Abdellah, MR; Hussein, HA and Derar, DR (2010). Ovarian follicular ﬂuid constituents in relation to stage of estrous cycle and size of the follicle in buffalo. Vet. World. 3: 263-267.
Alkalby, JMA; Bushra, FH and Fahad, TA (2012). Study on some hormonal and biochemical constituents of follicular fluid and blood plasma in buffaloes. Bas. J. Vet. Res., 11: 90-102.
Arshad, HM; Ahmad, N; Zia-ur-Rahman; Samad, HA; Akhtar, N and Ali, S (2005). Studies on some biochemical constituents of ovarian follicular ﬂuid and peripheral blood in buffaloes. Pakistan Vet. J., 25: 189-193.
Badinga, L; Thatcher, WW; Diaz, T; Drost, M and Wolfenson, D (1993). Effect of environmental heat-stress on follicular development and steroidogenesis in lactating Holstein cows. Theriogenology. 39: 797-810.
Baki Acar, D; Birdane, MK; Dogan, N and Gurler, H
(2013). Effect of the stage of estrous cycle on follicular population, oocyte yield and quality, and biochemical composition of serum and follicular fluid in Anatolian water buffalo. Anim. Reprod. Sci., 137: 8-14.
Barile, VL (2005). Improving reproductive efficiency in female buffaloes. Livest. Prod. Sci., 92: 83-194.
Barile, VL; Gallaso, A; Carretta, A; Marchiori, E and Borghese, A (2001). Evaluation of different timed inseminations on conception rate in synchronized Italian buffaloes. In: Proceedings of Sixth World Buffalo Congress, Venezuela. PP: 172-178.
Baruselli, PS; Reis, EL; Marques, MO; Nasser, LF and Bo, GA (2004). The use of hormonal treatments to improve reproductive performance of anestrus beef cattle in tropical climates. Anim. Reprod. Sci., 82-83: 479-486.
Borghese, A (2005). In: Technical Series 67. Food and Agriculture Organization, Rome, Italy.
Cerri, RLA; Rutigliano, HM; Bruno, RGS and Santos, JEP (2009). Progesterone concentration, follicular development and induction of cyclicity in dairy cows receiving intra-vaginal progesterone inserts. Anim. Reprod. Sci., 110: 56-70.
Chaudhari, CF; Suthar, BN; Sharma, VK; Dabas, VS; Chaudhari, NF and Panchasara, HH (2012). Estrus induction and fertility response in delayed pubertal Kankrej heifers treated with norgestomet ear implant. Vet. World. 5: 453-458.
Chaudhary, JK; Khasatiya, CT; Parmar, SC; Patel, RV and Patel, MD (2015). Serum progesterone and oestradiol-17β profile in norgestomet primed postpartum silent estrus surti buffaloes. Wayamba J. Anim. Sci., Article No. 1427620266: 1095-1103.
Das, GK and Khan, FA (2010). Summer anoestrus in buffalo - a review. Reprod. Domes. Anim., 45: 483-494.
De Rensis, F and Lopez-Gatius, F (2007). Protocols for synchronizing estrus and ovulation in buffalo (Bubalus bubalis): a review. Theriogenology. 67: 209-216.
De Rensis, F and Scaramuzzi, RJ (2003). Heat stress and seasonal effects on reproduction in the dairy cow. A review. Theriogenology. 60: 1139-1151.
Dodamani, MS; Tandle, MK; Mohteshamuddin, K and Honnappagol, SS (2011). Induction of fertile estrus in true anoestrus by re-utilization of Crestar implants in She buffaloes. Vet. World. 4: 28-30.
Edmonson, AJ; Lean, IJ; Weaver, LD; Farver, T and Webster, G (1989). A body condition scoring chart for Holstein dairy cows. J. Dairy Sci., 72: 68-78.
El-Fadaly, MA; Atiefa, AA; Abass, HI; El-Essawy, GS and Essawy, SA (1994). Induction of cyclicity in anestrus and subestrus postpartum Egyptian buffaloes. Proceedings of the 4th World Buffalo Congress. Sao Paulo, Brazil. PP: 539-551.
