The male effect stimulus positively influences luteinising hormone secretion in ovariectomised Criollo goats irrespective of a controlled photoperiodic regime

References

• Amoah , EA and Bryant , M . 1984 . A note on the effect of contact with male goats on occurrence of puberty in female goat kids . Animal Production , 38 : 141 – 144 .
   Google Scholar
• Aréchiga , CF , Aguilera , JI , Rincón , RM , Méndez de Lara , S , Bañuelos , R and Meza-Herrera , CA . 2008 . Role and perspectives of goat production in a global world. Tropical and Subtrop . Agroecosystems , 9 : 1 – 14 .
   Google Scholar
• Aréchiga-Flores CF , Rincón-Delgado RM 1998 . Perspectives for implementation of reproductive technologies in goats . XIII Annual National Meeting on Goat Production . Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., México 13 : 12 – 37 .
   Google Scholar
• Carrillo , E , Véliz , FG , Flores , JA and Delgadillo , JA . 2007 . A diminution in the male/female ratio does not reduce the ability of sexually active male goats to induce estrus activity in anovulatory female goats . Technical Pecu Mexico , 45 : 319 – 328 .
   Google Scholar
• Chemineau , P . 1983 . Effect on oestrus and ovulation of exposing creole goats to the male at three times of the year . Journal of Reproduction Fertility , 67 : 65 – 72 .
   PubMedGoogle Scholar
• Chemineau , P . 1987 . Possibilities for using bucks to stimulate ovarian and oestrus cycles in anovulatory goats . A Review of Livestock Production Science , 17 : 135 – 147 .
   Web of Science ®Google Scholar
• Chemineau , P , Baril , G , Leboeuf , B , Maurel , M.C , Roy , F , Pellicer-Rubio , M , Malpaux , B and Cognie , Y . 1999 . Implications of recent advances in reproductive physiology for reproductive management of goats . Journal Reproduction Fertility Supplement , 54 : 129 – 142 .
   PubMedGoogle Scholar
• Chemineau , P , Daveau , A , Cognié , Y , Aumont , G and Chesneau , D . 2004 . Seasonal ovulatory activity exists in tropical Creole female goats and Black Belly ewes subjected to a temperate photoperiod . BMC Physiology , 4 : 1 – 12 .
   PubMedGoogle Scholar
• Chemineau , P , Levy , F and Thimonier , J . 1986a . Effects of anosmia on LH secretion, ovulation and oestrus behaviour induced by males in the anovular Creole goats . Animal Reproduction Science , 10 : 125 – 132 .
   Web of Science ®Google Scholar
• Chemineau , P , Martin , GB , Saumande , J and Norman , TE . 1988 . Seasonal and hormonal control of pulsatile LH secretion in the dairy goat (Capra hircus) . Journal Reproduction Fertility , 83 : 91 – 98 .
   PubMedGoogle Scholar
• Chemineau , P , Norman , TE , Ravault , JP and Thimonier , J . 1986b . Induction and persistence of pituitary and ovarian activity in the out-of-season lactating dairy goat after a treatment combining a skeleton photoperiod, melatonin and the male effect . Journal Reproduction Fertility , 78 : 497 – 504 .
   PubMedGoogle Scholar
• Chemineau , P , Pellicer-Rubio , MT , Lassoued , N , Khaldi , G and Monniaux , D . 2006 . Male-induced short oestrous and ovarian cycles in sheep and goats: a working hypothesis . Review Reproduction Nutrition Devevelopment , 46 : 417 – 429 .
   PubMedGoogle Scholar
• De Santiago-Miramontes , MA , Rivas-Muñoz , R , Muñoz-Gutiérrez , M , Malpaux , B , Scaramuzzi , RJ and Delgadillo , JA . 2009 . The ovulation rate in anoestrous female goats managed under grazing conditions and exposed to the male effect is increased by nutritional supplementation . Animal Reproduction Science , 116 : 85 – 94 .
