Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere REPUBLIC OF SOMALILAND Student name: _________________________ School: _____________________ Class: _________ Chapter -Two Form 4 Livestock Health and Diseases Questions and Answers with Exam Practices Form 4 Revision and Exam Preparation Book Part One: Questions and Answers 1. Define livestock health and disease? Answer: o Health is the state of the body whereby all organs and systems function normally. o Disease is the deviation from the normal functioning of the body organs and systems of the animal. 2. List the importance of keeping livestock healthy. Answer: i. ii. iii. iv. v. vi. Health animals produce high quantity and quality products Healthy animals have low production costs Health animals work for long period. Healthy animals live longer Healthy animals grow (mature) faster Healthy animals attract better prices in the market compared to sick animals. 3. Identify some factors that influence livestock diseases Answer: o Age of the animal o Sex of the animal o Climate change o Climate change o Skin color o Poor or inadequate feeding o Species of the animal o Improper handling 1 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 4. Illustrate any four importance of keeping livestock healthy Answer: (a) Health animals produce high quantity and quality products (b) Healthy animals have low production costs (c) Health animals work for long period. (d) Healthy animals live longer 5. List four predisposing factors of livestock diseases Answer: (a) Age of the animal (b) Sex of the animal (c) Skin color (d) Climate change 6. List signs of ill-health in livestock Answer: a) Lack of appetite b) Low production (e.g. milk) c) Excessive salivation d) Swelling e) Restlessness f) High body temperature g) Abnormal color of urine h) Increase or decrease in pulse rate 7. Mention four factors that cause livestock diseases Answer: a) Living organisms e.g. micro-organisms b) Chemical poisoning c) Poor feeding and nutrition d) Physical injuries 8. Write any three out of signs (symptoms) of ill-health in livestock Answer: (a) Reduced appetite (b) Reduced production (e.g. milk) (c) Excessive Salivation 9. State the general methods of disease control in livestock Answer: a) Keeping sanitation b) Proper feeding c) Quarantine d) Control of parasites e) Culling f) Regular vaccination of animal g) Proper housing of animals 2 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 10. State the appropriate ways of handling livestock Answer: a) Hoof trimming b) Dehorning c) Castration d) Culling 11. What causes livestock diseases? Answer: a) Microorganisms, such as bacteria, viruses, parasites, fungi b) Nutritional deficiency c) Chemical poisoning 12. How can you tell that an animal is sick? Answer: Sick animals may have the following signs (symptoms); a) Lack of appetite b) Reduced production, e.g. milk c) Excessive salivation d) Diarrhea e) Abnormal color of urine f) Abnormal swelling 13. Explain the methods of controlling livestock diseases Answer: The methods of controlling livestock diseases are including; a) Keeping sanitation b) Proper feeding c) Quarantine d) Control of parasites e) Culling f) Regular vaccination of animal g) Proper housing of animals 14. How does livestock disease affect farm income? Answer: o Livestock diseases reduce livestock production such as milk and meat. o Livestock diseases reduces reproduction in animals o Livestock diseases also increase expenses or costs used in treating and handling sick animals. 3 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 15. Causes of livestock diseases are grouped into several groups. a) Identify two living organisms that cause disease to livestock b) Name a disease that affects only lactating female animal Answer: (b) Micro-organisms and parasites (c) Mastitis 16. Explain the advantages of docking in sheep Answer: • For fat distribution in the body • To make mating easy • For cleanliness 17. Why is cattle dehorned? Answer: • To handle easily • To prevent the injuries on each other • Reduction of farm destruction. 18. Define the following terms a) Vaccine b) Isolation c) Poor feeding d) Quarantine e) Culling f) Sanitation Answer: (d) Vaccine is any preparation used as a preventive inoculation to confer immunity against a specific disease. (e) Isolation is the removal of sick animals from the healthy animals to prevent cross infection. (f) Proper feeding is the process of providing animals with a balanced diet. (g) Quarantine is a method of sick animals is deliberately isolated from healthy animals. (h) Culling is the removal of sick and un-productive animals from the herd. (i) Sanitation is the provision of an appropriate clean environment that is free from disease-causing organisms. 