Abstract
The interrelations between morphology, physiology, and behavior are inseparable, and together provide the key to the evolutionary success and failure of each species. Within this triad, experimentation and the complicity of nuances determine, and in turn are determined by, the evolutionary process. The capybara (Hydrochoerus hydrochaeris), like every other species, has undergone many adaptations throughout its evolutionary history. Thus, abiotic components and inter- and intra-specific relations have defined both the individual strategies and group behaviors necessary for its survival. Reproduction is certainly one of the most important aspects in determining evolution. In the capybara the morpho-functional and behavioral aspects involved are extremely rich and in some cases unique, especially considering the adaptations of males.
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References
Alho CJR (1989) Comportamento no habitat natural como fator limitante de criação e manejo de capivaras. In: de Animais E, Ades C (eds) Etologia de Animais e de homens. Edicon, São Paulo, pp 75–85
Amann RP (1970) Sperm production rates. In: Johnson AD, Gomes WR, Vandemark NL (eds) The testis. Academic, New York, pp 433–482
Amann RP (1981) A critical review of methods for evaluation of spermatogenesis from seminal characteristics. J Androl 2:37–58
Amann RP, Schandbacher BD (1983) Physiology of male reproduction. J Anim Sci 57(Suppl 2): 380–403
Amann RPL, Johnson DL, Thompson JR, Pickett BW (1976) Daily spermatozoal production, epididymal spermatozoal reserves and transit time of spermatozoa through the epididymis of the Rhesus monkey. Biol Reprod 15:586–592
Benirschke K, Brownhill LE, Beath MM (1962) Somatic chromosomes of the horse, the donkey and their hybrids, the mule and the hinny. J Reprod Fertil 4:319–326
Berg AK, Clausen OP, Huitfield HS (1990) The spermatogenic cycle in the blue fox (Alopex lagopus): relative frequency and absolute duration of the different stages. Int J Androl 13(4):315–326
Berndtson WE, Igboeli G, Pickett BW (1987) Relationship of absolute number of Sertoli cells to testicular size and spermatogenesis in young beef bulls. J Anim Sci 64:241–246
Bittencourt VL et al (2007) The seminiferous epithelium cycle and daily spermatic production in the adult maned wolf (Chrysocyon brachyurus, Illiger, 1811). Micron 38(6):584–589
Breed WG (1982) Morphological variation in the testes and accessory sex organs of Australian rodents in the genera Pesudomysand Notomys. J Reprod Fertil 66:607–613
Breed WG, Adams M (1992) Breeding systems of spinifex hopping mice (Notomys alexis) and plains rats (Pseudomys australis): a test for multiple paternity within the laboratory. Aust J Zool 40:13–20
Cardoso FM (1981) Morfologia, cinética e quantificação da espermatogênese em zebus (Bos indicus). Ph.D. thesis, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte
Castro ACS (1995) A proposed acrossomal system for identifying stages of the cycle of the seminiferous epithelium and a model for the kinetics of spermatogenesis in the rabbit. Ph.D. thesis, University of New Hampshire, Durham
Clark RC (1976) Three-dimensional organization of testicular interstitial tissue and lymphatic space in the rat. Anat Rec 184:203–226
Clermont Y (1972) Kinetics of spermatogenesis in mammals, seminiferous epithelium cycle and spermatogonial renewal. Physiol Rev 52(1):198–236
Clermont Y, Antar M (1973) Duration of the cycle of the seminiferous epithelium and the spermatogonial renewal in the monkey (Macaca arctoides). Am J Anat 136:153–166
