1943
DOI: 10.3382/ps.0220361
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The Influence of Season on Semen Production in the Domestic Fowl

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1963
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Cited by 75 publications
(27 citation statements)
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“…Before AI diluted semen of each group was examined for sperm motility at different storage period (0, 24 and 48 h). It was determined under low magnification (10X) of light microscope with cover slip and scored as described by Wheeler and Andrews (1943). For artificial insemination, vaginal eversion was made by gentle pressure on left side of the abdomen through the cloaca (Quinn and Burrows, 1936).…”
Section: Methodsmentioning
confidence: 99%
“…Before AI diluted semen of each group was examined for sperm motility at different storage period (0, 24 and 48 h). It was determined under low magnification (10X) of light microscope with cover slip and scored as described by Wheeler and Andrews (1943). For artificial insemination, vaginal eversion was made by gentle pressure on left side of the abdomen through the cloaca (Quinn and Burrows, 1936).…”
Section: Methodsmentioning
confidence: 99%
“…Motility was evaluated by observing sperm in several areas of the petri dish directly using a stereomicroscope, and motility qualitative scores were assigned using an arbitrary grading system from 0 to 4, with a score of 0 indicating no movement, 1 indicating tail movements, but not sperm progression, 2 indicating that a large percentage of spermatozoa showed progressive, but not rectilinear, movement, 3 indicating that a large percentage of spermatozoa showed rectilinear, but not vigorous, movement and 4 indicating that a large percentage of spermatozoa showed vigorous rectilinear movement (Wheeler and Andrews, 1943). The sperm motility analysis was performed by one examiner in order to avoid changes due to subjectivity. ]…”
Section: Sperm Motility Analysismentioning
confidence: 99%
“…breeds were not much affected by the hot summer stresses (Figure 2). The findings of Kamar and Badreldin (1959) showed a beneficial influence of high environmental temperature upon semen production of Egyptian Fayoumi cocks; Wheeler and Andrews (1943) working in Missouri, U.S.A. with Barred Plymouth Rock cocks reported and Bonadonna and Pozzi (1959), who reported no effect of environmental temperature upon the semen volume in cocks.…”
Section: Seasonal Variations In Semen Production Of Different Breeds mentioning
confidence: 83%
“…Seasonal variations in the semen production of Barred Plymouth Rock cocks in Missouri, U.S.A. were demonstrated by Wheeler and Andrews (1943); maximum and minimum semen volumes were obtained in April-May and September respectively and spermatozoan concentration was highest during the summer. Polge (1951), working in England, found that the semen volume of White Leghorns reached its peak during NovemberDecember and declined sharply in August; spermatozoan concentration was highest in March and decreased gradually until September.…”
mentioning
confidence: 97%