PMID: 11315162Apr 21, 2001Paper

Blood catalase and haematocrit values in a breeding colony of Dutch-belted rabbits

Laboratory Animals
R H Foote, E Hare

Abstract

Rabbit seminal plasma catalase is much higher than in the semen of other mammals, and differences appear to be inherited. Because of the scarcity of information on rabbit blood catalase and haematocrit in Dutch-belted rabbits, an investigation of possible effects of gender, age and genetics on these variables was undertaken. There were 191 rabbits sampled at 2-3 months, 130 at 12 months and 61 at 18-24 months of age. There was no age effect on the haematocrit values and on blood catalase activity. At 12 months of age males had an average haematocrit value of 44% compared with 40% for females (P < 0.05). Corresponding average catalase values were 431 and 356 units/ml of blood (P < 0.05). Also catalase was measured in the semen and blood of 34 males, and males differed in both their blood and semen catalase activity (P < 0.05). The correlation between the two traits was r = 0.44. Heritability (h2) estimates, based on 231 rabbits were 0.40 for blood catalase activity, and 0.26 for haematocrit. The genetic correlation between the two variables was 0.83 (P < 0.05). These studies are consistent with the literature in that female rabbits have a slightly lower haematocrit value than males, and this is associated with a lower catalase a...Continue Reading

Citations

May 18, 2007·Reproduction in Domestic Animals = Zuchthygiene·C CastelliniF Galli

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