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DIFFERENCES BETWEEN MONOGASTRIC AND RUMINANT ANIMAL DIGESTIVE SYSTEM

DIFFERENCES BETWEEN MONOGASTRIC AND RUMINANT ANIMAL DIGESTIVE SYSTEM MONOGASTRIC ANIMAL RUMINANT ANIMALS Possesses only one stomach 1. Po...

process of blood clotting and functions of antibodies


process of blood clotting and functions of antibodies

One of the methods by which the blood defends the body is by clotting at the site of a wound, thus preventing further loss of blood and the entry of pathogenic organisms at the point of the wound or injury. When the body sustains an injury in which a blood vessel is cut, the process of clotting takes place as follows:
1. Platelets plugs are formed due to exposure of damaged blood vessels to air.
2. The platelets release a chemical which causes involuntary muscles in the walls of the damaged blood vessels to constrict and so reducing blood flow.
3. In case the damage is so great to be sealed by a plug, the platelets release an enzyme called thrombokinase or thromboplastin.
4. The thrombokinase converts an inactive prothrombin into an active enzyme called thrombin.
5. The thrombin in the presence of calcium salt [Ca++ ions] converts fibrinogen into fibrin.
6. The fibrin forms a mesh of fine threads which traps blood cells forming a clot that covers the wound.
The mesh of fibrin blocks the cut in the blood vessel and prevents further bleeding while the white blood cells entangled in the fibrin mesh prevent the entry of pathogenic organisms like bacteria, virus and fungi into the body through the wound or injury. The clot dries to form a scab which drops off after a new skin tissue is formed in the injured area. Some people possess blood which is unable to clot. These people suffer from a disease







7. called haemophilia. In a haemophilia patient, a small cut may cause the loss of much blood as there is no clot formation to prevent bleeding.

antibodies

The white blood cells are known to destroy bacteria and other germs by either ingesting them or by producing chemicals capable of destroying them or their harmful products. Such chemicals are called antibodies. The white blood cells that ingest bacteria are called phagocytes while those that secrete antibodies are called lymphocytes.
Different types of lymphocytes that produce different corresponding antibodies exist.
These

types of antibodies

include:
(i) Antitoxins: antitoxins are antibodies which can neutralize the poisons [toxins] produced by bacteria or other pathogens.
(ii) Agglutinins: agglutinins are antibodies which can cause the bacteria or other pathogens to stick together to as to reduce their effectiveness.
(iii) Lysins: lysins are antibodies capable of dissolving the outer coats of the bacteria or other pathogens and make them to disintegrate.
(iv) Precipitins: precipitins are antibodies which can precipitate toxins produced by bacteria or other pathogens.
A particular type of bacteria or pathogen stimulates the formation of a specific antibody. Antibodies are usually produced in excess of the amount needed to destroy the infecting agent or its toxins. The excess antibodies remain and circulate in the blood for some time [the length of such time varies from the antibody to another] and confers immunity against infection by the particular pathogen. Antibodies are specific in their action as the antibody formed against one pathogen will not confer immunity against different pathogen.








Immunity created in the body by itself is called natural immunization. People can protect themselves from certain serious diseases artificially by causing lymphocytes in the body to recognise these antigens. This is done by injecting small dose of the weakened or dead micro-organisms in the body. Such protective methods are known as artificial immunization or vaccination. The major effect of acquired immune deficiency syndrome [aids] is that when the virus causing aids attacks and destroys certain white blood cells in the immune systems, the infected person is left without a defence when disease causing micro-organisms invade the body. As a result, he suffers from all kinds of microbial infections which eventually cause the death of the individual.

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CIRCULATORY SYSTEM IN MAMMALS

1. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
2. DISEASES
3. 52. SOIL MICRO-ORGANISMS
4. ORGANIC MANURING
5. FARM YARD MANURE
6. HUMUS
7. COMPOST
8. CROP ROTATION
9. GRAZING AND OVER GRAZING
10. IRRIGATION AND DRAINAGE
11. IRRIGATION SYSTEMS
12. ORGANIC MANURING
13. FARM YARD MANURE
14. HUMUS
15. COMPOST
16. CROP ROTATION
17. GRAZING AND OVER GRAZING
18. IRRIGATION AND DRAINAGE
19. IRRIGATION SYSTEMS
20. INCUBATORS
21. MILKING MACHINE
22. SIMPLE FARM TOOLS
23. AGRICULTURAL MECHANIZATION
24. THE CONCEPT OF MECHANIZATION
25. PROBLEMS OF MECHANIZATION
26. SURVEYING AND PLANNING OF FARMSTEAD
27. IMPORTANCE OF FARM SURVEY
28. SURVEY EQUIPMENT
29. PRINCIPLES OF FARM OUTLAY
30. SUMMARY OF FARM SURVEYING
31. CROP HUSBANDRY PRACTICES
32. PESTS AND DISEASE OF MAIZE- ZEA MAYS
33. CULTIVATION OF MAIZE CROP
34. OIL PALM
35. USES OF PALM OIL
36. MAINTENANCE OF PALM PLANTATION
37. COCOA
38.
39. PROCESSES IN COCOA CULTIVATION
HOLING AND LINING
40. YAM
41. LAND PREPARATION FOR YAM
42. DEPT OF PLANTING
43. SPACING OF YAM
44. PLANTING DEPT OF YAM
45. STORAGE OF YAM
46. STAKING OF YAM
47. HARVESTING OF YAM
48. COWPEA
JUTE
49. FORAGE CROP AND PASTURE
50. FORAGE GRASSES
51. SILAGE
52. PASTURE
53. TYPES OF PASTURE
COMMON GRASSES AND LEGUMES
54. GRASSES
55. LEGUMES
56. ESTABLISHMENT OF PASTURES
57. 201. FORAGE PRESERVATION
58. HAY SILAGE
59. FORESTRY IMPORTANCE OF FORESTRY 206. FOREST MANAGEMENT FOREST REGULATION DEFORESTATION AFFORESTATION
60. DISEASES AND PESTS OF CROPS
61. MAIZE SMUT
62. RICE BLAST
63. MAIZE RUST
64. LEAF SPOT OF GROUNDNUT
65. COW-PEA MOSAIC
66. COCOA BLACK POD DISEASE
67. COFFEE RUST
68. CASSAVA BACTERIA BLIGHT
69. BLACK ARM BACTERIA BLIGHT OF COTTON
70. TOMATO ROOT KNOT
71. DAMPING-OFF OF TOMATO
72. ONION DOWNY MILDEW
73. STORED PRODUCE MOULD
74. PESTS OF CROPS
75. STEM BORERS
76. ARMY WORM

