Summer anoestrus in buffalo - A review

Reproduction in Domestic Animals

Volumn 45, Issue 6, 2010, Pages

  Das, G K ^a   Khan, F A ^a  

^a INDIAN VETERINARY RESEARCH INSTITUTE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ANESTRUS; ANIMAL; BUFFALO; FEMALE; HEAT; PHYSIOLOGY; REVIEW; SEASON;

ANESTRUS; ANIMALS; BUFFALOES; FEMALE; HOT TEMPERATURE; SEASONS;

BUBALUS;

EID: 78649595282     PISSN: 09366768     EISSN: 14390531     Source Type: Journal    
DOI: 10.1111/j.1439-0531.2010.01598.x     Document Type: Review

References (164)

1. Aboul-Ela MB, Barkawi AH, 1988: Pulsatile secretion of LH in cycling buffalo heifers as affected by season and stage of oestrous cycle. In:Proceedings of the 11th International Congress on Animal Reproduction and Artificial Insemination, Vol. 2, Dublin, Ireland, P. 3.
2. Aboul-Ela MB, El-Keraby FE, Chesworth JM, 1983: Seasonal variation in the LH release in response to GnRH in the buffalo. Anim Reprod Sci 6, 229-232.
3. Abou-Zeina HAA, Hassan SG, Sabra HA, Hamam AM, 2009: Trials for elevating adverse effect of heat stress in buffaloes with emphasis on metabolic status and fertility. Glob Vet 3, 51-62.
4. Acharya RM, 1988: The buffalo: dairy, draught and meat animal of Asia. In: Proceedings of the Second World Buffalo Congress, Vol 2, Part I, New Delhi, India, pp. 3-17.
5. Aminudeen, Tanwar RK, 1988: Note on efficacy of Clomiphene citrate in seasonal anoestrus in buffaloes. Indian J Anim Reprod 9, 66-67.
6. Anand LN, Prakash BS, 2008: Comparative profiles of different lipoprotein cholesterol parameters and growth hormone during hot humid and winter season in Murrah buffaloes. Livest Sci 115, 294-300.
7. Arora SP, Kaur HD, Sawhney A, 1982: Progesterone and estradiol-17B concentrations in blood plasma of buffaloes during different reproductive disorders. Buffalo Bull 1, 9.
8. Arthur GH, 1975: Veterinary Reproduction and Obstetrics, 4th edn. The English Language Book Society and Bailliere, Tindall.
9. Arya JS, Madan ML, 1983: Hyperprolactinaemia: a possible cause of late maturity in buffalo heifers. Indian J Anim Prod Mngt 13, 193-197.
10. Bakr AA, Ramoun AA, 2000: Effect of dietary energy on response of buffaloes with smooth inactive ovaries to gonadotrophin releasing hormone injection. Assuit Vet Med J 42, 13-23.
11. Barile VL, 2005: Improving reproductive efficiency in female buffaloes. Livest Prod Sci 92, 83-194.
12. Barile VL, Gallaso A, Carretta A, Marchiori E, Borghese A, 2001: Evaluation of different timed inseminations on conception rate in synchronised Italian buffaloes. In: Proceedings of Sixth World Buffalo Congress, Maracaibo, Venezuela, 20-30 May, pp. 172-178.
13. Baruselli PS, 2001: Control of follicular development applied to reproduction biotechnologies in buffalo. In: Proceedings of the I Congresso Nazionale sull'Allevamento del Bufalo, Italy, Book of the Congress, pp. 128-146.
14. Baruselli PS, Madureira EH, Banarka VH, Barnarbe RC, Cassimiro R, 2003: Evaluation of synchronization of ovulation for fixed time insemination. Brazilian J Vet Res Anim Sci 40, 431-442.
15. Basu S, 1962: Seasonal variation of fertility in Murrah buffaloes. Indian Vet J 39, 433-438.
16. Batra SK, Pandey RS, 1982: Luteinizing hormone and oestradiol-17B in blood plasma and milk during the estrous cycle and early pregnancy in Murrah buffaloes. Anim Reprod Sci 5, 247-257.
17. Beg MA, Totey SM, 1999: The oestrous cycle, oestrus behaviour and the endocrinology of the oestrous cycle in the buffalo (Bubalus bubalis). Anim Breed Abstr 67, 329-337.
18. Borghese A, Barile VL, Terzano GM, Pilla AM, Parmeggiani A, 1995: Melatonin trend during season in heifers and buffalo cows. Bubalus bubalis 1, 61-64.
