Individual variation related to testicular biometry and semen characteristics in collared peccaries (Tayassu Tajacu Linnaeus, 1758)

Peixoto, Gislayne Christianne Xavier; Silva, M.A.; Castelo, T.S.; Silva, A.M.; Bezerra, José Artur Brilhante; Souza, Ana Liza Paz; Oliveira, Moacir Franco de

doi:10.1016/j.anireprosci.2012.08.026

Cited by 22 publications

(21 citation statements)

References 29 publications

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“…Finalmente, faz-se necessário ressaltar que, no tocante às demais características espermáticas, todas estavam dentro da normalidade para a espécie, conforme parâmetros de referência estabelecidos em animais coletados por eletroejaculação, relatados por PEIXOTO et al, (2012).…”

Section: Discussionunclassified

“…Uma pequena alíquota (10μl) foi colocada na câmara de contagem celular de Neubauer até o seu completo preenchimento (PEIXOTO et al, 2012), sendo posteriormente avaliada sob microscopia de luz (400x).…”

Section: Avaliação Do Sêmenunclassified

“…Diferentes formas de se dete rminar a CE nos ejaculados já foram descritas. As câmaras de contagem celular, cujo coefi ciente de variação é em torno de 10% (SOKOL et al, 2000), têm sido comumente aplicadas à avaliação do sêmen suín o (MAES et al, 2010), espécie mais fi logeneticamente próxima aos catetos (THEIMER & KEIM, 1998), para os quais o método tem sido adaptado (KAHWAGE et al, 2010;PEIXOTO et al, 2012).…”

Section: Introductionunclassified

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Relações entre a câmara de Neubauer a espectrofotometria utilizadas para a determinação da concentração espermática de catetos (Pecari tajacu)

et al. 2014

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Section: Discussionunclassified

Section: Avaliação Do Sêmenunclassified

Section: Introductionunclassified

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Relações entre a câmara de Neubauer a espectrofotometria utilizadas para a determinação da concentração espermática de catetos (Pecari tajacu)

et al. 2014

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“…It is thus hypothesized that there are marked differences related to the sperm structure and function between domestic swine and peccaries. Besides this, an individual variation related to semen parameters among different peccaries and also among different ejaculates from the same individual was recently reported (Peixoto et al, 2012), which could also influence the HOS test results. In spite of this, the lowest variation in results was detected in the use of distilled water.…”

mentioning

confidence: 94%

Establishing the hypoosmotic swelling test for sperm analysis in collared peccaries (Pecari tajacu)

Santos

Sousa

Peixoto

et al. 2013

Arq. Bras. Med. Vet. Zootec.

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“…Recently, Peixoto et al. () studied the relationship between testicular biometry and semen characteristics in peccaries by evaluating biometric data determined by ultrasound through Lambert's formula. However, the efficiency of the method and formula applied has not been demonstrated for the species.…”

Section: Introductionmentioning

confidence: 99%

Use of Non‐invasive Methods for Evaluating the Testicular Biometry in Collared Peccaries (Pecari tajacu Linnaeus, 1758)

Peixoto

Silva

Lima

et al. 2015

Anat Histol Embryol

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The aim of this study was to compare the accuracy of two methods used to estimate testicular volume in the collared peccary. Calliper and ultrasonographic measurements of testicular dimensions (length, width and height) of both testes were taken on five adult collared peccaries. The testicular volume was calculated by Lambert's empiric formula: length (L) × width (W) × height (H) × 0.71, the formula of an ellipsoid L × W × H × 0.52, and Hansen's formula: L × W(2) × 0.52. The calculated volumes were then compared with the actual ones, which were estimated by water displacement. The mean of true testicular volume was 22.65 ± 1.52 ml. Lambert's formula estimated testicular volume more accurately when ultrasound measurements were taken. However, when the calliper was the methodology used, the results were closest to the true volume, especially when Ellipsoid formula and Hansen's formula were applied, and underestimated the true volumes by 1.53 ± 1.75 ml and 1.53 ± 1.65 ml, respectively. This specific application of technologies in wild animals has the potential to revolutionize the selection process for the collared peccary entering artificial insemination or natural breeding programmes.

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Individual variation related to testicular biometry and semen characteristics in collared peccaries (Tayassu Tajacu Linnaeus, 1758)

Cited by 22 publications

References 29 publications

Relações entre a câmara de Neubauer a espectrofotometria utilizadas para a determinação da concentração espermática de catetos (Pecari tajacu)

Relações entre a câmara de Neubauer a espectrofotometria utilizadas para a determinação da concentração espermática de catetos (Pecari tajacu)

Establishing the hypoosmotic swelling test for sperm analysis in collared peccaries (Pecari tajacu)

Use of Non‐invasive Methods for Evaluating the Testicular Biometry in Collared Peccaries (Pecari tajacu Linnaeus, 1758)

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