vet J 1981;137:561-571.
9. 9. Ige K, Amodu AA. Studies on the pathogenesis of trypanosomiasis for N'Dama cattle. Proc 14th International Scientific Council for Trypanosomiasis Research and Control 1975;OAU/STRC No.109:151-153.
10. 10. Ismail AA. Studies on the Susceptibility of the Orma and Galana Boran Cattle to Trypanosome Infection. PhD Dissertation, University of Nairobi, 1988.
11. 11. Llewelyn CA, Munro CD, Luckins AG, Jordt T, Murray M, Lorenzini E. The effects of Trypanosoma congolense infection on the oestrous cycle of the Boran cow. Br Vet J 1988;144:379-387.
12. 12. Lorenzini E, Scott JR, Paling RW, Jordt T. The effects of Trypanosoma congolense infection on the reproductive cycle of N'Dama and Boran heifers. In: Livestock Production in Tsetse Affected Areas of Africa. ILCA/ILRAD 1988;168-173.
13. 13. Mukasa-Mugerwa E. Azage Tegegne. Peripheral plasma progesterone concentration in Zebu (Bos indicus) cows during pregnancy and parturition. Reprod Nutr Dev 1989;29:303-308.
14. 14. Murray M, Clifford DJ, Gettinby G, Snow WF, McIntyre WIM. A study of the susceptibility to African trypanosomiasis of N'Dama and Zebu cattle in an area of Glossina morsitans submorsitans challenge. Vet Rec 1981;109:503-510.
15. 15. Murray PK, Murray M, Wallace M, Morrison WI, McIntyre WIM. Trypanosomiasis in N'Dama and Zebu cattle. I. An experimental investigation of susceptibility to Trypanosoma brucei. T. congolense and mixed infections. Proc 15th International Scientific Council for Trypanosomiasis Research and Control 1979;OAIJ/STRC No. 110:470-481.
16. 16. Nanda AS, Dobson H, Ward WR. Relationship between an increase in plasma cortisol during transport-induced stress and failure of oestradiol to induce a luteinising hormone surge in dairy cows. Res Vet Sci 1990;49:25-28.
17. 17. Njogu AR, Dolan RB, Wilson AJ, Sayer PD. Trypanotolerance in East African Orma Boran cattle. Vet Rec 1985;117:632-636.
18. 18. Ogaa JS, Kamar KK, Gombe S, Njogu AR. Abortion in goats following experimental infection with Trypanosoma congolense. Proc 21st International Scientific Council for Trypanosomiasis Research and Control 1991;OAU/STRC No.116:176 abstr.
19. 19. Ogwu D, Njoku CO, Osori DIK. Effects of experimental Trypanosoma vivax infection on first, second and third trimester pregnancy in heifers. Theriogenology 1986;25:383-398.
20. 20. Ogwu D, Njoku CO. Genital lesions in experimental Trypanosoma congolense infection in heifers. Anim Reprod Sci 1991;26:1-11.
21. 21. Okech G, Watson ED, Luckins AG, Makawiti DWr. The effect of experimental infection of Boran cattle in early and mid-pregnancy with Trypanosoma vivax. Br Vet J 1996;in press.
22. 22. Okech G, Luckins AG, Watson ED, Makawiti DW. Suspected in utero infection in a Boran heifer experimentally infected with Trypanosoma vivax. Br Vet J 1996;152:105-107.
23. 23. Okech G, Dolan RB, Stevenson P. Alushula H, Watson ED, Luckins AG, Omuse JK. The effect of trypanosomosis on pregnancy in trypanotolerant Orma Boran cattle. Theriogenology 1996,in press.
24. 24. Paris J, Murray M, McOdimba F. A comparative evaluation of the parasitological techniques currently available for the diagnosis of African trypanosomiasis in cattle. Acta Trop 1982;39:307-316.
25. 25. Peters AR, Ball PJH (ed), Reproductive problems in the bull and cow. Reproduction in cattle. London: Butterworths, 1987;135-148.
26. 26. Pclers AR, Lamming GE. Regulation of ovarian function in the postpartum cow: An endocrine model. Vet Rec 1986;118:236-239.
27. 27. Stewart JL. The West African Shorthorn Cattle. Their value to Africa as trypanosomiasis resistant animals. Vet Rec 1951;63:454-457.
28. 28. Tanabe TY, Essentiality of the corpus luteum for maintenance of pregnancy in dairy cows. J Dairy Sci 1966;49:731. abstr.
29. 29. Wendorf GL, Lawyer MS, First NL. Role of the adrenals in the maintenance of pregnancy in cows. J Reprod Fertil 1983;68:281-287.
30. 30. Woo PTK. The haematocrit centrifuge for the detection of trypanosomes in blood. Can J Zool 1969;47:921-923.