19. Borghese A, Barile VL, Terzano GM, Galasso A, Malfatti A, Barbato O, 1999: Time of LH peak in oestrus synchronized buffaloes in two different seasons. In: Book of Abstracts of the 50th EAAP Annual Meeting, Zurich, Switzerland, 22-26 August, pp. 166.
20. Brar PS, Nanda AS, 2004: Impact of conventional managemental practices on reproductive performance of rural buffaloes. Indian J Anim Reprod 25, 94-96.
21. Bughio S, Shahani AK, Mirani AH, Moriani AA, Oad FC, Bughio BA, 2000: Seasonal trend of calving and subsequent service period in buffaloes. Pak J Biol Sci 3, 2169-2170.
22. Chaudhry RA, 1988: Recent advances in female reproduction. In: Proceedings of Second World Buffalo Congress, December, 1988, Delhi, India, Vol. II, Part I pp. 225-228.
23. Chauhan FS, Singh M, 1979: Anoestrus in buffaloes. Indian Vet J 56, 583-589.
24. 2α and subsequent fertility in suboestrus buffalo. Theriogenology 50, 1101-1108.
25. Cockrill WR, 1980: The ascendant water buffalo-key domestic animal. World Anim Rev 33, 2-13.
26. Cockrill WR, 1993: Developing the water buffalo: a decade of promise. Buffalo J 9, 1-11.
27. Dahiya V, Lohan IS, Saini MS, Kaker ML, Malik RK, 2003: Ultrasonographic assessment of ovarian changes in anoestrus buffaloes treated with norgestomet. Indian J Anim Sci 73, 1033-1036.
28. Danell B, 1987: Oestrus behavior, ovarian morphology and cyclical variation in the follicular system and endocrine pattern in Water Buffalo heifers. PhD Dissertation, Swedish University of Agricultural Science, Uppsala.
29. Das GK, Jain GC, Solanki VS, Tripathi VN, 1996: Efficacy of various collection methods for oocyte retrieval in buffalo. Theriogenology 46, 1403-1411.
30. Das GK, Agarwal SK, Pathak MK, Singh SK, Shankar U, 2005: Studies on certain attributes of buffalo follicular fluid. Indian J Anim Reprod 26, 55-57.
31. De Rensis F, Lopez-Gatius F, 2007: Protocols for synchronizing estrus and ovulation in buffalo (Bubalus bubalis): a review. Theriogenology 67, 209-216.
32. De Rensis F, Scaramuzzi RJ, 2003: Heat stress and seasonal effects on reproduction in the dairy cow: a review. Theriogenology 60, 1139-1151.
33. De Rensis F, Ronchi G, Guarneri P, Nguyen BX, Presicce GA, Huszenicza G, 2005: Conception rate after fixed time insemination following Ovsynch protocol with and without progesterone supplementation in cyclic and non-cyclic Mediterranean Italian buffaloes (Bubalus bubalis). Theriogenology 63, 1824-1831.
34. Desai MC, Thakkar TP, Amin Darshona R, Janakiraman J, 1982: A note on serum copper and iron in Surti-buffalo in relation to reproduction and gonadotrophins. Indian J Anim Sci 52, 443-444.
35. Devanathan TG, Neduncheralathan B, Kathiresan D, Quayam SA, 1984: Serum cholesterol level in cycling and anoestrus Murrah buffaloes. Cheiron 13, 43-44.
36. Dhoble RL, Gupta SK, 1979: A note on blood glucose level in relation to postpartum anoestrus in buffaloes. Indian J Anim Sci 49, 953-984.
37. Di Palo R, Parmeggiani A, Spadetta M, Campanile G, Esposito L, Seren E, Zicarelli L, 1997: Influence of changing farm on repeatability of melatonin plasma level in Italian Mediterranean buffalo. In: Proceedings of Fifth World Buffalo Congress, Caserta, Italy, 13-16 October, pp. 758-761.
38. Di Palo R, Midea D, Campanile G, Gasparrini B, Rossi N, Zicarelli L, 2001: Influence of management system on reproductive activity of dairy buffaloes during the hot season. In: Proceedings of Sixth World Buffalo Congress, May 20-23, Maracaibo, Venezuela, pp. 130-136.
39. Di Palo R, Ariota B, Zicarelli F, De Blasi M, Zicarelli G, Gasparrini B, 2009: Incidence of pregnancy failures in buffaloes with different rearing system. Ital J Anim. Sci 8(Suppl. 2), 619-621.