19. Explain the advantages of caponization Answer: • To make docile • To improve meat quality • To reduce breeding 4 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 20. What are the reasons for culling livestock? Answer: The main reasons for culling livestock are including; a) Poor health b) Old age c) Poor production d) Heredity defects e) Poor mothering ability 21. Why hoof is trimmed from livestock? Answer: • To facilitate easy movement • To control foot rot diseases • To prevent the ram from injuring the ewe during mating. 22. If the Newcastle diseases affect poultry, how do you control it? Answer: • Vaccination • Quarantine • Killing infected birds. 23. What is the notifiable disease in livestock? Answer: Notifiable disease is a disease that must be reported to public health authorities at the time it is diagnosed because it is potentially dangerous to human or animal health. 24. Name four notifiable diseases in livestock Answer: Anthrax, brucellosis, food and mouth diseases, rinderpest 25. What are the following appropriate methods of handling livestock A) Culling B) Docking C) Caponization Answers: A) Culling is the removal of sick and un-productive animals from the herd. B) Docking is the removal of tail in sheep C) Caponization is the process of removing tests from male birds or cock. 26. What is zoonotic disease (zoonoses)? Answer: Zoonotic diseases or zoonoses are diseases that are transmitted from an animal to human, e.g. anthrax. 27. State two nutritional diseases which affect livestock Answer: Milk fever and bloat 5 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 28. Discuss foot rot and mouth diseases under the following sub-headings. a. Casual organism b. Livestock species attacked c. Symptoms d. Control measures Answer: a. Virus b. Cattle, sheep and goats c. Symptoms of foot and mouth diseases are including, • Lameness • Salivation • Blister d. Control of foot and mouth diseases are including; • Quarantine • Vaccination • Slaughtering • Burning or burying dead animals 29. The diagram below shows a cow suffering from bloat and inserted a tool in the left abdomen to relieve the bloat. a) b) c) d) e) f) 6 What is bloat? State two causes of bloat in cattle Give two symptoms of bloat Name the surgical tool used to relieve bloat in cattle In case a cow gets bloat, how would it be handled How would you manage a herd of cows during a rainy season to minimize the chances of getting bloat? Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Answers – Q.29: a) Bloat is the accumulation of excessive gas within the left side of the abdomen. b) Causes of bloat in cattle can be; • Grazing young and lush pasture (grazing succulent pasture) • Digestive disorder • Excessive or fast feeding c) Symptoms of bloat are including; • Difficult breathing • Profuse salivation • Distress d) Using trocar and cannula to relieve or remove gas from the stomach e) The main ways of handling a cow with bloat are including; • Exercising the sick animal • Giving sodium bicarbonate (baking soda) diluted in water through tube. • Removing gas from the stomach by using trocar and cannula f) The main factors to minimize the chance of cattle getting bloat during rainy seasons are including, • Avoid cattle grazing on wet pasture • Feed the animal on dry forage (feed the cattle on dry pasture) 30. Explain the term quarantine in animals Answer: Quarantine is the isolation of sick animals from healthy animals. 31. State an appropriate way of handling of cattle during treatment Answer: The appropriate ways of handling of cattle are hoof trimming, dehorning and culling. 32. Define the following terms a) Hoof trimming b) Dehorning (disbudding) c) Castration d) Caponization Answers: a) Hoof trimming is the cutting back of overgrown hooves on animals. b) Dehorning (disbudding) is the practices of removing or stopping the growth of horns in cattle. c) Castration is the practices of making the testicles of male animal none functional. d) Caponization is the process of removing tests from male birds or cock. 7 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 33. State any two reasons for hoof trimming in animals Answer: Reasons for hoof trimming 1. To facilitate easy movement 2. To control foot rot diseases 3. To prevent the ram from injuring the ewe