| Show MAKEUP MAKE UP OF YOUNG HEIFERS inheritance of quality and quantity of milk seem to be separate lots to be learned roughly speaking 25 per cent of 0 pare lre or dam Is transmitted to tile the offspring where a test such as milking quality can check this the female will show a slight preponderance 29 per cent this refers to high producing cows cowa and with them the ratio of high to medium offspring to Is about halt half and half while with medium producing cows with better bulls the high producers would bo be but one high to seven medium there are indications though no proof that production Is IB linked to P ft sex factor milk production being so closely interwoven with sex inheritance of quantity and quality of milk seem to be separate the number of fat globules glo bules in a given quantity of milk being about tile the same the difference in the per cent of fat being due to larger globules glo bules there Is a chemical difference between large and small globules glo bules thu former containing softer lighter fats the character of the fat may also determine the size of the globule probably much of the heredity for production lies in the size and character oi 01 the globules glo bules we are still in the stage of investigating these things without being able to make positive statements but the young dairyman will come to more positive knowledge by and by |