40. Doisy RA, 1972: Micronutrient controls on biosynthesis of clotting proteins and cholesterol. In: Hemphill D (ed), Trace Substances in the Environmental Health, 6th edn. University of Missouri Press, Columbia, MO, P. 193.
41. El-Wishy AB, 2007a: The postpartum buffalo: I. Endocrinological changes and uterine involution. Anim Reprod Sci 97, 201-215.
42. El-Wishy AB, 2007b: The postpartum buffalo: II. Acyclicity and anoestrus. Anim Reprod Sci 97, 216-236.
43. FAOSTAT, 1997:
44. FAOSTAT, 2007:
45. Galhotra MM, Kaker ML, Razdan MN, 1982: Serum FSH levels of noncycling Murrah buffaloes (Bubalus bubalis). Indian J Anim Sci 55, 73-74.
46. Gangwar PC, 1980: Climate and reproduction in buffaloes - a review. Indian J Dairy Sci 33, 419-426.
47. Ghuman SPS, Singh J, Honparkhe M, Dadarwal D, Dhaliwal GS, Jain AK, 2008: Induction of ovulation of ovulatory size non-ovulatory follicles and initiation of ovarian cyclicity in summer anoestrus buffalo heifers (Bubalus bubalis) using melatonin implants. Reprod Dom Anim doi 10.1111/j.1439-0531.2008.01310.x.
48. Gordon I, 1996: Introduction to controlled reproduction in buffaloes. In: Controlled Reproduction in Cattle and Buffaloes. Ian Gordon (ed.), CAB International, Oxon US pp. 432-449.
49. Gupta SK, Das GK, 1994: Post partum anoestrus in buffaloes I. Factors responsible. J Remount Vet Corps 33, 141-151.
50. Gupta SK, Das GK, 1996: Post partum anoestrus in buffaloes II. Hormonal profiles. J Remount Vet Corps 35, 128-142.
51. Gupta SK, Das GK, 1999: Ovarian activity and uterine involution in post parturient buffalo: effect of suckling - an overview. J Remount Vet Corps 38, 135-142.
52. 3), tetraiodothyronin/ thyroxine (T4) and progesterone. In: Proceedings of Second World Buffalo Congress, Vol. III Part I, December 12-16, 1988, New Delhi, India, pp. 1162-1164.
53. Guraya SS, 1973: Morphology, histochemistry and biochemistry of follicular growth and atresia. In: Proceedings of the symposium on ovogenesis-folliculogenesis, Nouzilly. Ann Biol Anim Biochem Biophys (Suppl.) 13, 229-240.
54. Guraya SS, 1979: Morphological and histochemical observations on buffalo ovaries during anoestrus. Indian J Anim Sci 49, 423-432.
55. Hafez ESE, 1955: Puberty in the buffalo cow. J Agric Sci 46, 137-142.
56. Hafez ESE, Jainudeen MR, Rosnina Y, 2000: Hormones, growth factors and reproduction. In: Hafez ESE, Hafez B (eds), Reproduction in Farm Animals, 7th edn. Lippincott Williams and Wilkins, Baltimore, Maryland, USA, pp. 33-54.
57. Harjit K, Arora SP, 1982: Influence of level of nutrition and season on estrous cycle and fertility in buffaloes. Buffalo Bull 1, 15 (abstr.).
58. Heranjal DD, Sheth AR, Desai R, Rao SS, 1979a: Serum gonadotropins and prolactin levels during the estrous cycle in Murrah buffaloes. Indian J Dairy Sci 32, 247-249.
59. Heranjal DD, Sheth AR, Wadadekar KB, Desai R, Rao SS, 1979b: Serum gonadotrophins and prolactin in anoestrus buffaloes. Indian J Dairy Sci 32, 383-385.
60. Heranjal DD, Sheth AR, Rao SS, 1979c: Physiopathological problems in buffalo reproduction and artificial insemination. In: Buffalo Reproduction and Artificial Insemination. FAO, Rome, FAO Animal Production and Health Paper No. 13 pp. 216-219.
61. Heranjal DD, Sheth AR, Desai R, Rao SS, 1984: Circulating levels of gonadotrophins and prolactin in anoestrus Murrah buffaloes. Indian Vet J 61, 35-38.
62. Howland BE, Kirkpatrick RL, Pope AO, Casida LE, 1966: Pituitary and ovarian function in ewes fed on two nutritional levels. J Anim Sci 25, 716-721.