   PubMed Web of Science ®Google Scholar
• De Santiago-Miramontes MA , Rivas-Muñoz R , Muñoz-Gutiérrez M , Malpaux B , Scaramuzzi RJ , Delgadillo JA . 2008 . The ovulation rate in anoestrous female goats managed under grazing conditions and exposed to the male effect is increased by nutritional supplementation . Animal Reproduction Science 105 : 409 – 416 .
   PubMed Web of Science ®Google Scholar
• Delgadillo , JA , Carrillo , E , Moran , J , Duarte , G , Chemineau , P and Malpaux , B . 2001 . Induction of sexual activity of male creole goats in subtropical northern Mexico using long days and melatonin . Journal of Animal Science , 79 : 2245 – 2252 .
   PubMed Web of Science ®Google Scholar
• Delgadillo , JA and Chemineau , P . 1992 . Abolition of the seasonal release of luteinizing hormone and testosterone in Alpine goats (Capra hircus) by short photoperiodic cycles . Journal of Reproduction Fertility , 94 : 45 – 55 .
   PubMedGoogle Scholar
• Delgadillo , JA , Cortez , ME , Duarte , G , Chemineau , P and Malpaux , B . 2004a . Evidence that the photoperiod controls the annual changes in testosterone secretion, testicular and body weight in subtropical male goats . Reproduction Nutrition Development , 44 : 183 – 193 .
   PubMedGoogle Scholar
• Delgadillo , JA , Fitz-Rodríguez , G , Duarte , G , Véliz , FG , Carrillo , E , Flores , JA , Vielma , J , Hernandez , H and Malpaux , B . 2004b . Management of photoperiod to control caprine reproduction in the subtropics . Reproduction Fertility Development , 16 : 471 – 478 .
   PubMed Web of Science ®Google Scholar
• Delgadillo , JA , Flores , JA , Véliz , FG , Duarte , G , Vielma , J , Hernandez , H and Fernandez , IG . 2006 . Importance of the signals provided by the buck for the success of the male effect in goats . Review Reproduction Nutrition Development , 46 : 391 – 400 .
   PubMed Web of Science ®Google Scholar
• Delgadillo , JA , Flores , JA , Veliz , FG , Hernández , HF , Duarte , G , Vielma , J , Poindron , P , Chemineau , P and Malpaux , B . 2002 . Induction of sexual activity in lactating anovulatory female goats using male goats treated only with artificially long days . Journal of Animal Science , 80 : 2780 – 2786 .
   PubMed Web of Science ®Google Scholar
• Delgadillo , JA , Gelez , H , Ungerfeld , R , Hawken , PA and Martin , GB . 2009 . The ‘male effect’ in sheep and goats–Revisiting the dogmas . Review Behaviour Brain Research , 2009 : 304 – 314 .
   Google Scholar
• Delgadillo , JA , Hochereau-de Reviers , MT , Daveau , A and Chemineau , P . 1995 . Effect of short photoperiodic cycles on male genital tract and testicular parameters in male goat (Capra hircus) . Reproduction Nutrition Development , 35 : 549 – 558 .
   PubMedGoogle Scholar
• Delgadillo , JA , Leboeuf , B and Chemineau , P . 1993 . Maintenance of sperm production in bucks during a third year of short photoperiodic cycles . Reproduction Nutrition Development , 33 : 609 – 617 .
   PubMedGoogle Scholar
• Delgadillo-Sánchez , JA , Flores-Cabrera , JA , Véliz-Deras , FG , Duarte-Moreno , G , Vielma-Sifuentes , J , Poindron-Massot , P and Malpaux , B . 2003 . Control de la reproducción de los caprinos del subtrópico mexicano utilizando tratamientos fotoperiódicos y efecto macho . Veterinary Mexico , 34 : 69 – 79 .
   Google Scholar
• Ebling , FJ . 2005 . The neuroendocrine timing of puberty . Reproduction , 129 : 675 – 683 .