Costa DS, Paula TAR (2006) Testosterone level, nasal gland volume and Leydig cell morphometry in capybaras (Hydrochoerus hydrochaeris). Arquivos Brasileiros de Medicina Veterinária e Zootecnia 58(6):1086–1091
Costa DS, Paula TAR, Matta SLP (2006) The intertubular compartment morphometry in capybaras (Hydrochoerus hydrochaeris) testis. Anim Reprod Sci 91:173–179
Costa DS, Menezes CMC, Paula TAR (2007) Spermatogenesis in White-lipped peccaries (Tayassu pecari). Anim Reprod Sci 98:322–334
de Rooij DG (1998) Stem cells in the testis. Int J Exp Pathol 79:67–80
Dyce KM, Sack WO, Wensing CJG (1996) Tratado de Anatomia Veterinária, 2ath edn. Editora Guanabara Koogan S.A, Rio de Janeiro
Ewing LL, Zirkin BR, Cochran RC, Kromann N, Peter C, Ruiz-Bravo N (1979) Testosterone secretion by rat, rabbit, guinea pig, dog and hamster testes perfused in vitro: correlation with Leydig cell mass. Endocrinology 105(5):1135–1142
Fawcett DW, Neaves WB, Flores MN (1973) Comparative observations on intertublar lymphatic and the organization of the interstitial tissue of the mammalian testis. Biol Reprod 9:500–532
França LR (1991) Análise morfofuncional da espermatogênese de suínos adultos da raça Piau. Ph.D. thesis, Universidade Federal de Minas Gerais, Belo Horizonte
França LR, Russell LD (1998) The testis of domestic animals. In: Regadera J, Martinez-Garcia F (eds) Male reproduction. A multidisciplinary overview. Churchill Livingstone, Madrid, pp 197–219
França LR, Ogawa T, Avarbock MR, Brinster RL, Russell LD (1998) Germ cell genotype controls cell cycle during spermatogenesis in the rat. Biol Reprod 59:1371–1377
França LR, Becker-Silva SC, Chiarini-Garcia H (1999) The length of the cycle of seminiferous epithelium in goats. Tissue Cell 31(3):274–280
Griswold MD (1995) Interaction between germ cells and Sertoli cells in the testis. Biol Reprod 52:211–216
Grocock CA, Clark JR (1976) Duration of spermatogenesis in the vole (Microtus agrestis) and the bank vole (Cleterionomys glareolus). J Reprod Fertil 47:133–135
Guião Leite FL, Paula TAR (2003) Intrinsic yield of spermatogenesis, Sertoli cell index and daily sperm production in cougar (Puma concolor). Revista Brasileira de Reprodução Animal 27(1):21
Hadley ME (1988) Endocrinology, 2nd edn. Prentice Hall, New Jersey
Hernández-Jáuregui P, Monter HM (1977) Fine structure of mule testes: light and electron microscopy study. Am J Vet Res 38(4):343–347
Herrera EA (1992) Size of testes and scent glands in capybaras (Hydrochoerus hydrochaeris Rodentia: Caviomorpha). J Mammal 73(4):871–975
Herrera EA, Macdonald DW (1993) Aggression, dominance and mating success among capybara males (Hydrochoerus hydrochaeris). Behav Ecol 4:114–119
Herrera EA, Macdonald DW (1994) Social significance of scent marking in capybaras. J Mammal 75(2):410–415
Hess RA et al (1997) A role for oestrogens in the male reproductive system. Nature 390(4):509–512
Huckins C (1978) The morphology and kinetics of spermatogonial degeneration in normal adult rats: an analysis using a simplified classification of the germinal epithelium. Anat Rec 190(4):905–926
Ibach B, Weissbach L, Hilscher B (1976) Stages of the cycle of the seminiferous epithelium in the dog. Andrologia 8(4):297–307
Jégou B, Le Gac F, Irby DC, de Krestser DM (1983) Studies on seminiferous tubule fluid production in the adult rat: effect of hypophysectomy and treatment with FSH, LH and testosterone. Int J Androl 6:249–260
kenagy GJ, Trombulak SC (1986) Size and function of mammalian testes in relation to body size. J Mammal 67(1):1–22
