Effect of depletion tests (DT) on the composition of boar semen

We conducted two depletion tests during the summer (DT 1) and winter (DT 2) to study their effect on selected biochemical parameters of boar semen We subjected three boars to DT for 10 consecutive days. The first 3 days (Period 1) of ejaculate collections represented the reserves of the extragonadal...

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Bibliographic Details
Published in:Theriogenology 2000-10, Vol.54 (6), p.949-963
Main Authors: Strzeżek, J., Fraser, L., Demianowicz, W., Kordan, W., Wysocki, P., Hołlody, D.
Format: Article
Language:English
Subjects:
Acid Phosphatase - analysis
Acrosome - physiology
Alkaline Phosphatase - analysis
Animals
Aspartate Aminotransferases - analysis
biochemical parameters
Bisbenzimidazole - chemistry
Citric Acid - analysis
Coloring Agents - chemistry
Dactinomycin - pharmacology
depletion test
Ejaculation - physiology
ejaculation frequency
Fructose - analysis
Male
Microscopy, Fluorescence - veterinary
Peroxidase - chemistry
Protein Synthesis Inhibitors - pharmacology
Semen - chemistry
Semen - physiology
Sperm Motility - physiology
Spermatozoa - cytology
Spermatozoa - physiology
Swine - physiology
Thiobarbituric Acid Reactive Substances - analysis
Trypsin - chemistry
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Summary:We conducted two depletion tests during the summer (DT 1) and winter (DT 2) to study their effect on selected biochemical parameters of boar semen We subjected three boars to DT for 10 consecutive days. The first 3 days (Period 1) of ejaculate collections represented the reserves of the extragonadal spermatozoa and accessory sex gland secretions, whereas the other seven days (Period 2) represented the daily spermatozoa output and the secretory capacity of the accessory sex glands. We observed noticeable changes in the quantity and quality of the semen in DT 1 and 2. There was an increase in the number of spermatozoa with morphological defects, particularly coiled tails and detached acrosomes. The secretory activity of the accessory sex glands, particularly the vesicular glands, was slightly influenced by season Depletion tests caused disturbances in the qualitative relations of secretions of the accessory sex glands, which were related to changes in the sperm plasmalemma integrity. These tests can be used to determine the total spermatozoa output, and to assess the secretory capacity of the accessory sex glands of boars.
ISSN:0093-691X
1879-3231
DOI:10.1016/S0093-691X(00)00404-0