   PubMed Web of Science ®Google Scholar
• Escobar FJ , Zarco L , Valencia J 1997 . Effect of photoperiod on reproductive seasonality of criollo goat in Mexico . XXII Annual Meeting of Academy for Reproductive Biology Research . Acapulco, Guerrero, México, AIBIR .
   Google Scholar
• Fitz-Rodríguez , G , De Santiago-Miramontes , MA , Scaramuzzi , RJ , Malpaux , B and Delgadillo , JA . 2009 . Nutritional supplementation improves ovulation and pregnancy rates in female goats managed under natural grazing conditions and exposed to the male effect . Animal Reproduction Science , 116 : 85 – 89 .
   PubMed Web of Science ®Google Scholar
• Flores , JA , Veliz , FG , Perez-Villanueva , JA , Martinez de la Escalera , G , Chemineau , P , Poindron , P , Malpaux , B and Delgadillo , JA . 2000 . Male reproductive conditions is the limiting factor of efficiency in the male effect during seasonal anestrus in female goats . Biology of Reproduction , 62 : 1409 – 1414 .
   PubMed Web of Science ®Google Scholar
• Gamez-Vazquez , HG , Rosales-Nieto , CA , Bañuelos-Valenzuela , R , Urrutia-Morales , J , Diaz-Gomez , MO , Silva-Ramos , JM and Meza-Herrera , CA . 2008 . Body condition score positively influence plasma leptin concentrations in criollo goats . Journal of Animal Veterinary Advances , 7 : 1237 – 1240 .
   Web of Science ®Google Scholar
• Gelez , H and Fabre-Nys , C . 2004 . The “male effect” in sheep and goats: a review of the respective roles of the two olfactory systems . Hormone and Behaviour , 46 : 257 – 271 .
   PubMed Web of Science ®Google Scholar
• Guerra-García , M , Meza-Herrera , CA , Sanchez-Torres-Esqueda , MT , Gallegos-Sanchez , J , Torres-Hernandez , G and Pro-Martinez , A . 2009 . IGF-1 and ovarian activity of goats in divergent body condition and supplemented with non-degradable ruminal protein . Agrociencia , 43 : 241 – 247 .
   Web of Science ®Google Scholar
• Henniawati , H , Restall , BJ and Scaramuzzi , RJ . 1995 . Effect of season on LH secretion in ovariectomized Australian cashmere does . Journal Reproduction and Fertility , 103 : 349 – 356 .
   PubMedGoogle Scholar
• Hoefler , WC and Hallford , DM . 1987 . Influence of suckling status and type of birth on serum hormone profiles and return to estrus in early-postpartum, spring-lambing ewes . Theriogenology , 27 : 887 – 895 .
   Web of Science ®Google Scholar
• Karsch , FJ , Bittman , EL , Foster , DL , Goodman , RL , Legan , SJ and Robinson , JE . 1984 . Neuroendocrine basis of seasonal reproduction . Recent Progress in Hormone Research , 40 : 185 – 232 .
   PubMedGoogle Scholar
• Malpaux , B , Viguié , C , Skinner , DC , Thiéry , JC and Chemineau , P . 1997 . Control of the circannual rhythm of reproduction by melatonin in the ewe . Brain Research Bulletine , 44 : 431 – 438 .
   PubMed Web of Science ®Google Scholar
• Martin , G , Oldman , C , Cognie , Y and Pearce , D . 1986 . The physiological responses of anovulatory ewes to the introduction of rams . Review Livestock Production Science , 15 : 219 – 247 .
   Web of Science ®Google Scholar
• Mellado , M , Olivas , R and Ruiz , F . 2000 . Effect of buck stimulus on mature and pre-pubertal norgestomet-treated goats . Small Rumenia Research , 36 : 269 – 274 .
   PubMed Web of Science ®Google Scholar
• Merriam GR , Watcher KW . 1982 . Algorithms for the study of episodic hormone secretion . American Journal of Physiology 243 : E310 – E318 .