López M, Muñoz MG, Herrera EA (2008) Reproductive morphology of capybaras, Hydrochoerus hydrochaeris(Rodentia: Hystricognathi): no evidence for sperm competition ? Mamm Biol 73:241–244
Macdonald DW, Herrera EA (2012) Capybara scent glands and scent-marking behavior. In: Moreira JR, Ferraz KMPMB, Herrera EA, Macdonald DW (eds) Capybara: biology, use and conservation of an exceptional neotropical species. Springer, New York, pp 185–193
Macdonald DW, Krantz K, Aplin RT (1984) Behavioral, anatomical and chemical aspects of scent marking amongst capybaras, Hydrochoerus hydrochaeris(Rodentia: Caviomorpha). J Zool Lond 202:341–360
Mccool CJ (1989) The cycle of the seminiferous epithelium in bali cattle (Bos sondaicus). J Reprod Fertil 87:327–330
Means AR, Fakunding JL, Huckins C, Tindall DJ, Vitale R (1976) Follicle-stimulating hormone, the Sertoli cell and spermatogenesis. Recent Prog Horm Res 32:477–527
Mendis-Handagama SMLC, Ariyaratne S (2001) Differentiation of adult Leydig cell population in the postnatal testis. Biol Reprod 65:660–671
Moreira JR (1995) The reproduction, demography and management of capybaras (Hydrochaeris hydrochaeris) on Marajó Island- Brazil. D.Phil., thesis. University of Oxford, Oxford, UK
Moreira JR, Clarke JR, Macdonald DW (1997a) The testis of capybaras (Hydrochaeris hydrochaeris– Rodentia). J Mammal 78:1096–1100
Moreira JR, Macdonald DW, Clarke JR (1997b) Correlates of testis mass in capybaras (Hydrochoerus hydrochaeris): dominance assurance or sperm production? J Zool Lond 241:457–463
Mori H, Shimizu D, Takeda A, Takioka Y, Fikinishi R (1980) Stereologic analysis of Leydig cells in normal guinea pig testis. J Electron Microsc 29:8–21
Neaves WB, Johnson L (1985) Seminiferous tubules and daily sperm production (DSP) in older adult men with varied numbers of Leydig cells. Biol Reprod 32(Suppl):86
O’Donnel L, Robertson KM, Jones ME (2001) Estrogen and spermatogeneis. Endocrinol Rev 22:280–318
Ojasti J (1973) Estudio biológico del chigüire o capibara. Fondo Nacional de investigaciones agropecuarias, Caracas
Orgebin-Crist MC (1968) Gonadal and epididimal sperm reserves in the rabbit: estimation of the daily sperm production. J Reprod Fertil 15:15–25
Oud JL, de Rooij DG (1977) Spermatogenesis in the Chinese hamster. Anat Rec 187(1):113–124
Parreira GG (1990) Morfologia e variação sazonal da atividade dos testículos e órgãos genitais acessórios de Bolomys lasiurusLund, 1841 (Rodentia, Cricetidae). M.Sc., Dissertation, Universidade Federal de Minas Gerais. Belo Horizonte
Patil SB, Saidapur SK (1991) Kinetics of spermatogenesis in the wild squirrel Funambulus palmarum(Linnaeus). Acta Anat (Basel) 141(4):352–363
Paula TAR (1992) Estudo histológico quantitativo da atividade espermatogênica de cães s.r.d. em diferentes faixas etárias após a puberdade. M.Sc., dissertation, Universidade Federal de Minas Gerais. Belo Horizonte
Paula TAR (1999) Avaliação histológica e funcional do testículo de capivaras adultas (Hydrochoerus hydrochaeris). Ph.D. thesis, Universidade Federal de Minas Gerais. Belo Horizonte
Paula TAR, Matta SLP, Silva VA Jr, Costa DS, Fonseca CC, Neves MTD (2007) Intertubular space characterization in adult capybara (Hydrochoerus hydrochaeris) testis. Braz Arch Biol Technol 50(2):289–297
Queiroz GF, Nogueira JC (1992) Duration of the cycle of the seminiferous epithelium and quantitative histology of the testis of the South American white belly opossum (Didelphis albiventris), Marsupialia. Reprod Fertil 4:213–222
Robb GE, Amann RP, Killian GJ (1978) Daily sperm production and epididymal sperm reserves of pubertal and adult rats. J Reprod Fertil 54:103–107