during mating 34. State any two reasons for dehorning in cattle Answer: Reasons for dehorning in cattle 1. Easy to handle 2. To prevent the injuries on each other 3. Reduction of farm destruction 4. Transportation and feeding is easy 35. State any two reasons for castration in animals Answer: Reasons for castration 1. To control or prevent inbreeding 2. To encourage fast growth rate 3. To improve quality of meat 36. State any two reasons for docking in sheep Answer: Reasons for docking in sheep 1. To enable fat distribution in the body 2. To make mating easy 3. For cleanliness 4. To avoid occurrence or attack of blowfly 37. What are the reasons for caponization in male birds or cock Answer: Reasons for Caponization in male birds or cock 1. To improve meat quality 2. To make docile 3. To attract better price in market 8 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 38. List three signs that the animal is in good health? Answer: • High production • Fast growth rate • Reduces production costs • Attract better process in the market • Produce health offspring 39. Why animal hooves are trimmed? Answer: Animal hooves are trimmed to; • facilitate easy movement • control foot rot diseases • prevent the ram from injuring ewe during mating 40. Name two diseases caused lameness in cattle Answer: Foot rot and black quarter 41. Name the causes of the following diseases a. Fowl typhoid b. East coast fever c. Foot rot d. Coccidiosis e. Newcastle disease f. Anthrax Answers: 9 Type of disease Fowl typhoid East coast fever Foot rot Coccidiosis Newcastle disease Pathogen salmonella bacteria theileria parva fusiformis species coccidia of elmeria newcastle disease virus Anthrax Bacillus anthracis Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 42. The below table contains different diseases So apply the diseases in the above table with their suitable animals below; i. It attacks all lactating female animal ii. It attacks cattle, sheep and goats iii. It attacks poultry Answers: i. Mastitis ii. Anthrax iii. Fowl pox 43. Complete the below table about livestock diseases Disease and livestock attacked Causal agent Theileria parva Symptoms • • • Anaplasmosis it attacks cattle sheep and goats Anaplasma meriginate • Coccidiosis It attacks calves, poultry, lambs and young rabbits Coccidia of elmeria spp • Trypanosomiasis It attacks cattle, sheep, goats, pigs and horses Trypnosoma spp • 10 Ahmed Omaar • • Control measures Swollen lymph nodes Breathing difficulties High body temperature Diarrhea, which maybe whitish or blood stained Ruffled feathers Drooping wings • • Controlling ticks Treating using appropriate drugs • • Controlling ticks Treating using appropriate drugs ▪ ▪ ▪ Controlling tsetse fly Treating with appropriate drugs Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Answers for question 43: Disease and livestock attacked East coast fever Causal agent Theileria parva Symptoms • • • Anaplasmosis it attacks cattle sheep and goats Anaplasma meriginate • • Coccidiosis It attacks calves, poultry, lambs and young rabbits Coccidia of elmeria spp • Trypanosomiasis It attacks cattle, sheep, goats, pigs and horses 11 Ahmed Omaar • • Trypnosoma spp • • • • • Control measures Swollen lymph nodes Breathing difficulties High body temperature Constipation Rise in temperature • • Controlling ticks Treating using appropriate drugs • • Controlling ticks Treating using appropriate drugs Diarrhea, which maybe whitish or blood stained Ruffled feathers Drooping wings ▪ High fever Enlarged lymph nodes Anemia Loss of appetite Emaciation ▪ Hygiene improvement Avoiding overcrowding Treating with appropriate drugs Controlling tsetse fly Treating with appropriate drugs ▪ ▪ ▪ Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 44. The following table shows information about livestock diseases. Complete it by filling the missing information. Disease Animal affected Causal agent Anthrax Clostridium bacteria Symptoms 1) • 2) • • 1) • 2) • • • Poultry • • • Theileria parva Control Lesions on skin, comb, leg and vent Breathing difficulties Poor growth Poor egg production 2) 12 Ahmed Omaar Early cases treated with antibiotics Vaccination Quarantine ▪ ▪ ▪ ▪ 1) Proper disposal or burning of carcasses Quarantine Vaccination Controlling ticks Treating with using appropriate drugs Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Answers for question 44: Disease Anthrax Black quarter Animal affected Cattle, sheep, goats Cattle, sheep and goats Causal agent • Bacillus anthracis Clostridium bacteria