   PubMed Web of Science ®Google Scholar
• Meza-Herrera , CA , Bocanegra , JA , Bañuelos , R , Aréchiga , CF , Rincón , RM , Ochoa-Cordero , MA , Juárez-Reyes , AS , Cerrillo-Soto , MA and Salinas , H . 2007a . Circannual fluctuations in serum cortisol and glucose concentrations and hair coat growth in goats . Journal of Applied Animal Research , 31 : 79 – 82 .
   Web of Science ®Google Scholar
• Meza-Herrera CA , Gonzalez-Bulnes A , Kridli R , Mellado M , Arechiga-Flores CF , Salinas H , Luginbhul JM 2010b . Neuroendocrine, metabolic and genomic cues signaling the onset of puberty in females . Reproduction in Domestic Animals . doi: 10.1111/j.1439-0531.2009.01355.x
   PubMed Web of Science ®Google Scholar
• Meza-Herrera , CA , Hallford , DM , Ortiz , JA , Cuevas , RA , Sanchez , JM , Salinas , H , Mellado , M and Gonzalez-Bulnes , A . 2008 . Body condition and protein supplementation positively affect periovulatory ovarian activity by non-LH mediated pathways in goats . Animal Reproduction Science , 106 : 412 – 420 .
   PubMed Web of Science ®Google Scholar
• Meza-Herrera , CA , Martínez , L , Aréchiga , C , Bañuelos , R , Rincón , RM , Urrutia , J , Salinas , H and Mellado , M . 2006 . Circannual identification and quantification of constitutive heat shock proteins (HSP 70) in goats . Journal of Applied Animal Research , 29 : 9 – 12 .
   Web of Science ®Google Scholar
• Meza-Herrera , CA , Ross , T , Hallford , DM , Hawkins , D and Gonzalez-Bulnes , A . 2007b . Effects of body condition and protein supplementation on LH secretion and luteal function in sheep . Reproduction in Domestic Animals , 42 : 461 – 465 .
   PubMed Web of Science ®Google Scholar
• Meza-Herrera , CA , Sanchez , JM , Chavez-Perches , JG , Salinas , H and Mellado , M . 2004 . Protein supplementation, body condition and ovarian activity in goats. Preovulatory serum profile of insulin . South African Journal of Animal Science , 34 ( Suppl. 1 ) : 223 – 226 .
   Google Scholar
• Meza-Herrera , CA , Veliz-Deras , FG , Wurzinger , M , Lopez-Ariza , B , Arellano-Rodriguez , G and Rodriguez-Martinez , R . 2010a . The kiss-1-kisspeptin-gpr54 complex: a critical modulator of GnRH neurones during pubertal activation . Journal of Applied Biomedical , 8 : 1 – 9 .
   Web of Science ®Google Scholar
• Pellicer-Rubio , MT , Leboeuf , B , Bernelas , D , Forgerit , Y , Pougnard , JL , Bonné , JL , Senty , E and Chemineau , P . 2007 . Highly synchronous and fertile reproductive activity induced by the male effect during deep anoestrus in lactating goats subjected to treatment with artificially long days followed by a natural photoperiod . Animal Reproduction Science , 98 : 241 – 258 .
   PubMed Web of Science ®Google Scholar
• Restall BJ 1992 . The male effect in goats . Wilson RT , Bourza TD . V International Conference on Goats . New Delhi, , India
   Google Scholar
• Rincón RM , Aréchiga CF , Escobar FJ , Silva JM , Aguilera-Soto JI , Lopez-Carlos MA , Rodríguez H , Meza-Herrera CA , Valencia J . 2011 . The male effect stimulus positively affected hypothalamic and ovarian function in Criollo goats irrespective of photoperiodic regime . Journal of Forestry and Environmental Science (in press)
   Google Scholar
• Rivas-Muñoz , R , Fitz-Rodríguez , G , Poindron , P , Malpaux , B and Delgadillo , JA . 2007 . Stimulation of estrous behaviour in grazing female goats by continuous or discontinuous exposure to males . Journal of Animal Science , 85 : 1257 – 1263 .