63. Hukeri VB, Ansari NN, Deshpande BR, 1979: Fertivet trials on estrus induction and conception in anoestrus lactating buffaloes. Indian Vet J 56, 958-961.
64. 2α- GnRH protocol. Buffalo J 3, 323-327.
65. Jain GC, 1987: Hormonal profile in anoestrus rural buffaloes. Indian J Anim Reprod 8, 9-11.
66. Jain GC, 1988: Hormonal profiles in anoestrus rural buffaloes. In: Proceedings of Second World Buffalo Congress, Vol. 2, Part 1, New Delhi, India, p. 39.
67. Jainudeen MR, 1988: Reproduction problems of buffaloes in the world. In: Proceedings of Second World Buffalo Congress, Vol. 2, Part 1, December 12-16, 1988, New Delhi, India, pp. 89-196.
68. Jainudeen MR, 1989: Reproduction in the buffalo. In: Noakes DE, Parkinson TJ, England GCW (eds), Arthur's Veterinary Reproduction and Obstetrics, 8th edn. Saunders Harcourt, India, pp. 789-800.
69. Jainudeen MR, Hafez ESE, 2000: Reproductive cycles in cattle and buffaloes. In: Hafez ESE, Hafez B (eds), Reproduction in Farm Animals, 7th edition. Lea and Febiger, Baltimore, Maryland, USA, pp. 297-314.
70. Janakiraman K, Desai MC, Anim DR, Sheth AR, Moodbird SB, Wadadekar KB, 1980: Serum gonadotropin levels in buffaloes in relation to phases of oestrous cycle and breeding periods. Indian J Anim Sci 50, 601-606.
71. Jani RG, Prajapati BR, Dave MR, 1995: Haematological and biochemical changes in normal fertile and infertile Surti buffaloes. Indian J Anim Sci 65, 536-539.
72. Kabir KK, Varshney JP, Rawal CVS, Ansari MR, 2001: Studies on serum progesterone and certain blood biochemical indices in cyclic and acyclic non-descript rural buffaloes. Indian Vet J 78, 1116-1118.
73. Kadu MS, Chede SA, 1992: Studies on hormonal and non-hormonal treatments for summer anoestrus in buffaloes. Indian J Anim Reprod 13, 168-170.
74. Kaker ML, Razdan MN, Galhotra MM, 1980: Serum LH concentration in cyclic buffalo (Bubalus bubalis). J Reprod Fertil 60, 419-424.
75. Kaker ML, Galhotra MM, Razdan MN, 1981: Serum prolactin levels of cycling Murrah buffaloes during summer and winter. Indian J Dairy Sci 34, 391-393.
76. Kaker ML, Razdan MN, Galhotra MM, 1982: Serum prolactin levels of non-cycling Murrah buffaloes (Bubalus bubalis). Theriogenology 17, 469-474.
77. Karaivanov C, 1986: Comparative studies on the superovulatory effect of PMSG and FSH in water buffalo (Bubalus bubalis). Theriogenology 26, 51-59.
78. Kaur H, Arora SP, Sawhney A, 1983: Progesterone and estradiol-17β concentrations in blood plasma of buffaloes during different reproductive disorders. Indian J Anim Reprod 3, 62 (abstr.).
79. Khurana ML, Madan ML, 1985: Thyroxin secretion rate in buffaloes during hot dry, hot humid and cold season. In: Proceedings of First World Buffalo Congress, Cairo, Egypt. P. 1165.
80. Knight PG, Wrathall JHM, Glencross RG, McLeod BJ, 1991: Effect of bovine follicular fluid on the secretion of LH and FSH in inhibin immunized seasonally anoestrus ewes. J Endocrinol 128, 403-410.
81. Kumar S, Das GK, Paudel KP, Kumar D, 2003: Nutrition and reproduction: macro and micro nutrients in relation to fertility and infertility. Indian Vet Med J 27, 1-10.
82. Luktuke SN, Sharma C, 1978: Studies on the incidence of 'true anestrum' in rural cattle and buffaloes. Indian Vet J 55, 940-942.
83. Madan ML, 1984: Studies on Physiology of Buffaloes and Cattle. Summary Research Report, Animal Physiology, National Dairy Research Institute, Karnal (ICAR). Haryana, India.
84. Madan ML, 1985: Endocrine control of reproduction in buffaloes. In: Proceedings of First World Buffalo Congress, Cairo, Egypt, Vol. 3, pp. 516-526.
85. Madan ML, 1987: Endocrine aspects of anoestrus and late maturity among buffaloes. In: Proceedings of International Symposium on Milk Buffalo Reproduction, 16-20 March, 1987, Islamabad, Pakistan. pp. 162-181.
