Farm ANIMAL NUTRIENT DEFICIENCIES

• There are two groups of animals which are important in agriculture. • The groups are domestic and wild animals. 1. Domestic animals • These are animals which are trained to live with people in their homes. • Some examples includes : Uses of domestic animals • Source of food, for example milk, eggs and meat. • For cultural purposes, for example paying lobola. • Some are used for transport and labour. • Domestic animals can also be a source of income. 2 . Wild animals • These are animals which are found in game reserves and in the forests • They are also called game animals. • Examples of wild animals are: Uses of wild animals • Some of the wild animals give us meat, hides and ivory. • Wild animals attract visitors from other countries, so the country gets money. Wednesday 06 September 2023 Exercise: Domestic animals 1. What is a domestic animal? [2] 2. What is a wild animal? [2] 3. Name any 4 domestic animals that you know. [4] 4. State any 2 uses of domestic animals. [2] 5. Name any 3 wild animals that you know. [3] 6. Give 2 uses of wild ani mals. [2] 7. Wild animals can also be called animals. [1] • Animals, like human beings need good food to help them to grow and reproduce. • The main sources of food for animals include stock feeds, pastures, veld grass, crop remains and cereal grains. • These foods contain the most needed essential nutrients. Nutrient Function carbohydrates Gives energy Fats Give energy and warmth Proteins Helps in growth and repair of body parts Minerals Help in the formation of bones and teeth Vitamins Help develop good sight, improve fertility and help animals fight diseases Water Transports food in the body, cools the body and remove waste from the body. • Livestock are domesticated animals that are kept for food, use or for sale. • Small livestock has many uses. • They are a good source of food. • They also give us manure to use in gardens. • We get clothes and medicine as well from small livestock • Examples of small livestock are rabbits, sheep, goats and all form of poultry Poultry • All animals that are kept by farmers which have wings and feathers and lay eggs are called poultry. • They are a good source of white meat, eggs and manure. • They are also a source of income when we well them and their products. • Poultry includes chicken, guinea fowl, ducks, turkey, pigeons and quail birds. Rabbits • Rabbits have 3 known uses which are: They are kept for meat Kept for pelts. (pelt is animal skin used to make blankets, hats and jackets) They are used at agricultural shows • Rabbits are cheap to buy, easy to keep and feed. • They take about 4 months to mature. • Rabbits are fed using green vegetables and rabbit pellets. Wednesday 20 September 2023 Small livestock 1. Give 3 examples of small livestock. [3] 2. State 3 things that are provided by small livestock. [3] 3. What are the 2 uses of rabbits? [2] 4. Pelts are used to make _________________ [1] 5. State any 4 examples poultry. [4] 6. Rabbits take ___________ months to mature. [1] 7. What is poultry? • Apiculture is the keeping of bees in order for them to produce honey for sale. • Apiculture is very important because: (i) Provides honey - a valuable nutritional food (ii) Provides bees wax - which has many uses in industry Uses of wax For making candles Polish furniture Make crayons Prevent tools from rusting (iii) Honey bees are excellent pollinating agents, thus increasing agricultural yields. BEE COLONY Inhabitants of the bee colony and their roles • A honey bee colony typically consists of three kinds of adult bees: workers, drones and the queen 1. Workers • Workers are the smallest and constitute the majority of bees occupying the colony. • They do not lay eggs. • Workers have specialized structures, such as brood food glands, scent glands, wax glands, and pollen baskets. • these allow them to perform all the labors of the hive. Roles of the worker bees they forage for nectar, pollen, water, and plant sap. They clean and polish the cells. feed the brood. care for the queen. remove debris. handle incoming nectar. build beeswax combs. guard the entrance. 2. Drones • Drones (male bees) are the largest bees in the colony. • They are generally present only during late spring and summer. • The drone’s head is much larger than that of either the queen or worker. • Drones have no stinger, pollen baskets, or wax glands. • Their main function is to mate with the queen. 3 . Queen • Each colony has only one queen. • The queen is the largest of the bees in a bee colony. • The Queen Bee plays a vital role in the hive because she is the only female with fully developed ovaries. • She produces both fertilized and unfertilized eggs. • Queens lay the greatest number of eggs in the spring and early summer. • The queen also produce chemical scents that help regulate the unity of the colony. 1. What is apiculture? [2] 2. Give 3 reasons why apiculture is important in Zimbabwe. [3] 3. Name the 3 inhabitants of the bee colony. [3] 4. Briefly explain the roles of each inhabitant named in number 3. • Apart from using hand tools, farmers also use some farm implements and machinery to carry out their field work. • Machines help farmers do their work more easily and quickly. • The most common implements used by farmers to grow, harvest and transport their produces are:  mouldboard plough Cultivator Scotch cart Harrow Planter Maize sheller  combine harvesters Boom sprayers Disc harrow Spike toothed harrow KNAPSACK SPRAYER • Farming is a business. • Communal farmers grow crops and keep animal mainly for their own use. • If there is any extra they sell to get money. • Commercial farmers grow crops and keep animals for sale. • Crops and animals produced are called farm produce. • There are places were farmers have to sell their produce. • Farmers can take their produce to local markets. • A market is a place where buying and selling occurs. • Some of the local markets includes: A shopping centre A school A nearest bus stop A local village A school Local Grain Marketing Board depot (GMB) Types of farm produce Beef Fruits Mutton Eggs Vegetables Pork Milk Chicken Cereals/grains beans