Fowl pox Poultry Fowl pox virus East coast fever Cattle Theileria parva 13 Ahmed Omaar Symptoms Control High body temperature Sudden death Watery blood oozes body openings Lameness Shivering High fever Lack of appetite • • • • • • • Lesions on skin, comb, leg and vent • Breathing difficulties • Poor growth • Poor egg production • Swollen lymph nodes • Breathing difficulties • High body temperature • • • • • • Proper disposal or burning of carcasses Quarantine Vaccination Early cases treated with antibiotics Vaccination Quarantine ▪ ▪ Vaccination Killing infected birds ▪ ▪ Controlling ticks Treating with using appropriate drugs Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 45. Describe trypanosomiasis under the following terms a) Any two animals attacked b) Causal agent c) The vector that transmits d) Any two symptoms e) Any two control measures Answers: a) Cattle, sheep and goats b) Trypanosome spp c) Tsetse fly d) High fever, anemia, loss of appetite e) Controlling tsetse flies and treating with appropriate drugs 46. Describe Brucellosis disease in cattle under the following points a) Casual organism b) Any two animals attacked c) Any three signs (symptoms) of attack d) Any three control measures Answers: a) Brucella abortus b) Cattle, sheep and horses c) Abortion in late pregnancy, retention of placenta, brownish vaginal discharge d) Vaccination, use of healthy bulls, proper sanitation 47. The following table shows the information of animal diseases. Complete by filling in the missing information. Disease Causative agent Mode of Symptom transition - High temperature Bacillus Foot rot Bloat Grazing moist infected pasture - Lameness - Accumulation of gases in left abdomen - 14 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Answers Q. 47: Disease Causative agent Anthrax Bacillus Foot rot Fusiforms Bloat Feeding of succulent pasture Mode of transition Symptom Feed of infected pasture - High temperature Grazing moist infected pasture - Lameness Excessive feeding of succulent pasture - Sudden death - Swollen and painful hoof - Accumulation of gases in left abdomen - Profuse salivation 48. Milk fever is a type of nutritional diseases which affects livestock a) Identify the cause of milk fever in dairy cow b) Give any three symptoms of milk fever c) State any method of controlling milk fever Answers: a) Low level of calcium in the blood b) Muscular twitching, staggering, coma, paralysis c) Feeding animals on diet rich in calcium 49. The diagram below shows a certain routine management practice carried out on sheep. a) Identify the above method b) Give two reasons why the above practice is carried out on sheep c) Name the tools used for this method 15 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Answers Q. 49: a) Docking (tailing) b) Fat distribution in the body, for cleanliness, to make mating easy, to avoid occurrence of blowfly attack c) A burdizzo, a rubber ring, a knife or a hot iron 50. The practice of removing horns from cattle is called dehorning (disbudding). a) Why dehorning is important? Give two reasons. b) Write down methods of used for dehorning. Answers: a. Dehorning is important for the following reasons; • Reduction of farm destruction • Easy to handle • Prevents injuries on each other • Easy to transport b. Methods used in dehorning are including; • Chemical method • Hot iron • Dehorning iron • Rubber ring with elastrator • Dehorning saw 51. The diagram below shows a certain routine management practice carried out on livestock. a) b) c) d) 16 Which portion of the hoof should be trimmed? Identify the above method Write down any two reasons for making the above method Identify the type of disease affected the animal if not practiced the above method Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Answers for question 51: a) The overgrown hoof should be trimmed b) Hoof trimming c) To facilitate easy movement, to control foot rot disease d) Foot rot diseases 52. The following diagram is about a chicken with symptoms of certain disease a) b) c) d) Identify the above type of disease Name the causative agent of the disease Apart from lesions on comb, state two other symptoms of the disease State two control measures for the above disease Answers: a) Fowl pox b) Fowl pox virus c) Breathing difficulties, poor growth, poor egg production d) Vaccination, killing infected birds 17 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere Part Two: Exam Practices Multiple Choice Questions: Circle the Correct Answer 1. ___________ is