86. Madan ML, 1988: Status of reproduction in female buffalo. In: Proceedings of Second World Buffalo Congress, December 12-17, 1988, New Delhi, India, Comp. Latest Research Information Based on Indian Studies, pp. 89-100.
87. Madan ML, Naqvi SMK, Triu CV, Suri AK, Prakash BS, 1983: Plasma estradiol-17β, progesterone and cortisol among anestrus rural animals. Indian J Anim Reprod 3, 60 (abstr.).
88. McCool CJ, Townsend MP, Wolfe SG, Entuiste KW, 1987: Endocrinological studies on pregnancy, post-partum anestrus and seasonal variation of ovarian activity in the Australian swamp buffalo cow. Buffalo J 1, 67-72.
89. McNeilly AS, 1987: Prolactin and the control of gonadotrophin secretion. J Endocrinol 115, 1-5.
90. Minoia P, Zicarelli L, Lacalandra G, Mastronardi M, 1984: Follicular development in anoestrus water buffalo by means of pulsatile doses of GnRH. In: Proceedings of 10th International Congress on Animal Reproduction and Artificial Insemination, Vol. 2, Urbana Champaign, IL, USA. 10-14 June 1984, pp. 13-14.
91. Mishra V, Mishra AK, Sharma R, 2007: Effect of ambient temperature on in vitro fertilization of Bubaline oocyte. Anim Reprod Sci 100, 379-384.
92. Misra MS, Sengupta BP, Roy A, 1963: Physiological reactions of buffalo cows maintained in two different housing conditions during summer months. Indian J Dairy Sci 16, 203-215.
93. Morgan PJ, Williams LM, 1989: Central melatonin receptors: implications for mode of action. Experientia 45, 955-965.
94. Mudgal VD, 1979: Effect of levels of nutrition on reproduction in riverine buffaloes. In: Buffalo Reproduction and Artificial Insemination. FAO Animal Production and Health Paper 13, pp. 247-257.
95. Murthy SN, Rao AVN, 1981: Blood cholesterol profiles in different reproductive phases of graded Murrah buffaloes. Indian Vet J 58, 771-773.
96. Murugavel K, Antoine D, Raju MS, Lopez-Gatius F, 2009: The effect of addition of equine chorionic gonadotropin to a progesterone-based estrous synchronization protocol in buffaloes (Bubalus bubalis) under tropical conditions. Theriogenology 71, 1120-1126.
97. Nanda AS, Chauhan FS, Sharma RD, 1991: Observations on oestrus, ovulation and progesterone profiles after clomiphene treatment in summer anoestrus buffaloes. Buffalo Bull 10, 27-31.
98. Nanda AS, Brar PS, Prabhakar S, 2003: Enhancing reproductive performance in dairy buffalo: major constraints and achievements. Reproduction (Suppl) 61, 27-36.
99. Nandi S, Chauhan MS, Palta P, 2001: Effect of environmental temperature on quality and developmental competence in vitro of buffalo oocytes. Vet Rec 148, 278-279.
100. 0 Congresso Nazionale Sull' Allevamento del Buffalo, Eboli, Italy. 3-5 Ottobre, pp. 337-340.
101. Neglia G, Gasparrini B, Palo RD, Rosa CD, Zicarelli L, Campanile G, 2003: Comparison of pregnancy rates with two estrus synchronization protocols in Italian Mediterranean Buffalo cows. Theriogenology 60, 125-133.
102. Neglia G, Rendina M, Balestrieri A, Grasso FL, Potena A, Russo I, Zicarelli L, 2009: Influence of a swimming-pool on fertility in buffalo species. Ital J Anim Sci 8(Suppl. 2), 637-639.
103. Pahwa GS, Pandey RS, 1983: Gonadal steroid hormone level in blood plasma and milk of primiparous and multiparous non-pregnant and pregnant buffaloes. Theriogenology 19, 491-506.
104. Palta P, Madan ML, 1995: Gonadotropic responses to GnRH in Murrah buffaloes (Bubalus bubalis) treated with PMSG. Buffalo J 11, 205-211.
105. Palta P, Mondal S, Prakash BS, Madan ML, 1997: Peripheral inhibin levels in relation to climatic variations and stage of estrous cycle in Buffalo (Bubalus bubalis). Theriogenology 47, 989-995.