El-Shahat, KH and Kandil, M (2012). Antioxidant capacity of follicular fluid in relation to follicular size and stage of estrous cycle in buffaloes. Theriogenology. 77: 1513-1518.
Fu, SB; Zhang, HL; Riaz, H; Ahmad, S; Wang, XM; Li, X; Hua, GH; Liu, XR; Guo, AZ and Yang, LG (2013). Effects of different doses of PMSG on reproductive performance in Chinese Holstein dairy cows. Pak. Vet. J., 33: 209-212.
Garcia-Winder, M; Lewis, PE; Townsend, EC; Lewis, GS and Inskeep, EK (1987). Effects of norgestomet on follicular development in postpartum beef cows. J. Anim. Sci., 64: 1099-1109.
Khan, FA; Das, GK; Pande, M; Mir, RA and Shankar, U (2011). Changes in biochemical composition of follicular fluid during reproductive acyclicity in water buffalo (Bubalus bubalis). Anim. Reprod. Sci., 127: 38-42.
Khodaei-Motlagh, M; Zare Shahneh, A; Masoumi, R and De Rensis, F (2011). Alterations in reproductive hormones during heat stress in dairy cattle. African J. Biotech., 10: 5552-5558.
Kumar, S; Balhara, AK; Kumar, R; Kumar, N; Buragohain, L; Baro, D; Sharma, RK; Phulia, SK and Singh, I (2015). Hemato-biochemical and hormonal profiles in post-partum water buffaloes (Bubalus bubalis). Vet. World. 8: 512-517.
Kumar, H; Bhooshan, N; Patra, MK and Yadav, MC (2010). Treatment with progestagen and PMSG to prevent prolonged anestrus in buffaloes. Indian J. Anim. Sci., 80: 623-625.
Leroy, JLMR; Vanholder, T; Delanghane, JR; Opsomer, G; Van-Soom, A; Bols, PEJ and DeKruif, A (2004). Metabolite and ionic composition of follicular ﬂuid from different-sized follicles and their relationship to serum concentrations in dairy cows. Anim. Reprod. Sci., 80: 201-211.
Lohan, IS; Saini, MS; Kaker, ML; Malik, RK; Singh, B and Grewal, SS (2001). Follicular changes in postpartum buffaloes (Bubalus bubalis) induced to cyclicity. Indian J. Anim. Sci., 71: 918-921.
Malik, RK; Singh, P; Sharma, RK; Singh, I; Phulia, SK and Tuli, RK (2011). Efficacy of norgestomet ear implant for estrus induction on postpartum anestrus Murrah buffaloes (Bubalus bubalis). Indian J. Anim. Sci., 81: 687-690.
Malik, RK; Singh, P; Sharma, RK; Singh, I and Tuli, RK (2010). Estrus and fertility response of postpartum anestrus Murrah buffaloes to Crestar and Ovsynch treatment regimens. Indian J. Anim. Sci., 80: 982-985.
Marai, IFM and Haeeb, AAM (2010). Buffalo’s biological functions as affected by heat stress-A review. Livestock Sci., 127: 89-109.
Nayak, V; Agarwal, RG; Srivastav, OP and Thakur, MS (2009). Induction of oestrus in true anestrus buffaloes using Crestar implant alone and in combination with PMSG. Buffalo Bull., 28: 51-54.
Neglia, G; Gasparrini, B; Palo, RD; Rosa, CD; Zicarelli, L and Campanile, G (2003). Comparison of pregnancy rates with two estrus synchronization protocols in Italian Mediterranean Buffalo cows. Theriogenology. 60: 125-133.
Ozyurtlu, N; Cetin, Y; Kicukaslan, I and Kocamuftuoglu, M (2009). Induction of oestrus with norgestomet ear implant and PRID in acyclic holstein heifers. J. Anim. Vet. Adv., 8: 1035-1039.