Rocha DCM, Debeljuk L, França LR (1999) Exposure to constant light during testis development increases daily sperm production in adult Wistar rats. Tissue Cell 31(3):128–136
Roosen-Runge EC (1973) Germinal-cell loss in normal metazoan spermatogenesis. J Reprod Fertil 35:339–348
Roosen-Runge EC (1977) The process of spermatogenesis in animals. Cambridge University Press, Cambridge, UK
Roser JF (2000) Reproductive endocrinology of the stallion. In: Samper JC (ed) Equine breeding management and artificial insemination. Saunders Company, Philadelphia, pp 123–132
Russell LD (1996) Mammalian Leydig cell structure. In: Payne AH, Hardy MP, Russell LD (eds) The Leydig cell. Cache River Press, Vienna
Russell LD, Peterson RN (1984) Determination of the alongate spermatid-Sertoli cell ratio in various mammals. J Reprod Fertil 70:635–641
Russell LD, Ettlin RA, Sinha-Hikim AP, Clegg ED (1990a) Histological and histopathological evaluation of the testis. Cache River Press, Clearwater
Russell LD, Ren HP, Sinha-Hikim I, Schulze W, Sinha-Hikim AP (1990b) A comparative study in twelve mammalian species of volume densities, volumes and numerical densities of selected testis components, emphasizing those related to the Sertoli cell. Am J Anat 188(1):21–30
Russell LD, Chandrashekar V, Bartke A, Sinha-Hikim AP (1994) The hamster Sertoli cell in early testicular regression and early recrudescence: a stereological and endocrine study. Int J Androl 17(2):93–106
Schaller O (1999) Nomenclatura Anatômica Veterinária Ilustrada. Editora Manole Ltda, São Paulo
Schlatt S, Meinhardt A, Nieschlag E (1997) Paracrine regulation of cellular interactions in the testis: factors in search of a function. Eur J Endocrinol 137:107–117
Sharpe RM (1994) Regulation of spermatogenesis. In: Knobil E, Neil JD (eds) The physiology of reproduction, vol 2. Raven, New York, pp 1363–1434
Short RV (1997) The testis: the witness of the mating system, the site of mutation and the engine of desire. Acta Paediatr 422(Suppl):3–7
Sinha-Hikim AP, Chakraborty J, Jhunjhunwala JS (1985) Germ cell quantitation in human testicular biopsy. Urol Res 13:111–115
Sinha-Hikim AP, Bartke A, Russell LD (1988) Morphometric studies on hamster testes in gonadally active and inactive states: light microscope findings. Biol Reprod 39:1225–1237
Swerdloff RS, Lue Y, Wang C, Rajavashisth T, Sinha-Hikin A (1998) Hormonal regulation of germ cell apoptosis. In: Zirkin BR (ed) Germ cell development, division, disruption and death. Springer, New York
Swierstra EE, Pickett BW, Gebaure MR (1975) Spermatogenesis and duration of transit of spermatozoa through the excurrent ducts of stallions. J Reprod Fertil 23(Suppl):53–57
Wing TY, Christensen AK (1982) Morphometric studies on rat seminiferous tubule. Am J Anat 165:13–25
Woolley P (1975) The seminiferous tubules in dasyurid marsupials. J Reprod Fertil 45(2):255–261
Zirkin BR, Ewing LL (1987) Leydig cell differentiation during maturation of the rat testis: a stereological study of cell number and ultrastructure. Anat Rec 219:157–163
Zirkin BR, Ewing LL, Kromann N, Cochran RC (1980) Testosterone secretion by rat, rabbit, guinea pig, dog, and hamster testes perfused in vitro: correlation with Leydig cell ultrastructure. Endocrinology 107:1867–1874
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Paula, T.A.R., Walker, N.J. (2013). Reproductive Morphology and Physiology of the Male Capybara. In: Moreira, J., Ferraz, K., Herrera, E., Macdonald, D. (eds) Capybara. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4000-0_6
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