106. Pandey MD, Raizada BC, 1979: Overcoming summer sterility in buffalo bulls and cows. In: Buffalo Reproduction and Artificial Insemination. FAO, Rome, FAO Animal Production and Health Paper No. 13, pp. 235-246.
107. Pandey MD, Roy A, 1966: Vitamin A and carotene status of domestic ruminants and the effects of seasons on Vitamin A storage in buffaloes. Indian Vet J 43, 613-621.
108. Pant HC, Barot LR, Dugwekar YG, Kasiraj R, Prabhakar JH, 2002: Hormonal induction of oestrus in anoestrus buffaloes. Indian J Anim Reprod 23, 32-34.
109. Paraneswaran M, Thakkar TP, Janakiraman K, 1983: Pineal activity in relation to ovarian structures and breeding seasons in the water buffaloes. Indian J Anim Reprod 4, 5-8.
110. Parmeggiani A, Di Palo R, Zicarelli L, Campanile G, Esposito L, Seren E, Accorsi PA, E Soflai SM, 1994: Melatonina e stagionalità riproduttiva nella bufala. [Melatonin and reproductive seasonality in the buffalo cow]. Agric Ric 153, 41-48.
111. Pornrattanapitak P, Dugwekar YG, 1985: Hormonal and non-hormonal treatment of summer anoestrus in buffaloes. Indian J Anim Reprod 6, 198 (abstr.).
112. Qureshi MS, Samad HA, Habib G, Usmani RH, Siddiqui MM, 1999: Study on Factors leading to seasonality of reproduction in dairy buffaloes. I. Nutritional factors. Asian-Australasian J Anim Sci 12, 1019-1024.
113. Qureshi MS, Habib G, Nawab G, Siddiqui MM, Ahmad N, Samad HA, 2000: Milk progesterone profiles in various reproductive states in dairy buffaloes under field conditions. Proceedings of National Science Council, Taipei, Taiwan.Vol. 24, pp. 70-75.
114. Ramoun AA, Osman KT, Darwish SA, Karan AM, Gomal MH, 2007: Effect of pre treatment with insulin on the response of buffaloes with inactive ovaries to gonadotrophin releasing hormone agonist treatment in summer. Reprod Fertil Develop 19, 351-355.
115. Randhawa CS, Randhawa SS, Singh N, Sidhu SS, 2004: Copper supplementation and fertility response in anoestrus buffaloes - a clinical trial. Indian J Anim Reprod 25, 41-42.
116. Rao AV, Sreemannarayan O, 1982: Clinical analysis of reproductive failure among female buffaloes (Bubalis bubalis) under village management in Andhra Pradesh. Theriogenology 18, 403-411.
117. Rao AVN, Venkatramiah P, 1991: Induction and synchronization of oestrus and fertility in seasonally anestrous buffaloes with GnRH and PGF analogue. Anim Reprod Sci 25, 109-113.
118. Rastegarnia A, Niasari-Naslagi A, Hovareshti P, Sarhaddi F, Safaei M, 2004: The effect of different doses of Gonadorelin on ovarian follicle dynamics in river buffalo (Bubalus bubalis). Theriogenology 62, 1283-1291.
119. Rathour KK, Pandit RK, Agrawal RG, Quadri MA, Shrivastava OP, 2005: Some blood biochemical indices and fertility following treatment of anestrus in Murrah buffaloes. Indian J Anim Reprod 26, 129-132.
120. Razdan MN, 1988: Buffalo performance in relation to climatic environment. In Proceedings of Second World Buffalo Congress, Vol 2, Part 1, December 12-16, 1988, New Delhi, India, pp. 173-186.
121. Razdan MN, Kakar ML, Galhotra MM, 1981: Serum luteinizing hormone levels of non-cycling buffaloes (Bubalus bubalis). Indian J Anim Sci 51, 286-288.
122. Ribeiro HFL, Vale WG, Sousa JS, Ohashi OM, 1987: Orquite tuberculosica em buffalo. In: Seventh Congress Brasilian Reproduction Animals, Belo Horizonte, Anais.
123. Ribeiro HFL, Vale WG, Andrade VJ, Marques AP Jr, 2003: Environmental effect on the ovarian post partum activity in the buffaloes raised in low Amazon region, Brazil. Buffalo J. 3, 311-321.
124. Robinson JJ, 1995: Whole-body fuel selection: 'reproduction'. Proc Nutr Soc 54, 283-299.
125. Robinson JJ, 1996: Nutrition and reproduction. Anim Reprod Sci 42, 25-34.
126. Rohilla N, Singh U, Sharma RK, Singh I, 2005: Ultrasonic ovarian status in summer anestrus postpartum Murrah buffaloes. Indian J Anim Reprod 26, 95-98.
