The Boar Reproductive System

Bonet, Sergi; Garcia, E; Sepúlveda, Lilian

doi:10.1007/978-3-642-35049-8_3

Cited by 13 publications

(14 citation statements)

References 102 publications

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“…After reaching the age of 3 years, the numbers of spermatozoa in ejaculate recorded a decrease to 101.71 bn in the case of total number of spermatozoa and 66.81 bn in the case of corrected number of spermatozoa (p < 0.05). Many authors have stated that quality of boar semen increased with age (Bonet et al, 2013;Kumaresan et al, 2011;Tsakmakidis et al, 2012), which is confirmed in this work, but only up to 3 years of age. According to Bonet et al (2013), Zduńczyk et al (2011) and Araujo and Wittert (2011), the production of spermatozoa depends on the testosterone level, which varies during testicular development, puberty and sexual maturity.…”

Section: Resultssupporting

confidence: 71%

“…These results correspond to the statement of Kennedy and Wilkins (1984), who claim, that the maximum semen volume can be obtained from boars aged 24 to 29 months. Bonet et al (2013) reported that the semen volume in boars increased with age, while the highest semen volumes were collected from boars older than 3.5 years, which does not correspond to the results of this work.…”

Section: Resultscontrasting

confidence: 51%

See 1 more Smart Citation

Production and Quality of Semen in Boars in Insemination Centre

Kamanová

Hadaš

Nevrkla

2017

Acta Univ. Agric. Silvic. Mendelianae Brun.

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The aim of this study was to analyze production and quality of semen in boars in an insemination centre. Experimental material consisted of 8,052 semen samples collected from 146 boars. During the period of 5 years, an analysis of semen parameters was conducted. The obtained data were divided according to age of boars at the time of semen collection. Results showed that boars between 8 months and 3 years of age reached higher levels of semen volume, percentage of abnormal spermatozoa and number of spermatozoa. Older boars had lower sperm concentration levels. The largest total number of spermatozoa and corrected number of spermatozoa were observed in boars between 13 and 36 months of age. Later, the production of spermatozoa decreased. Based on the results of the presented study, the age category of 13 -36 months can be recommended to dominate in the herd of boars in the insemination centre.

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Section: Resultssupporting

confidence: 71%

Section: Resultscontrasting

confidence: 51%

Production and Quality of Semen in Boars in Insemination Centre

Kamanová

Hadaš

Nevrkla

2017

Acta Univ. Agric. Silvic. Mendelianae Brun.

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“…En el eyaculado de cerdo, las secreciones de los testículos y el epidídimo representan 2-4% del volumen del eyaculado, las de las vesículas seminales, 14-20%, la contribución de las glándulas bulbouretrales es 10-25%, y las de la próstata 55-70% (BONET et al, 2013).…”

Section: Incidencia Del Se Y Zn Sobre Las Características Seminales Dunclassified

“…El zinc también estimula la función prostática, entre el 55-70% del volumen del eyaculado es aportado por esta glándula (BONET et al, 2013). Esta glándula es la fuente primaria de Zn en el semen y en ella se encuentran las mayores concentraciones de Zn del organismo.…”

Section: Incidencia Del Se Y Zn Sobre Las Características Seminales Dunclassified

Efecto de la suplementación con zinc y selenio sobre la calidad seminal en cerdos

Caraballo

Carrillo-González

2016

Rev Colombiana Cienc Anim. RECIA

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El sistema de producción porcina en Colombia, ha tenido un gran crecimiento en los últimos años, gracias a la implementación de técnicas como la inseminación artificial, la cual permite realizar un mejoramiento genético incrementando la productividad. Sin embargo, el modelo de manejo de los reproductores y donantes de semen no es el adecuado, siendo mantenidos en confinamiento, alimentados con dietas que no suplen los requerimientos de micronutrientes (Zn y Se) alterando la calidad seminal. Por lo anterior, se han propuesto modelos de suplementación con microminerales, tales como el Zinc y el Selenio. En el presente artículo se recopila, relaciona y discute, los diferentes efectos de la suplementación con estos microminerales, sobre los distintos mecanismos fisiológico-moleculares que afectan las principales características seminales del cerdo.

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“…During ejaculation, spermatozoa leave the cauda epididymis and go through the vas deferens, urethra, and penis, where the secretions of these glands play a main role in the chemical composition and ejaculated semen volume [5]. Sperm quality is highly determined by the concentration of seminal ions and proteins, which are secreted from rete testis, epididymis, and accessory sex glands [6,7]. Therefore, it is important to elucidate the impact of high environmental temperatures on the seminal ions and proteins before identifying heat stress-induced poor semen quality.…”

Section: Introductionmentioning

confidence: 99%