Effect of Season on Boar Sperm Morphology

Lipenský, J; Lustyková, A; Čeřovský, J.

doi:10.5513/jcea01/11.4.866

Cited by 7 publications

(4 citation statements)

References 5 publications

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“…Por otra parte, la motilidad, es considerada como uno de los parámetros más importantes a medir en los espermatozoides (Kunowska-slósarz y Makowska, 2011), y que en conjunto con la morfología son indicadores sensibles del estrés por calor (Lipenský et al, 2010). En este sentido, se coincide con Fuentes et al (1992) y con Savic et al (2013), los cuales demuestran el efecto de la época sobre la motilidad espermática.…”

Section: Resultsunclassified

Características seminales de verracos alojados en ambiente controlado ubicado en trópico cálido

Calatayud-Márquez

Quintero-Moreno

2021

Rev. investig. vet. Perú

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El estudio tuvo como objetivo evaluar las características seminales de verracos alojados en un sistema de ambiente controlado en bosque seco tropical en una granja porcina comercial ubicada en el estado Zulia, Venezuela. Se analizaron 6154 evaluaciones seminales (volumen, espermatozoides totales, concentración, motilidad y número de dosis por eyaculado) de 95 verracos de la línea comercial Topigs®, desde septiembre de 2006 hasta julio de 2010. Los verracos se encontraban alojados en un sistema de ambiente controlado de confort higrotérmico (Chore.Time. 2529,676; modelo 8-B1.5). Se observaron valores promedios de 253.2 ± 57.0 ml para volumen seminal, 3.59 ± 0.2 de motilidad individual progresiva, 322.1x106 ± 98.2 espermatozoides/ml para la concentración espermática, 81.2x109 ± 26.1 espermatozoides totales por eyaculado y una producción de 27.0 ± 8.7 dosis seminales por cada eyaculado. Se obtuvo mejor producción seminal en enero y febrero y menores valores en noviembre y diciembre. Existe un efecto altamente significativo (p<0.001) del mes sobre todas las características seminales con excepción del volumen (p>0.05). El sistema de alojamiento de ambiente controlado no evita la notable variación de eyaculados dentro y entre los meses evaluados.

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Section: Resultsunclassified

Características seminales de verracos alojados en ambiente controlado ubicado en trópico cálido

Calatayud-Márquez

Quintero-Moreno

2021

Rev. investig. vet. Perú

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“…Sperm with distal protoplasmic droplets is understood the most frequently occurring morphological sperm abnormality (Lipenský et al, 2010). Čeřovský et al (2009) reported that after 56 days of L-carnitine supplementation was measured the lowest percentage of morphologically abnormal sperm (18.92 %) and the highest percentage in the control group by the end of the experiment (37.00 %).…”

Section: Discussionmentioning

confidence: 99%

Influence of L-Carnitine Daily Supplement on Qualitative and Quantitative Ejaculate Indicators in Boars During the Summer Period

Přibilová

Horký

Urbánková

et al. 2018

Acta Univ. Agric. Silvic. Mendelianae Brun.

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The purpose of the project was to determine impact of added L‑carnitine in feed ration on quality of Duroc boar ejaculate during the summer period (June–September). Temperature in the stable achieved up to 29.9 °C. For the experiment was chosen 24 Duroc boars. Boars were divided into 2 groups: The control group of boars (n = 12) was fed by the basic feed mixture only. The experimental group of boars (n = 12) was supplemented by 500 mg of L‑carnitine/kg of the feed ration. Ejaculate was collected once a week. Monitored parameters were: volume of ejaculate, concentration of sperm, total sperm count, motility of sperm and percentage of morphologically abnormal sperm. L‑carnitine concentration in the ejaculate was monitored as well. Results of the experiment show that supplementation of 500 g of L‑carnitine into boar ration had a positive impact on sperm motility, significant difference between the boar groups by 8.54 % (P < 0.05) and on decreased morphologically abnormal sperm, significant difference between groups by 12.6 % (P < 0.05), and also significant difference in experimental group during the monitoring by 4.06 % (P < 0.05). After biochemical analysis have been found a statistically significant increase in concentration of L‑carnitine in the ejaculate of the experimental group (up to 21.1 μg/ml) and a statistically significant difference between groups (22.0 μg/ml), (P < 0.05).

