References

Blanchard, T., D. Varner, C. Love, S. Brinsko, S. Rigby and J. Schumacher, 2002. Manual of Equine Reproduction. 2nd Edn., Mosby, Missouri, USA., ISBN: 9780323017138, Pages: 272.

Burkholder, W.J., 2000. Use of body condition scores in clinical assessment of the provision of optimal nutrition. J. Am. Vet. Med. Assoc., 217: 650-654.
PubMed  |  

Cavinder, C.A., J.L. Zoller, G. Briers and D.H. Sigler, 2010. Sexual behavior and blood hormone profiles around the time of ejaculation and subsequent sperm characteristics in stallions. Prof. Anim. Sci., 26: 540-546.
CrossRef  |  Direct Link  |  

Crowell-Davis, S.L., 2007. Sexual behavior of mares. Hormones Behav., 52: 12-17.
CrossRef  |  PubMed  |  Direct Link  |  

Gentry, L.R., D.L. Thompson Jr, G.T. Gentry Jr, R.P.D. Vecchio, K.A. Davis and P.M.D. Vecchio, 2004. The relationship between body condition score and ultrasonic fat measurements in mares of high versus low body condition. J. Equine Vet. Sci., 24: 198-203.
CrossRef  |  Direct Link  |  

Guillaume, D., C. Moussu, F.D. Geoffroy, D. Chesneau and M. Keller, 2018. Olfactory stimulation or inhibition of sexual behavior of stallions in non-breeding season. Physiol. Behav., 186: 1-9.
PubMed  |  Direct Link  |  

Henneke, D.R., G.D. Potter, J.L. Kreider and B.F. Yeates, 1983. Relationship between condition score, physical measurements and body fat percentage in mares. Equine Vet. J., 15: 371-372.
CrossRef  |  PubMed  |  Direct Link  |  

Jezierski, T., Z. Jaworski, M. Sobczynska, J. Ensminger and A. Gorecka-Bruzda, 2018. Do olfactory behaviour and marking responses of Konik polski stallions to faeces from conspecifics of either sex differ?. Behav. Processes, 155: 38-42.
CrossRef  |  PubMed  |  Direct Link  |  

Lindsay, F.E. and F.L. Burton, 1983. Observational study of "urine testing" in the horse and donkey stallion. Equine. Vet. J., 315: 330-336.
Direct Link  |  

Mantovani, R. and L. Bailoni, 2011. Energy and protein allowances and requirements in stallions during the breeding season, comparing different nutritional systems. J. Anim. Sci., 89: 2113-2122.
PubMed  |  Direct Link  |  

McDonnell, S., 1986. Reproductive behavior of the stallion. Vet. Clin. North Am. Equine Pract., 2: 535-555.
CrossRef  |  PubMed  |  Direct Link  |  

McDonnell, S.M. and S.C. Murray, 1995. Bachelor and harem stallion behavior and endocrinology. Biol. Reprod., 1: 577-590.
Direct Link  |  

McDonnell, S.M., 1992. Normal and abnormal sexual behavior. Vet. Clin. North Am. Equine Pract., 8: 71-89.
CrossRef  |  PubMed  |  Direct Link  |  

McDonnell, S.M., 2000. Reproductive behavior of stallions and mares: Comparison of free-running and domestic in-hand breeding. Anim. Reprod. Sci., 60: 211-219.
CrossRef  |  PubMed  |  Direct Link  |  

McDonnell, S.M., 2016. Revisiting clinical stallion sexual behavior: Applying ethology in the breeding shed. J. Equine Vet. Sci., 43: S18-S22.
CrossRef  |  Direct Link  |  

Najjar, A., B. Benaoun, M. Ezzaouia, A.B. Maatoug, M. Magistrini and M.B. Mrad, 2010. Determination of semen and sexual behavir parameters of Arabian stallions to be selected for an Artificial Insemination program under Tunisian conditions. Am. Eurasian J. Agric. Environ. Sci., 8: 173-177.
Direct Link  |  

Noue, P., J. Bernabe, O. Rampin, M. Vidament, T. Dumas, E. Palmer and M. Magistrini, 2001. Sexual behavior of stallions during in-hand natural service and semen collection: An observation in French studs. Anim. Reprod. Sci., 68: 161-169.
CrossRef  |  PubMed  |  Direct Link  |  

Perkins, B.L., R.D. Smith and C.J. Sniffen, 1985. Body condition scoring: A useful tool for dairy herd management. Cornell Cooperative Extension Dairy Management Fact Sheet, Ithaca, Cornell University, Ithaca, New York, USA.

Pickett, B.W., J.J. Sullivan and G.E. Seidel, 1975. Reproductive physiology of the stallion. V. Effect of frequency of ejaculation on seminal characteristics and spermatozoal output. J. Anim. Sci., 40: 917-923.
CrossRef  |  PubMed  |  Direct Link  |  

Rua, M.A.S., C.R. Quirino, R. Bastos, A.B. Junior and P.N. Santoro et al., 2015. Evaluation of the sexual behavior and testosterone concentrations of Mangalarga Marchador stallions. Applied Anim. Behav. Sci., 171: 101-107.
CrossRef  |  Direct Link  |  

Salazar-Ortiz, J., S. Camous, C. Briant, L. Lardic, D. Chesneau and D. Guillaume, 2011. Effects of nutritional cues on the duration of the winter anovulatory phase and on associated hormone levels in adult female Welsh pony horses (Equus caballus). Reprod. Biol. Endocrinol., Vol. 9, 10.1186/1477-7827-9-130

Saslow, C.A., 2002. Understanding the perceptual world of horses. Applied Anim. Behav. Sci., 78: 209-224.
CrossRef  |  Direct Link  |  

Sieme, H., T. Katila and E. Klug, 2004. Effect of semen collection practices on sperm characteristics before and after storage and on fertility of stallions. Theriogenology, 61: 769-784.
CrossRef  |  PubMed  |  Direct Link  |  

Stahlbaum, C.C. and K.A. Houpt, 1989. The role of the flehmen response in the behavioral repertoire of the stallion. Physiol. Behav., 45: 1207-1214.
CrossRef  |  Direct Link  |