   PubMed Web of Science ®Google Scholar
• SAS , 2000 . SAS/STAT^® User's Guide (8.1 Edition) . SAS Inst. Inc. Cary, NC, , USA
   Google Scholar
• Scaramuzzi , RJ , Campbell , BK , Downing , JA , Kendall , NR , Khalid , M , Muñoz-Gutierrez , M and Somchit , A . 2006 . A review of the effects of supplementary nutrition in the ewe on the concentrations of reproductive and metabolic hormones and the mechanisms that regulate folliculogenesis and ovulation rate . Reproduction Nutrition Development , 46 : 339 – 354 .
   PubMedGoogle Scholar
• Scaramuzzi , RJ and Martin , GB . 2008 . The importance of interactions among nutrition, seasonality and socio-sexual factors in the development of hormone-free methods for controlling fertility . Reproduction in Domestic Animals , 43 : 129 – 136 .
   PubMed Web of Science ®Google Scholar
• Ungerfeld , R , Forsberg , M and Rubianes , E . 2004 . Overview of the response of anoestrous ewes to the ram effect . Reproduction Fertility Development , 16 : 479 – 490 .
   PubMed Web of Science ®Google Scholar
• Urrutia-Morales , J , Meza-Herrera , CA , Escobar-Medina , FJ , Gamez-Vazquez , HG , Ramírez-Andrade , BM , Diaz-Gomez , MO and Gonzalez-Bulnes , A . 2009 . Relative roles of photoperiodic and nutritional cues in modulating ovarian activity in goats . Reproduction Biology , 9 : 283 – 294 .
   PubMed Web of Science ®Google Scholar
• Valencia , J , González , JL and Díaz , J . 1986 . Actividad reproductiva de la cabra criolla en México en el examen postmortem del aparato genital . Veterinary México , 17 : 177 – 189 .
   Google Scholar
• Valencia , J , Zarco , L , Ducoing , A , Murcia , C and Navarro , H . 1990 . “ Breeding season of criollo and granadina goats under constant nutritional levels in the Mexican highlands ” . In International Atomic Energy Agency, Livestock Reproduction in Latin America , 321 – 333 . Viena : International Atomic Energy Agency .
   Google Scholar
• Véliz , FG , Moreno , S , Duarte , G , Vielma , J , Chemineau , P , Poindron , P , Malpaux , B and Delgadillo , JA . 2002 . Male effect in seasonally anovulatory lactating goats depends on the presence of sexually active bucks, but not estrous females . Animal Reproduction Science , 72 : 197 – 207 .
   PubMed Web of Science ®Google Scholar
• Véliz , FG , Poindron , P , Malpaux , B and Delgadillo , JA . 2006a . Maintaining contact with bucks does not induce refractoriness to the male effect in seasonally anestrous female goats . Animal Reproduction Science , 92 : 300 – 309 .
   PubMed Web of Science ®Google Scholar
• Véliz , FG , Poindron , P , Malpaux , B and Delgadillo , JA . 2006b . Positive correlation between the liveweight of anestrous goats and their response to the male effect with sexually active bucks . Reproduction Nutrition Development , 6 : 1 – 6 .
   Google Scholar
• Walkden-Brown , SW , Martin , GB and Restall , BJ . 1999 . Role of male-female interaction in regulating reproduction in sheep and goats . Journal of Reproduction Fertility Supplement , 52 : 243 – 257 .
   Google Scholar
• Zarazaga , LA , Gatica , MC , Celi , I , Guzman , JL and Malpaux , B . 2009 . Effect of melatonin implants on sexual activity in Mediterranean goat females without separation from males . Theriogenology , 72 : 910 – 918 .
   Google Scholar