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Biology Articles » Cryobiology » Effect of antifreeze proteins on the motility of ram spermatozoa

Effect of antifreeze proteins on the motility of ram spermatozoa

Payne SR, Oliver JE, Upreti GC

Meat Industry Research Institute of New Zealand, Hamilton.

The effect of the antifreeze peptide type I (AFP) from Winter flounder, Pseudopleuronectes americanus, and the antifreeze glycoprotein (AFGP) from Antarctic cod, Dissostichus mawsoni, was assessed on the motility of ram spermatozoa (Dorset and Dorset x Romney) after chilling (5 degrees C) and after freeze-thawing. During chilling, spermatozoal motility decreased significantly at an AFP or AFGP concentration of 0.1 microgram/ml and at concentrations above 10 micrograms/ml (P

 

Source: Cryobiology. 1994 Apr;31(2):180-4


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