Animal breeding / by Laurence M. Winters.

  • Winter, Laurence Merriam, 1891-
Date:
1925
Catalogue details

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Animal breeding / by Laurence M. Winters. Source: Wellcome Collection.

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    306 INDEX M McCandlish, 0Ше11е, and Kildee, 207, 279 McKerrow Farms, 189 Malformations, 146 Mal-presentations, 265 Mammary vascular system, 71 Mammitis, 270 Marshall, 24, 39, 62, 76, 245 Masculinity and prepotency, 137, 220, 227 Masturbation, 246 Maternal impressions, 162 Maturation in females, 32 in males, 25 variation and, 147 Mediastinum, 25 Mehenwetre, Prince, 171 Mendel, 92 Mendel's objective, 93 Mendelism, 92, 122 calculating an F2 expectation, 99 complicated, 98 dominance, 94 lacking, 118 fixation of color by, 109 type by, 100 in cattle, Aberdeen-Angus, 114 color, 101 poled and horned, 94, 95, 97 in guinea-pigs, 98 in hogs, 109 in horses, 105 American Saddle Horse and, 115 color and, 105 in livestock, 98 in poultry, 113, 114 in sheep, color, 111 horned and hornless. 111 fleece characters, 123 law of, 93, 95 independent assortment of the genes, 96 segregation, 95 segregation not evinced, 118 multiple factor hypothesis of, 118 Mendelism, need for studies of, 123 obstacles to studies of, 116 possibilities of, 113, 123 successive generations of hybrids, 95 terms of, 93 variations and, 148 Metaphase, 18 Metoestrum, 39 Milk, average production by countries, 9 composition of, 69 fever, 270 production, increased by develop¬ ment, 279 by grading, 207 witches', 74 Mitosis, 18 Mule breeding, 198 chromosomes of, 200 fertility of, 198 generative organs of, 199 Multiple factor hypothesis, 118 Mumford, 46, 160, 272, 274, 280 Mutations, 145 Mutilations, 152 N Nervous influence on milk secretion, 74 New-born, ailments of, 267 care of, 266 New Salem Breeding Circuit, 294 New York Mills Sale, 229 Nick, 143 Nucleoli, 17 Nucleoprotein, 73 Nucleus, 13, 16 Nutrition, abortion and, 254, 275 development and, 272,273, 274,280 embryo, 61 fertility and, 240 foetal, 61 sex determination and, 53 sterility and, 247