127. Roy A, Raizada BC, Tiwari RBL, Pandey MD, Yadav PC, Sengupta BP, 1968: Effect of management on fertility of buffalo cows bred during summer. Indian J Vet Sci 38, 554-560.
128. Roy DJ, Bhattacharya AR, Luktuke SN, 1972: Oestrus and ovarian activities of buffaloes in different months. Indian Vet J 49, 54-60.
129. 2α induced oestrus in sub oestrus buffaloes during summer. Indian J Anim Sci 67, 513-514.
130. Sarvaiya NP, Mehta VM, Patel AVC, 1993: Blood serum oestradiol-17β and progesterone around parturition in Surti buffaloes. Indian J Anim Sci 63, 294-295.
131. Sastry NSR, Tripathi VN, 1988: Modern management innovations for optimizing buffalo production. In: Proceedings of Second World Buffalo Congress, December 12-17, 1988, New Delhi, India. Comp. Latest Research Information Based on Indian Studies, pp. 38-62.
132. Schallenberger E, Prokopp S, 1995: Gonadotrophin and ovarian steroids in cattle IV. Re establishment of the stimulatory feedback action of estradiol-17β on LH and FSH. Acta Endocrinol 109, 44-49.
133. Shah SNH, 1990: Prolonged calving intervals in Nilli-Ravi buffalo. PhD thesis. Rijksuniversiteit te Utrecht, p 162.
134. Shah SNH, Willemse AH, Van de Wiel DFM, Engel B, 1989: Influence of season and parity on several reproductive parameters in Nilli-Ravi buffaloes in Pakistan. Anim Reprod Sci 21, 177-190.
135. Shah SNH, Willemse AH, Van de Wiel DFM, 1990: Reproductive performance of Nilli-Ravi buffaloes after a single injection of GnRH early postpartum. Trop Anim Health Prod 22, 239-246.
136. Sheth AR, Wadadekar KB, Moodbidri SB, Janakiraman K, Paramesh M, 1978: Seasonal alteration in the serum prolactin and LH levels in the water buffaloes. Curr Sci 47, 75-77.
137. Simpson RB, Chase CC, Spicer LJ, Vernon RK, Hammon AC, Rae DO, 1994: Effect of exogenous insulin on plasma and follicular insulin-like growth factor - I, insulin like growth factor binding protein activity, follicular estradiol and progesterone and follicular growth in superovulated Angus and Brahman cow. J Reprod Fertil 120, 483-492.
138. Singh C, 2003: Response of anoestrus rural buffaloes (Bubalus bubalis) to intravaginal progesterone implant and PGF2α injection in summer. J. Vet. Sci. 4, 137-141.
139. Singh B, Chaudhry KC, 1992: Plasma hormonal and electrolyte alterations in cycling buffaloes (Bubalus bubalis) during hot summer months. Int J Biometereol 36, 151-154.
140. Singh J, Madan ML, 1989: Hyperprolactinaemia: A possible cause of summer anoestrus in buffaloes. Proceedings of National Symposium of Applied Reproduction in Farm Animals and 8thNational Convention of ISSAR, Anand, November 10-12.
141. Singh G, Singh GB, Sharma RD, Nanda AS, 1983: Experimental treatment of summer anoestrus in buffaloes with norgestomet and PRID. Theriogenology 19, 323-329.
142. Singh M, Chaudhary KC, Takkar OP, 1988: Increasing the reproductive performance of buffaloes. In: Proceedings of Second World Buffalo Congress, Vol. 2, pp. 271-282.
143. Singh G, Singh GB, Dhaliwal GS, 1989: Studies on reproductive status of rural buffaloes in summer. Indian J Anim Reprod 10, 151-153.
144. Singh J, Nanda AS, Adams GP, 2000: The reproductive pattern and efficiency of female buffaloes. Anim Reprod Sci 60-61, 593-604.
145. Singh AP, Sah RS, Singh RB, Akhtar MH, Roy GP, Singh C, Kunj V, 2006: Response of mineral mixture, prajana and GnRH on serum biochemical constituents and conception rate in anoestrus buffalo. Indian J Anim Reprod 27, 51-54.
146. Singhal SP, Dhanda OP, Razdan MN, 1984: Some managemental and therapeutic approaches in the treatment of physiological infertility of Water Buffaloes (Bubalus bubalis). In: Proceedings of 10th International Congress Animal Reproduction Artificial Insemination, Vol. 3, Urbana Campaign, Illinois, pp. 471.
