MAMMARY GLAND (UDDER


THE MAMMARY GLAND

STRUCTURE OF MAMMARY GLAND (UDDER
The mammary gland or udder is a large and succulent organ surrounded by the skin. The udder is attached to the body of the animal by strong ligament. The udder is made up of large ducts which empty their content into a large gland cistern. The udder terminates with an alveoli from where milk is secreted. The contraction of the alveoli leads to the letting down of milk.

PARTS OF THE MAMMARY GLAND

The mammary gland is made up of smooth muscles, sympathetic and sensory nerves. The number of glands varies with farm animals. For example
Farm animal Name of female No of glands
Goat Ewe 2
Sheep Ewe 2
Cattle Cow 4
Rabbit Doe Two line of 10 – 14
Pig Sow Two line of 10 – 14
Domestic fowl Layer none

The major equipment or instrument used in extracting milk from the mammary gland of farm animal is the milking machine





HERE YOU WILL FIND EVERY AVAILABLE TOPICS ABOUT AGRICULTURAL SCIENCE AND BIOLOGY. AND THE LINKS TO THEIR VARIOUS SOURCES.
1. DEVELOPMENT OF AGRICULTURE
2. IMPORTANCE OF AGRICULTURE
3. SUBSISTENCE AGRICULTURE
4. COMMERCIAL AGRICULTURE
5. PROBLEM OF AGRICULTURAL DEVELOPMENT
6. SOLUTIONS TO POOR AGRICULTURAL DEVELOPMENT
7. AGRICULTURAL LAWS AND REFORMS
8. ROLES OF GOVERNMENT IN AGRICULTURAL DEVELOPMENT
9. AGRICULTURAL POLICIES
10. PROGRAM PLANNING IN AGRICULTURE
34.
FORESTRY
35. WILDLIFE CONSERVATION
37. TOPOGRAPHY
38. SOIL
39. BIOLOGICAL FACTORS
42. CLIMATIC FACTORS AFFECTING AGRICULTURAL PRODUCTION
43. TEMPERATURE
44. RAINFALL
45. WIND
46. SUNLIGHT
47. SOLAR RADIATION
48. BIOTIC FACTOR AND AGRICULTURAL PRODUCTION
49. PESTS
50. BIRDS
51. DISEASES
52. SOIL MICRO-ORGANISMS



53. SOIL PH
54. ROCK FORMATION
55. IGNEOUS ROCK
56. SEDIMENTARY ROCKS
57. METAMORPHIC
58. SOIL AND ITS FORMATION
59. FACTORS OF SOIL FORMATION
60. LIVING ORGANISM
61. PARENT MATERIALS
62. SOIL FORMATION TOPOGRAPHY
63. PROCESS OF SOIL FORMATION
64. WEATHERING
65. PHYSICAL WEATHERING
66. CHEMICAL WEATHERING
67. PRESSURE
68. WATER
73. BIOLOGICAL WEATHERING
75. SOIL WATER
80. SANDY SOIL CLAY SOIL LOAMY SOIL
83. SOIL TEXTURE
85. RETENTION OF WATER BY VARIOUS SOIL TYPES
soil improvement techniques
90. MACRO NUTRIENTS IN GENERAL
112. THE MAINTENANCE OF SOIL FERTILITY
113. CROP ROTATION
118. FARMING PRACTICES
119. BUSH BURNING CLEARING
121. FERTILIZER APPLICATION
122. ORGANIC MANURING FARM YARD MANURE
126. CROP ROTATION
133. FARM POWER AND MACHINERY
134. SOURCES OF FARM POWER
135. HUMAN SOURCE
149. PLOUGHS
142. FIELD MACHINES
157. PLANTERS
164. SIMPLE FARM TOOLS
165. AGRICULTURAL MECHANIZATION
166. THE CONCEPT OF MECHANIZATION




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