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“…Air temperature during the entire period of spermatogenesis is also vital, and this period may begin as early as 70 days before ejaculation [18] . KOWALEWSKI, KONDRACKI, GÓRSKI BAJENA, WYSOKIŃSKA Effect of Piggery Microclimate ... Motility and morphology of sperm are sensitive indicators of heat stress [19] . The extent of morphological changes in spermatozoa depends on the duration of heat impact and on the adaptability of males to the conditions of heat stress [20] .…”

Section: Discussionmentioning

confidence: 99%

Mikro Klima İklim Şartlarının Erkek Damızlık Domuzlardaki Ejekulasyon Kalitesine Etkileri

KOWALEWSKI¹,

Kondracki²,

Górski³

et al. 2015

Kafkas Univ Vet Fak Derg

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The study was carried out on 1913 ejaculates collected from 51 Landrace boars. The ejaculates were collected manually. The study included all ejaculates collected by one artificial insemination station over a span of 12 consecutive months. The ejaculates were subjected to the standard analysis which involved: ejaculate volume, sperm concentration, percentage of progressive motility spermatozoa, total number of spermatozoa, and number of artificial insemination doses per ejaculate. Temperature, relative air humidity, and atmospheric pressure in the piggery were monitored during the semen collections. The resulting data were grouped by air temperature, humidity and pressure, and analyzed. It has been found that the microclimate in the place of semen collection may affect the quality of the collected semen. This effect is varied; temperature, humidity and atmospheric pressure act differently in relation to the semen traits. Temperature and atmospheric pressure have an effect on sperm concentration. Ejaculates with the highest sperm concentrations were collected at the lowest measured temperatures (10°C and lower) as well as with the lowest relative air humidity. Sperm motility revealed a strict and oriented relationship with both temperature and humidity, but also with atmospheric pressure. Semen collected at the lowest air humidity (50% and lower) and at the lowest observed atmospheric pressure (below 900 hPa) contained the most sperm. The highest number of artificial insemination doses are produced from ejaculates collected in such conditions. Keywords: Microclimate, Semen quality, Artificial insemination boars Mikro Klima İklim Şartlarının Erkek Damızlık Domuzlardaki Ejekulasyon Kalitesine Etkileri ÖzetAraştırma Landrace cinsi 51 erkek damızlık domuzdan alınan 1913 ejekulasyonda gerçekleştirilmiştir. Numuneler el yöntemiyle alınmıştır. Ejekulasyonlar sonraki 12 ay süresince uygulanacak yapay döllenme için tek bir domuz yetiştirme istasyonundan elde edilmiştir. Standart tahliller olan, semen hacmi, spermlerin konsantrasyonu, hareketli sperm sayısının oranı, toplam sperm sayısı ve yapay döllenmedeki doz sayısı analizleri yapılmıştır. Semen örneği alımı sırasında damızlık hayvanların bulundupu yerdeki atmosfer basıncı, havadaki nem ve sıcaklık durumu izlenmiştir. Elde edilen veriler, sıcaklık, nem ve hava basıncına göre gruplandırılmış vede tekrar analiz edilmiştir. Bu çalışmalar neticesinde damızlık hayvanların tutulduğu yerdeki mikro klima şartlarının semen kalitesine etkisi olabileceği görülmüştür. Sıcaklık, nem ve atmosfer basıncı sperm özelliklerine farklı biçimde etki etmektedir. Sıcaklık ve atmosfer basıncı spermlerin konsantrasyonunu doğrudan etkilemektedir. En yüksek sperm konsantrasyonu bulunan ejekulasyonlar, havaya göre en düşük nem ortamı vede en düşük sıcaklıkta (10°C ve aşağısı) elde edilmiştir. Sperm motilitesinin hava basıncı, nem ve sıcaklığa doğrudan bağlı olduğu ortaya çıkmıştır. En fazla sayıda sperm miktarı, en düşük nem oranlarında yani %50 ve daha azı ile 900 hPa hava basıncı şartlar...

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Effect of Season on Boar Sperm Morphology

Cited by 7 publications

References 5 publications

Características seminales de verracos alojados en ambiente controlado ubicado en trópico cálido

Características seminales de verracos alojados en ambiente controlado ubicado en trópico cálido

Influence of L-Carnitine Daily Supplement on Qualitative and Quantitative Ejaculate Indicators in Boars During the Summer Period

Mikro Klima İklim Şartlarının Erkek Damızlık Domuzlardaki Ejekulasyon Kalitesine Etkileri

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