1 .Sand soil • Has course/ large particles • they are larger than those of clay • Loses water quickly • Has less organic matter • Has good aeration • Allows good root penetration • Leaching of nutrients is more in sand soil. • Does not stick when wet 2. Clay soil • Has very fine particles which are closely packed • The soil is sticky when wet and can be moulded into any shape • It holds more water than sand and loam • It has poor drainage • It cracks when dry • It has poor aeration • It does not allow good root penetration 2 .Loam soil • Is a mixture of sand and clay particles • It half clay half sand • It can be easily moulded into a shape but easily crumbles • Holds water for a longer time than sand • It sticks on the hands when wet • It has good drainage • It has good aeration • It allows good root penetration • Loam is the best soil Soil Fertility • When soil has enough plant nutrients it is fertile • Soil fertility is the presence of nutrients in the soil • A farmer can add nutrients to the soil to make it fertile • This is done by applying fertilizers and compost. • A fertiliser is a substance that is added to the soil to increase fertility • Nutrients found in the soil include Nitrogen, Phosphorus and Potassium ( NPK ) • They are called major nutrients or macro nutrients because they are needed in large quantities Minor nutrients • Minor nutrients are needed in smaller quantities • Minor nutrients are also called micro nutrients or trace elements • Examples of minor nutrients are boron, iron, zinc, manganese, magnesium and molybdenum Soil erosion • Is the washing away of top soil by agents such as Water Wind Animals Humans 1. Water: • Water washes away soil when it rains. • Loose soil is washed away into dams and rivers. • Steep slopes also lead to soil erosion. • Ploughing 2 . Wind • The blowing away of soil by wind causes soil erosion. • When people cut down trees wind erosion easily takes place. • Type of soil also leads to wind erosion. Which soil type is easily eroded by wind? 3 . Animals • Animal cause soil erosion by overgrazing. • Overgrazing is when animals eat plant or vegetation leaving the ground surface bare. • Animals walking on the same pathway for a long time make the soil loose. • Animals that live underground also burrow loosening the soil. • This makes soil break easily and get washed away. WATER WATER CONSERVATION Water • Water is important in agriculture • It is used to: Clean farm tools Mould bricks Wash milking equipment Cool machines Provide homes(habitat) for fish Give animals drinking and bathing water Sources of Water Natural sources 1. Natural rains: • rain water from the clouds is a primary source of water. • It is used to water crops such as maize, millet, sorghum and so on during the rainy season. • Rain water that collects into the rivers and dams is used by animals and people for drinking. 2 . Rivers : • Rivers are some of the major sources of water for different activities such as fishing, boat cruising and irrigation. 3 . Streams : • A stream is a small river. • Streams supply water for irrigating garden crops especially in rural areas. • They are also a source of water for animals to drink and bath. Sources of Water 4 . Springs : • Springs are usually found on hilly areas. • They result from pressure of underground streams. • The pressure forces water underground to form a channel to the surface of the soil and flow above the ground. Sources of Water Man made sources Man discovered that water for agriculture was not enough during the rain and cool dry seasons. They decided to make structures which would harvest or collect and store water for future use. 1.Protected well: • Wells are dug in the ground by hand. • They are often lined with bricks and concrete so that they do not cave in. • Protected wells are covered, therefore are safe to drink from. 2 . borehole : • They are deep holes made by drilling machines. • Drilling can be done up to 70 metres deep. • Water is pumped using an electric pump or hand pump. Sources of Water 3 . Dams : • A dam is a large wall or barrier built to hold water to save it for future use. 4 . Weir : • A weir is made by construction a cement brick wall or concrete wall across a river to trap water and eroded soil. • water flows over the wall when the river is inflood. 5 .Water tank : • Is a temporary manmade water source. • Water from a water tank is usually harvested from roof tops or it works along a borehole or protected well as temporary storage. • Water is pumped from the borehole or protected well into the water tank. 6 . reservoir : • A large natural or manmade lake used as a source of water. PLANTS Uses of plants • Fibre for making clothes • Oil for cooking, making paint and chemicals • Sugar for tea • Wood for timber • Refreshing drinks and alcohol • Food for people and animals • Protect the soil from erosion • Plants supply us with fresh oxygen for breathing. • Some plant parts are used as medicine.

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