[Father-male offspring transmission of seasonal variations in testicular diameter and percentage of abnormal sperm in the Ile-de-France ram. 1. Male offspring born in February].

Article

[Father-male offspring transmission of seasonal variations in testicular diameter and percentage of abnormal sperm in the Ile-de-France ram. 1. Male offspring born in February].

Reproduction, nutrition, development - 1 Jan 1990

Colas G, Lefèbvre J, Guérin Y

Abstract excerpt

An experiment was conducted on the Ile-de-France (IF) breed to determine if the more or less important sensitivity of the ram to photoperiodism came under genetic control. Five base breed unrelated rams (greater than or equal to 4 yr old), were chosen for this study: 2 good (I and II), 2 bad (III...

Topics

Animals
France
Genetic Variation
Male
Seasons
Sheep
Sperm Count
Spermatozoa
Testis

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