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Abstract

The following reviews were included in a volume published in honour of T. Bonadonna. The papers abstracted appear in the appropriate sections of ABA.Laing, J.A. Artificial insemination and the prevention of disease : 149-151.Macpherson, J.W. The protection of semen from contamination :...

Publisher
Bologna, Edizioni Agricole.,
Citation
Riproduzione animale e fecondazione artificiale., 1972, pp 331 pp.
Abstract

Author(s)
Sasaki, K.; Niwa, T.; Tanimura, I.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1981, No. 1, pp 1-12
Abstract

During freezing of semen in dry ice-alcohol or liquid nitrogen, 7 patterns of formation of ice crystals were observed, depending on freezing rate. These are illustrated in microphotographs.

Author(s)
Niwa, T.; Taguchi, K.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1981, No. 1, pp 21-35
Abstract

Bull semen was frozen using glycerol equilibration times of 0, 0.5, 2, 3, 4, 5 and 6 h. Sperm survival was best with equilibration times of 2 or 3 h, depending on the freezing method. [For Pt. II see pp. 42-51 of the same number of the journal].

Author(s)
Niwa, T.; Takeda, Y.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1981, No. 1, pp 36-41
Abstract

Semen samples were collected from Holstein-Friesian bulls following injection of 30 or 60 mg PGF. Compared with untreated controls, no difference in viability of spermatozoa or the frequency of acrosomal abnormalities in stored semen was detected. Significantly higher oxygen consumption by...

Author(s)
Niwa, T.; Hashizume, T.; Hanzawa, K.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1981, No. 2, pp 19-24
Abstract

Regression equations are given for estimating sperm concentration from spectrophotometer readings, and a table is given from which sperm concentration in diluted semen can be read off against spectrophotometer reading.

Author(s)
Niwa, T.; Hashizume, T.; Shibata, M.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1981, No. 2, pp 66-78
Abstract

Frozen boar semen stored in plastic straws, imported from Canada and the USA, was compared with that produced in Japan for sperm viability and acrosome abnormalities. The US and Canadian semen gave 63±5 and 73±3 pellets per straw resp., 0.12 and 0.13 ml semen per pellet, and 3210±90 × 106 and...

Author(s)
Niwa, T.; Hashizume, T.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1982, No. 3, pp 16-23
Abstract

Thiamine, caffeine, catalase and PGF were added to the thawing solution. Thiamine and catalase did not affect sperm survival compared with an unsupplemented control group, although the addition of Tris plus citric acid, with or without PGF, or caffeine sodium benzoate gave a slower loss of...

Author(s)
Niwa, T.; Hashizume, T.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1982, No. 3, pp 9-15
Abstract

Semen from 6 Landrace boars was frozen in pellets, and was compared with semen collected from 3 Large White and 3 Landrace boars, diluted with a skim milk-glucose extender, and stored unfrozen. Sperm motility was low immediately after thawing, rose to peak levels 30-60 min. later, and then...

Author(s)
Niwa, T.; Hashizume, T.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1982, No. 3, pp 1-8
Abstract

A semen extender (ID-2) containing N-tris (hydroxymethyl) methyl-2-aminoethane sulphonic acid 1.2 g, anhydrous dextrose 3.2 g, tris hydroxymethyl aminomethane 0.36 g, citric acid 0.076 g, sodium lauryl sulphate 40 mg, caffeine sodium benzoate 8 mg, amikacin sulphate 4 mg dibakacin sulphate 4 mg and ...

Author(s)
Niwa, T.; Hashizume, T.
Citation
Bulletin of the Laboratory of Artificial Insemination, Iwate University, 1982, No. 3, pp 31-38

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