77. COCOA MIRIDS(CAPSIDS)
78. APHIDS
79. WHITE FLY SEED BUGS
80. CASSAVA CULTIVATION
81. CASSAVA MEALYBUGS
82. VARIEGATED GRASSHOPPER
83. GREEN SPIDER MITE
84. COTTON STAINER
85. COTTON
86. PESTS OF VEGETABLES
87. GRASSHOPPER
88. THRIPS
89. LEAF ROLLER
90. BEAN BEETLE
91. RICE WEEVILS
92. . PROBLEMS WITH PESTS CONTROL
93. CROP IMPROVEMENT
94. PROCESS OF CROP IMPROVEMENT METHODS OF CROP IMPROVEMENT
95. HYBRIDIZATION OF CROPS
96. ANIMAL PRODUCTION
97. THE DIGESTIVE SYSTEM OF ANIMALS
98. THE LARGE AND SMALL INTESTINE
99. RUMINANT ANIMALS
100. THE NERVOUS SYSTEM
101. THE NEURONS
102. A SYNAPSE ACTION IMPULSE REFLEX ACTION VOLUNTARY ACTION
103. THE CENTRAL NERVOUS SYSTEM
104. PERIPHERAL NERVOUS SYSTEM
105. THE REPRODUCTIVE SYSTEM MALE AND FEMALE REPRODUCTIVE SYSTEM
106. REPRODUCTIVE SYSTEM OF BIRDS
107. THE CIRCULATORY SYSTEM
108. THE PULMONARY CIRCULATION
109. THE HEART
110. THE RESPIRATORY SYSTEM
111. THE TRACHEA INSPIRATION THE EXPIRATION THE DIAPHRAGM
112. HEAT PERIODS OESTROUS CYCLE
113. MATING
114. PARTURITION
115. MAMMARY GLAND
116. LACTATION
117. EGG FORMATION IN POULTRY
118. LIVESTOCK MANAGEMENT
119. MANAGEMENT OF GOATS
120. REPRODUCTION IN GOAT
121. POULTRY
122. POULTRY MANAGEMENT
123. BATTERY CAGE SYSTEM
124. INTENSIVE SYSTEM
125. . SEMI-INTENSIVE EXTENSIVE SYSTEM

PROODING AND REARING IN POULTRY
126. POULTRY SANITATION

127. ANIMAL NUTRITION
128. RATION
129. CONCENTRATE
130. ROUGHAGE
131. NUTRIENT SOURCES AND FUNCTIONS
132. CARBOHYDRATES
133. PROTEIN FATS
134. MINERALS
135. VITAMINS
136. FEEDING MECHANISMS IN HOLOZOIC ORGANISMS
137. TYPES OF DIETS
138. FATTENING OR FINISHING DIETS
139. LAYER DIETS
140. BALANCED DIETS
141. LACTATION DIETS
142. MALNUTRITION
143. DISEASE, CAUSES, SYMPTOM CORRECTION
144. RANGE MANAGEMENT AND IMPROVEMENT
145. LIVESTOCK DISEASES
146. VIRAL DISEASES
147. RINDER PESTS
148. NEWCASTLE DISEASE
149. BACTERIA DISEASES
150. ANTHRAX
151. BRUCELLOSIS
152. TUBERCULOSIS
153. FUNGAL DISEASES


154. PROTOZOAN DISEASES
155. TRYPONOSOMIASIS
156. COCCIDIOSIS
157. RED WATER FEVER(PIROPLASMOSIS)
158. ENDO PARASITES
159. TAPE WORM
160. ROUND WORM OF PIGS
161. LIVER FLUKE
162. ECTO PARASITES
163. TICK
164. LICE

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