147. Singla SK, Manik RS, Chauhan MS, Madan ML, 1999: Quality of oocytes obtained from buffalo ovaries during winter and summer months. Indian J Anim Reprod 20, 100-102.
148. Takkar OP, Singh M, Varman PN, 1983: Progesterone levels vis a vis anoestrum in buffaloes concurrent with profiles during stages of estrous cycle. Indian J Dairy Sci 36, 125-128.
149. Torres-Júnior JR, De S Pires M, De FA de Sá WF, Ferreira A, De M Viana JHM, Camargo LSA, Ramos AA, Folhadella IM, Polisseni J, De Freitas C, Clemente CAA, De Sá Filho MF, Paula-Lopes FF, Baruselli PS, 2008: Effect of maternal heat stress on follicular growth and oocyte competence in Bos indicus cattle. Theriogenology 69, 155-166.
150. Umesh KR, Reddy VSC, Rao AS, Reddy CS, Reddy VS, Reddy GVN, 1995: Studies on certain blood constituents of rural buffaloes during cyclic and postpartum anoestrus periods. Indian Vet J 72, 469-471.
151. Vale WG, Ohashi OM, 1994: Problems of reproduction in buffaloes. Buffalo J Suppl. 2, 103-122.
152. Veerapandian C, Narasimhan KS, Quayam SA, Pattabiraman SR, 1987: Variation in certain biochemical constituents in the blood of anoestrus buffaloes maintained under farm and urban conditions. Cheiron 16, 19-22.
153. Verma HK, Sidhu SS, Panqwanker GR, Dhablania DC, 1992: Treatment of summer anoestrus in buffaloes with Bromocriptine. Indian J Anim Reprod 13, 190-192.
154. Wettemann RP, Tucker HA, 1974: Relationship of ambient temperature to serum prolactin in heifers. Proc Soc Exptl Med 146, 908-911.
155. Wolfenson D, Roth Z, Meidan R, 2000: Impaired reproduction in heat stressed cattle: basic and applied aspects. Anim Reprod Sci 60-61, 535-547.
156. Wrathal JHM, McLeod BJ, Glencross RG, Beard AJ, Knight PJ, 1990: Inhibin immunoneutralization by antibodies raised against synthetic sequences of inhibin α-subunit: effects on gonadotropin secretion and ovulation rate in sheep. J Endocrinol 124, 167-176.
157. Yessein S, Shawki H, Bashandy MM, Essawy S, Abdallah I, 1994: Clinicopathological studies in infertile buffaloes. Indian J Anim Reprod 15, 14-18.
158. Zicarelli L, 1992: Recenti acquisizioni sull'attività riproduttiva nella bufala. [Advances in buffalo cow reproduction]. In: Atti 4° Meeting Nazionale "Studio della Efficienza Riproduttiva degli Animali di Interesse Zootecnico", Bergamo, Italy, 10 Aprile: 9-39.
159. Zicarelli L, 1993: Anaestro e induzione dell'estro in bufale acicliche. Atti Conv. su "Miglioramento dell'efficienza produttiva e riproduttiva della specie bufalina. Agic. e Ric, 153, 55-81.
160. Zicarelli L, 1994: Management under different environmental conditions. Buffalo J (Suppl.) 2, 17-38.
161. Zicarelli L, 1997: Reproductive seasonality in buffalo. In: Proceedings of Third International Course of Biotechnology in Buffalo Reproduction, Napoli 6-10 October, Suppl. Bubalus Bubalis, 4, 29-52.
162. Zicarelli L, 2003: Advances in buffalo reproduction. In: Proceedings of the II Congresso Nazionale sull'Allevamento del Bufalo, August 28-30, Eboli, Italy, pp. 233-254.
163. Zicarelli F, Campanile G, Gasparrini B, Di Palo R, Zicarelli L, 2005: Influence of the period and of the space on the milk production and on the consumption of dry matter in the Italian Mediterranean Buffalo. In: Proceedings of Third Congresso Nazionale sull' Allevamento del Buffalo-1st Buffalo Symp., Europe and the Americas, Paestum (SA), Italy, pp. 75-76.
164. Zoheir KMA, Abdoon AS, Mahrous KF, Amer MA, Zaher MM, LiGuo Y, El-Nahass EM, 2007: Effects of season on the quality and in vitro maturation rate of Egyptian buffalo (Bubalus bubalis) oocytes. J Cell Anim Biol 1, 29-33.