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- Agriculture Business Enterprises Demonstration Sites
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- MP Board Class 12th Biology Solutions Chapter 9 Strategies for Enhancement in Food Production
- Poultry, Fisheries, Apiculture and Sericulture
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- NCERT Solutions Class 12 Biology Chapter 9 – Strategies for Enhancement in Food Production
Agriculture Business Enterprises Demonstration Sites
Question 1: Explain in brief the role of animal husbandry in human welfare. Answer Animal husbandry deals with the scientific management of livestock. It includes various aspects such as feeding, breeding, and control diseases to raise the population of animal livestock. Animal husbandry usually includes animals such as cattle, pig, sheep, poultry, and fish which are useful for humans in various ways. These animals are managed for the production of commercially important products such as milk, meat, wool, egg, honey, silk, etc.
The increase in human population has increased the demand of these products. Hence, it is necessary to improve the management of livestock scientifically. Question 2: If your family owned a dairy farm, what measures would you undertake to improve the quality and quantity of milk production? Answer Dairy farm management deals with processes which aim at improving the quality and quantity of milk production. Milk production is primarily dependent on choosing improved cattle breeds, provision of proper feed for cattle, maintaining proper shelter facilities, and regular cleaning of cattle.
Choosing improved cattle breeds is an important factor of cattle management. Hybrid cattle breeds are produced for improved productivity. Therefore, it is essential that hybrid cattle breeds should have a combination of various desirable genes such as high milk production and high resistance to diseases.
Cattle should also be given healthy and nutritious food consisting of roughage, fibre concentrates, and high levels of proteins and other nutrients. Regular baths and proper brushing should be ensured to control diseases.
Also, time-to-time check ups by a veterinary doctor for symptoms of various diseases should be undertaken. What are the objectives of animal breeding? Answer A breed is a special variety of animals within a species. It is similar in most characters such as general appearance, size, configuration, and features with other members of the same species. Jersey and Brown Swiss are examples of foreign breeds of cattle.
These two varieties of cattle have the ability to produce abundant quantities of milk. This milk is very nutritious with high protein content. Objectives of animal breeding: i To increase the yield of animals. Question 4: Name the methods employed in animal breeding.
According to you which one of the methods is best? Answer Animal breeding is the method of mating closely related individuals. There are several methods employed in animals breeding, which can be classified into the following categories: A Natural methods of breeding include inbreeding and out-breeding. Breeding between animals of the same breed is known as inbreeding, while breeding between animals of different breeds is known as out-breeding.
Out- breeding of animals is of three types: a. Out-crossing: In this type of out-breeding, the mating of animals occurs within the same breed. Thus, they have no common ancestors up to the last generations. Cross-breeding: In this type of out-breeding, the mating occurs between different breeds of the same species, thereby producing a hybrid.
Interspecific hybridization: In this type of out-breeding, the mating occurs between different species. B Artificial methods of breeding include modern techniques of breeding. It involves controlled breeding experiments, which are of two types:- a. Artificial insemination: It is a process of introducing the semen collected from the male into the oviduct or the uterus of the female body by the breeder.
This method of breeding helps the breeder overcome certain problems faced in abnormal mating. Multiple ovulation embryo technology MOET : It is a technique for cattle improvement in which super-ovulation is induced by a hormone injection. Then, fertilization is achieved by artificial insemination and early embryos are collected.
Each of these embryos are then transplanted into the surrogate mother for further development of the embryo. The best method to carry out animal breeding is the artificial method of breeding, which includes artificial insemination and MOET technology. These technologies are scientific in nature. They help overcome problems of normal mating and have a high success rate of crossing between mature males and females. Also, it ensures the production of hybrids with the desired qualities.
This method is highly economical as a small amount of semen from the male can be used to inseminate several cattle. Question 5: What is apiculture? How is it important in our lives? Honey is a highly nutritious food source and is used as an indigenous system of medicines.