Pandey, AK; Dhaliwal, GS; Ghuman, SS; Singh, J; Kumar, A and Agarwal, SK (2013). Impact of norgestomet supplementation during early luteal phase on subsequent luteal profiles and conception rate in buffalo: a preliminary study. Trop. Anim. Health Prod., 45: 293-298.
Pieterse, MC; Kappen, KA; Kruip, TA and Taverne, MA (1988). Aspiration of bovine oocytes during transvaginal ultrasound scanning of the ovaries. Theriogenology. 30: 751-762.
Qureshi, MS (2009). Nutritional and management support to reproduction in dairy buffaloes under tropical conditions. Pakistan J. Zool. Suppl. Ser., 9: 895-909.
Qureshi, MS; Habib, G; Nawab, G; Siddiqui, MM; Ahmad, N and Samad, HA (2000). Milk progesterone profiles in various reproductive states in dairy buffaloes under field conditions. Proceedings of National Science Council. Taipei, Taiwan. 24: 70-75.
Qureshi, MS; Habib, G; Samad, HA; Siddiqui, MM; Ahmad, N and Syed, M (2002). Reproduction-nutrition relationship in dairy buffaloes. I. Effect of intake of protein, energy and blood metabolites levels. Asian-Aust. J. Anim. Sci., 15: 330-339.
Rao, LV and Pandey, RS (1982). Seasonal changes in the plasma progesterone concentration in buffalo cow (Bubalus bubalis). J. Reprod. Fertil., 66: 57-61.
Rohilla, N; Singh, U; Sharma, RK and Singh, I (2005). Ultrasonic ovarian status in summer anestrus postpartum Murrah buffaloes. Indian J. Anim. Reprod., 26: 95-98.
Roth, Z; Arav, A; Bor, A; Zeron, Y; Braw-Tal, R and Wolfenson, D (2001). Improvement of quality of oocytes collected in the autumn by enhanced removal of impaired follicles from previously heat-stressed cows. Reproduction. 122: 737-744.
Sharma, RK; Singh, JK; Khanna, S and Singh, I (2012). Ovarian response of prepubertal Murrah heifers to exogenous GnRH. Anim. Reprod. Sci., 133: 153-158.
Singh, C (2003). Response of anoestrus rural buffaloes (Bubalus bubalis) to intravaginal progesterone implant and PGF2a injection in summer. J. Vet. Sci., 4: 137-141.
Singh, AS; Saxena, MS and Prasad, S (2004). Efficacy of Crestar and its combination with folligon on postpartum anoestrus in buffaloes. Indian J. Anim. Reprod., 25: 43-44.
Singh, G; Singh, GB and Dhaliwal, GS (1989). Studies on reproductive status of rural buffaloes in summer. Indian J. Anim. Reprod., 10: 151-153.
Snedecor, GW and Cochran, WG (1989). Statistical methods. 8th Edn., Ames, IowaStateUniversity Press. P: 511.
Thangapandiyan, M; Pothiappan, P; Palaniappan, RM; Joseph, ES and Kathiresan, D (2015). Induction of estrus in anestrus murrah buffaloes and programmed breeding. Buffalo Bull., 34: 241-244.
Thangavel, N (2004). Studies on certain biochemical proﬁle of the buffalo follicular ﬂuid. Indian Vet. J., 81: 25-27.
Varughese, EE; Brar, PS; Honparkhe, M and Ghuman, SPS (2014). Correlation of blood flow of the pre-ovulatory follicle to its diameter and endocrine proﬁle in dairy buffalo. Reprod. Dom. Anim., 49: 140-144.
Wiltbank, MC; Souza, AH; Carvalho, PD; Bender, RW and Nascimento, AB (2011). Improving fertility to timed artificial insemination by manipulation of circulating progesterone concentrations in lactating dairy cattle. Reprod. Fertil. Dev., 24: 238-243.
Zicarelli, L (1997). Reproductive seasonality in buffalo. Bubalus Bubalis. 4: 52-54.