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Dependence of sperm morphology and ejaculate characteristics on sperm concentration in the ejaculates of Hypor boars Cover

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Dependence of sperm morphology and ejaculate characteristics on sperm concentration in the ejaculates of Hypor boars

Journal of Veterinary Research

Volume 62 (2018): Issue 3 (September 2018)

By: Krzysztof Górski, Stanisław Kondracki, Anna Wysokińska and Maria Iwanina

Open Access

|Oct 2018

Figures & tables

Figures & Tables

Table 1

Morphometric characteristics of spermatozoa related to sperm concentration in ejaculate (means ±SD)

	Sperm concentration (×106/mL)
Variable	Low <390	Medium 390–490	High >490
Number of ejaculates (n)	44	39	37
Head length (μm)	9.17a ± 0.3	9.21a ± 0.36	9.45b ± 0.43
Head width (μm)	5.05 ± 0.3	4.94 ± 0.24	4.93 ± 0.3
Perimeter of the head (μm)	23.83a ± 1.1	23.63a ± 1.13	24.26b ± 1.05
Head area (μm²)	40.63a ± 3.82	40.27a ± 2.81	42.30b ± 2.98
Flagellum length (μm)	43.84 ± 0.98	43.48 ± 1.59	43.86 ± 1.23
Total length (μm)	52.96a b ± 1.19	52.76a ± 1.61	53.22b ± 1.45

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

Table 2

Morphometric indexes of spermatozoa related to sperm concentration in ejaculate (means ±SD)

	Sperm concentration (×106/mL)
Variable (%)	Low <390	Medium 390–490	High >490
Number of ejaculates (n)	44	39	37
Head width/head length	55.04b ± 2.34	53.61a ± 1.92	53.03a ± 3.13
Head length/total length	17.33a ± 0.52	17.47a b ± 0.75	17.76b ± 0.67
Head length/flagellum length	20.93a ± 0.7	21.21a b ± 1.13	21.58b ± 0.96
Perimeter of the head/total length	44.99 ± 1.8	44.81 ± 2.1	45.58 ± 1.31
Head area/total length	76.3a ± 6.63	76.35a ± 5.15	79.43b ± 4.35
Head length × width/total length	87.59 ± 6.93	86.35 ± 7.22	88.98 ± 6.67
Flagellum length/total length	82.77 ± 0.72	82.41 ± 0.98	82.34 ± 0.8

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

Table 3

Frequency of occurrence of morphologically changed spermatozoa related to the sperm concentration in ejaculate (means ±SD)

	Sperm concentration (× 106/mL)
Variable (%)	Low <390	Medium 390–490	High >490
Number of ejaculates (n)	44	39	37
Normal spermatozoa	94.61a ± 3.76	95.69a b ± 2.44	96.79b ± 2.95
Sperm with major abnormalities	1.98b ± 2.26	1.18a b ± 1.44	0.64a ± 0.78
Sperm with minor abnormalities	3.42 ± 2.35	3.13 ± 2.41	2.58 ± 2.56

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

Table 4

Basic characteristics of semen traits related to sperm concentration in ejaculate (means ±SD)

	Sperm concentration (×10⁶/mL)
Variable	Low <390	Medium 390–490	High >490
Number of ejaculates (n)	44	39	37
Sperm concentration (×106/mL)	314.38a ± 43.39	420.00b ± 28.67	553.64^c ± 47.89
Ejaculate volume (mL)	344.87^c ± 90.11	325.53b ± 59.85	287.05a ± 56.47
Total number of spermatozoa (×109)	118.34 ± 20.98	109.50 ± 20.89	98.49 ± 23.97
Percentage of spermatozoa with normal motility (%)	78.21 ± 3.89	78.68 ± 3.43	77.95 ± 4.08
Number of insemination doses per ejaculate	28.67a ± 9.26	34.63b ± 6.59	40.25^c ± 7.69

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

a Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

b Differences between average values, represented by different letters in the same row, are significant (P ≤ 0.05)

Articles in this issue

DOI: https://doi.org/10.2478/jvetres-2018-0050 | Journal eISSN: 2450-8608 (formerly 2300-3235)

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Language: English

Page range: 353 - 357

Submitted on: Mar 21, 2018

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Accepted on: Aug 24, 2018

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Published on: Oct 23, 2018

Published by: National Veterinary Research Institute in Pulawy

In partnership with: Paradigm Publishing Services

Keywords:

sperm concentration,

sperm morphology

Related subjects:

Molecular biology,

Microbiology and virology,

Life sciences, other,

Veterinary medicine

© 2018 Krzysztof Górski, Stanisław Kondracki, Anna Wysokińska, Maria Iwanina, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 62 (2018): Issue 3 (September 2018)

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