It is useful in the treatment of many disorders such as cold, flu, and dysentery. Therefore, to meet the increasing demand of honey, people have started practicing bee-keeping on a large scale. It has become an income generating activity for farmers since it requires a low investment and is labour intensive. Question 6: Discuss the role of fishery in enhancement of food production. Answer Fishery is an industry which deals with catching, processing, and marketing of fishes and other aquatic animals that have a high economic value.
Some commercially important aquatic animals are prawns crabs, oysters, lobsters, and octopus. Fisheries play an important role in the Indian economy. This is because a large part of the Indian population is dependent on fishes as a source of food, which is both cheap and high in animal protein.
A Fishery is an employment generating industry especially for people staying in the coastal areas. Both fresh water fishes such as Catla, Rohu, etc and marine fishes such as tuna, mackerel pomfret, etc.
Question 7: Briefly describe various steps involved in plant breeding. Answer Plant breeding is the process in which two genetically dissimilar varieties are purposely crossed to produce a new hybrid variety. As a result, characteristics from both parents can be obtained in the hybrid plant variety. Thus, it involves the production of a new variety with the desired characteristics such as resistance to diseases, climatic adaptability, and better productivity.
Collection of genetic variability: Genetic variability from various wild relatives of the cultivated species are collected to maintain the genetic diversity of a species. Evaluation of germplasm and selection of parents: The germplasm collected is then evaluated for the desirable genes. The selected plants with the desired genes are then used as parents in plant breeding experiments and are multiplied by the process of hybridization.
Cross-hybridization between selected parents: The next step in plant breeding is to combine the desirable characters present in two different parents to produce hybrids. Selection of superior hybrids: The progenies of the hybrids having the desired characteristics are selected through scientific evaluation. Testing, release, and commercialization of new cultivars: The selected progenies are evaluated for characters such as yield, resistance to diseases, performance, etc.
After thorough testing and evaluation, the selected varieties are given to the farmers for growing in fields for a large-scale production. Question 8: Explain what is meant by biofortification. Answer Biofortification is a process of breeding crops with higher levels of vitamins, minerals, proteins, and fat content. This method is employed to improve public health. Breeding of crops with improved nutritional quality is undertaken to improve the content of proteins, oil, vitamins, minerals, and micro-nutrients in crops.
It is also undertaken to upgrade the quality of oil and proteins. An example of this is a wheat variety known as Atlas 66, which has high protein content in comparison to the existing wheat. In addition, there are several other improved varieties of crop plants such as rice,carrots, spinach etc. Question 9: Which part of the plant is best suited for making virus-free plants and why? Answer Apical and axillary meristems of plants is used for making virus-free plants.
In a diseased plant, only this region is not infected by the virus as compared to the rest of the plant region. Question What is the major advantage of producing plants by micropropagation? Answer Micropropagation is a method of producing new plants in a short duration using plant tissue culture. Some major advantages of micropropagation are as follows: a Micropropagation helps in the propagation of a large number of plants in a short span of time.
Question Find out what the various components of the medium used for propagation of explants in vitro are? Answer The major components of medium used for propagation of explants in vitro are carbon sources such as sucrose, inorganic salts, vitamins, amino acids, water, agar-agar, and certain growth hormones such as auxins and gibberellins.
Question Name any five hybrid varieties of crop plants which have been developed in India. Answer The five hybrid varieties of crop plants which have been developed in India are:.
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Agriculture Business Enterprises Demonstration Sites
Humans depend upon animals for food and related by-products, work and a variety of other uses see table To meet these demands, they have domesticated or held in captivity species of mammals, birds, reptiles, fish and arthropods. These animals have become known as livestock, and rearing them has implications for occupational safety and health.
Poultry, Fisheries, Apiculture and Sericulture. Recommend Documents. Formal diagnostic survey using semi-structured questionnaire. Sericulture - FAO communities for value-addition activities and empower them to engage in 'market realities'.