the state of the body where by all organs and systems function normally. A. Viral diseases B. Bacterial diseases C. Health D. Diseases 2. Which one is a bacterial disease? A. Newcastle B. Foot and mouth disease C. Fowl typhoid D. Fowl pox 3. Livestock health can be defined as A. The state of complete physical, mental and social well-being B. The state of body whereby both the body and mind are in a balaced condition C. The deviation from the normal functioning of the body organs and systems D. The state of the body whereby all organs and systems function normally 4. The following diagram shows an infection of udder of a cow. Identify the type of the above disease A. B. C. D. 18 Bloat Milk fever Newcastle Mastitis Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 5. Which of the following is a sign of ill health in livestock? A. Abnormal coloration of urine B. Swollen lymph nodes C. Mucus in eyes (abnormal lacrimation) D. All of them 6. The following diagram shows an appropriate method of handling livestock. Identify the above method? A. Dehorning B. Docking C. Culling D. Hoof trimming 7. The following diagram shows the removal of tail in sheep The above diagram is all about A. Caponization B. Culling C. Docking D. Dehorning 19 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 8. Which of the following devices is used to dock tails of lambs? A. Elastrator B. Emasculator C. Emasculative D. All of the these can be used 9. The following diagram shows farm animals Which method of disease control illustrates the above diagram? A. Sanitation B. Vaccination C. Proper feeding D. Quarantine 10. The type of disease that can affect only a particular sex of animal is _____ A. Swine fever B. Fowl pox C. Mastitis D. Rinderpest 11. The following diagram shows farm animal suffering a type of disease Identify the type of disease which the above symptom illustrates A. Scouring B. Foot rot C. Black quarter D. Rabies 20 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 12. The following diagram shows an overgrown hoof of a farm animal Which disease is likely to affect this farm animal? A. Foot and mouth B. Anthrax C. Foot rot D. Rinderpest 13. The following diagram shows a cow. Which part does Mastitis disease infect? 14. A nutritional problem characterized by a swollen abdomen on the animal’s left side due to gas distention is commonly referred to as A. Brucellosis B. Milk fever C. East coast fever D. Bloat 15. The practice of removing sick and unproductive animals from the herd is known as _____ A. Castration B. Dehorning C. Docking D. Culling 21 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 16. Which way encourages the spread of diseases among livestock? A. Sanitation C. Overcrowding B. Quarantine D. Vaccination 17. Which of the following does not belong to general methods of disease control in livestock A. Sanitation B. Improper feeding C. Culling D. Control of parasites 18. The removal of all parts of the tail from sheep is referred to as A. Castration B. Notching C. Docking D. Dehorning 19. Foot rot is a __________________ disease A. Viral B. Nutritional C. Bacterial D. Fungal 20. A trocar and cannula is used to relieve what problem in cattle? A. Mastitis B. Milk fever C. Bloat D. East coast fever 21. Caponization is the process of removing testis from the A. Male birds and cock B. Male sheep C. Male goats D. None of the above 22. The removal of the testicles from a male animal is A. Dehorning B. Docking C. Castration D. Culling 22 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book Biology Questions & Answers - Chapter 2: Livestock Health & Diseases Form 4 Ombiology4u – Biology Notes and Exam Practices for High School Students, anytime anywhere 23. The following diagram shows a method of disease control Identify the above method A. Quarantine B. Control of bloat C. Isolation D. Control of parasite 24. Which of the following is not microorganism which cause livestock disease A. Protozoa B. Fungi C. Ticks D. Virus 25. Livestock diseases are caused by the below factors, EXCEPT A. Chemical poisoning B. Proper feeding C. Physical injuries D. Poor feeding 26. Identify the main reason for sick animal isolation A. Proper feeding B. Avoiding physical injuries C. Prevention of disease spreading D. Prevention of chemical poisoning 27. Milk fever is a __________________ disease A. Bacterial disease B. Protozoan disease C. Nutritional disease D. Fungal disease 23 1 Ahmed Omaar Biology Secondary School Form 4 Biology – Chapter 2 – Revision and Exam Practice Book