Question 1: Explain in brief the role of animal husbandry in human welfare. Answer Animal husbandry deals with the scientific management of livestock. It includes various aspects such as feeding, breeding, and control diseases to raise the population of animal livestock. Animal husbandry usually includes animals such as cattle, pig, sheep, poultry, and fish which are useful for humans in various ways. These animals are managed for the production of commercially important products such as milk, meat, wool, egg, honey, silk, etc. The increase in human population has increased the demand of these products. Hence, it is necessary to improve the management of livestock scientifically. Question 2: If your family owned a dairy farm, what measures would you undertake to improve the quality and quantity of milk production? Answer Dairy farm management deals with processes which aim at improving the quality and quantity of milk production.
Animal husbandry is the branch of agriculture concerned with animals that are raised for meat , fibre , milk , eggs , or other products. It includes day-to-day care, selective breeding and the raising of livestock. Husbandry has a long history, starting with the Neolithic revolution when animals were first domesticated , from around 13, BC onwards, antedating farming of the first crops. By the time of early civilisations such as ancient Egypt , cattle , sheep , goats and pigs were being raised on farms. Major changes took place in the Columbian Exchange when Old World livestock were brought to the New World, and then in the British Agricultural Revolution of the 18th century, when livestock breeds like the Dishley Longhorn cattle and Lincoln Longwool sheep were rapidly improved by agriculturalists such as Robert Bakewell to yield more meat, milk, and wool.
Administration at the government level; not to be confused with agricultural management , agricultural D Agrarian structure multidisciplinary framework of agricultural production and supporting services; including land tenure systems, agricultural credit, employment, related rural institutions, etc. Agricultural administration at the governmental level; not to be confused with agricultural management D
Fisheries Enterprises Demo Sites. Cage Farming Demonstration Sites. Farm name and address.SEE VIDEO BY TOPIC: Cage construction, good management & value addition in small-scale mariculture in Mauritius FAO (en)
Indian sericulture Karnataka sericulture Project opportunities List of abbreviations and references Contacts. Silk was extensively traded across the world from ancient times through trade routes known as silk routes. Global production of silk is in excess of , tonnes being produced in more than 20 countries across the world. Sector Profile Sericulture. India is on a continuous growth track in comparison to other countries which have been witnessing a decline in production. India Sericulture Overview Global Share Ranked 2nd in the production of total silk produce accounting for
MP Board Class 12th Biology Solutions Chapter 9 Strategies for Enhancement in Food Production
Integration of livestock in fish culture is an old age system of practice. Ducks, poultry, pig, cattle, buffalo, sheep and goat are common in mixed farming. Nowadays rabbit also incorporated in integrated livestock cum fish culture. Due to progressive shrinking of farm holding to obtain maximum output adoption of mixed farming system with livestock and fish become very popular in wetland and water shed areas of the country. The by-product utilization of one sub-system e.
When completing form T, Statement of Business or Professional Activities , form T, Statement of Fishing Activities , or form T, Statement of Farming Activities , you have to enter an industry code that corresponds to your main business activity. If your business has more than one activity, use the code that most closely describes your main business activity. For example, you might operate a bookstore in which you sell postage stamps.
Poultry, Fisheries, Apiculture and Sericulture
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Question 2. If your family owned a diary farm, what measures would you undertake to improve the quality and quantity of milk production? Answer: Dairy farm management deals with processes which aim at improving the quality and quantity of milk production.
In this Categorization Scheme, agriculture includes fisheries, forestry, food, nutrition and rural sociology. It comprises the production of plants and animals useful to man and the preparation and distribution of these products for man's use. Considerations on agriculture in its wide sense. For specific concepts see appropriate subject categories.
NCERT Solutions Class 12 Biology Chapter 9 – Strategies for Enhancement in Food Production
Беккер отлично знал, что в Испании только одна церковь - римско-католическая. Католицизм здесь посильнее, чем в самом Ватикане. - У нас, конечно, не все его тело, - добавил лейтенант.
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И в тот же миг ей открылась ужасающая правда: Грег Хейл вовсе не заперт внизу - он здесь, в Третьем узле. Он успел выскользнуть до того, как Стратмор захлопнул крышку люка, и ему хватило сил самому открыть двери. Сьюзан приходилось слышать, что сильный страх парализует тело, - теперь она в этом убедилась.