Friday, April 12, 2013

Sheep and goat development





Sheep development activity was undertaken as early as the early 19th century by the East India Company, which imported exotic breeds for cross-breeding with the indigenous breeds. Subsequently, with the establishment of the Imperial (now Indian) Council of Agricultural Research, research and development programmes were taken up on a regional basis; they included selective breeding within the indigenous breeds and cross-breeding them with exotic fine-wool breeds, and covered almost all the important sheep-rearing States. Major emphasis was however placed on sheep development after the country attained independence and initiated its Five-Year Development Plans. During the Third Plan, a large number of sheep and wool extension centres were established, and a wool grading and marketing programme was initiated in Rajasthan., realising the importance of sheep in the agrarian economy, the central government established CSWRI and its regional stations, under an UNDP/GOI project, to undertake fundamental and applied research in sheep production and wool utilization and to provide post-graduate training in sheep and wool sciences. During the Fourth Plan, a large sheep-breeding farm was established in collaboration with the Australian Government, at Hissar, for pure-breeding Corriedale sheep. Corriedale stud rams are being distributed from this farm to a number of States for cross-breeding to improve wool and mutton production. Seven more such farms have been established in Jammu & Kashmir, Uttar Pradesh, Madhya Pradesh, Bihar, Andhra Pradesh and Karnataka, to produce exotic pure-bred or cross-bred rams. During the Fifth Plan, a large number of breeding farms were planned to be established in the central and State sectors to produce genetically superior breeding stocks. It was also planned to reorganize and strengthen the existing sheep-breeding farms in the States as well as to expand and reorganize sheep and wool extension centres, and to set up scientific sheepshearing and wool-grading programmes. A number of sheep development programmes were undertaken under specialized programmes, such as DPAP, small-farmer (SF), marginal-farmer (MF) and agricultural labourer schemes. Setting up of wool boards in important woolproducing States was also foreseen.
The National Commission on Agriculture (NCA) reviewed the previous sheep and goat development activities and made recommendations on the approach as well as on organization with a view to implementation of various development programmes. In addition to genetic improvement, NCA laid emphasis on the provision of proper health protection, development of feed and fodder resources through silvi-pasture, and organization and extension activities for the transfer of improved sheep production technology to the farmers, and organizing the marketing of live animals and wool.
The breeding strategy is different for different regions of the country. In the north temperate and northwestern regions, it involves breeding for apparel wool through cross-breeding indigenous breeds with exotic fine-wool breeds. For the northwestern and central peninsular regions and Bihar, selection among better carpet-wool breeds and crossing extremely coarse and hairy indigenous breeds with exotic fine-wool and dual-purpose breeds to improve carpet-wool production and quality and mutton production has been recommended. For improving mutton production in the southern peninsular region, the strategy contemplates selection within better indigenous breeds such as Nellore and Mandya, and upgrading of inferior breeds with these two breeds.
So far, there has been very little systematic emphasis on goat development. Some State governments have been distributing bucks of superior indigenous breeds, mostly Jamnapari and Beetal, or stationing them in veterinary dispensaries for natural service. The Sixth Plan evvisages the establishment of large goat-breeding farms for the production of studs of important breeds as well as breeding bucks of exotic dairy breeds to be used for cross-breeding for improving milk production. There is some emphasis on improving pashmina production in the Ladakh area of Jammu & Kashmir, whose government has a pashmina goat farm for the production of studs.

Research on sheep and wool


Research on sheep and wool is the responsibility of the Indian Council of Agricultural Research (ICAR) and its constituent institutes. the Central Sheep & Wool Research Institute (CSWRI), Avikanagar (Rajasthan); the Central Institute for Research on Goats (CIRG), Makhdoom (Uttar Pradesh); and to some extent the Indian Veterinary Research Institute (IVRI), Izatnagar (Uttar Pradesh) and the National Dairy Research Institute (NDRI), Karnal (Haryana); State agricultural universities also carry responsibility in this field. It is planned to set up a bureau of animal genetic resources in the near future. The ICAR has also organized research on sheep and goat production through an All-India Coordinated Research Project (AICRP) involving a number of central and State organizations (ICAR institutes, agricultural universities, State departments, etc.). These projects cover sheep-breeding for fine wool, for mutton and for superior carpet-wool, and goat-breeding for Chevon, for milk and for mohair and pashmina. Most of the important sheep-and goat-rearing States have been covered under these projects. In addition, ICAR funds research projects from the Agricultural Produce Cess Fund.


The development aspect is entrusted to the central Ministry of Agriculture and Rural Development, which primarily provides guidelines in programme planning and organizes the import of exotic animals and other biological products not available in the country. There is a Central Sheep Development Council, including representatives of the sheepbreeders, the woollen industry, research agencies and other ministries concerned. The central Ministry of Agriculture, in consultation with experts from all over the country, prepares an overall development plan for each Five-Year Plan, and after its approval makes it available to the State governments for implementation. The State Animal Husbandry/ Sheep and Wool Departments are responsible for development programmes in their respective States; they maintain large exotic and native farms for the production of rams and are equipped to provide health protection and advice on improved management practices. Some also organize the marketing of wool and live animals. Most of the sheep development activity is now organized through intensive sheep development projects and sheep and wool extension centres. To a limited extent, under the Drought-Prone Area Programme (DPAP), sheep-breeders' cooperative societies are organized to carry out development work.

Sheep and Goat Breeds



India's vast genetic resources in sheep and goats are reflected by the availability of 40 breeds of sheep and 20 breeds of goats. In the strict sense, there are no specific breeds, since the majority of them do not have specified defined characters. Neither are there breeding societies or agencies to register animals of particular breeds, maintain flock books and ensure the purity of the breed. A population of sheep or goats in a given locality, with characters distinct from other populations in the vicinity and with a distinct local name, has usually been considered as a breed. There has been little effort to conserve and further improve the native breeds. At a few Central and State Government farms, some important breeds of sheep and goats are maintained for purebreeding and producing stud rams for distribution to the farmers.

Most of the breeds of sheep and goats in India have evolved naturally through adaptation to agro-ecological conditions; to a limited extent there has been artificial selection for specific needs. These breeds have generally been named after their place of origin or on the basis of prominent characteristics. A few breeds, e.g. Hissardale, Kashmir Merino and Nilgiri, are cross-breds involving native and exotic fine/dual/mutton breeds. The numbers and distribution of Hissardale and Nilgiri are very limited, whereas the Kashmir Merino, though large in numbers, has no definite level of exotic finewool inheritance and has involved almost all the native breeds of Jammu & Kashmir.

Most of the breeds of sheep and goats are very well adapted to the harsh climate, long migration, and lack of vegetation and drinking water. A large proportion of sheep and goats (more particularly the latter) are of nondescript or mixed breeds.

Among the Indian sheep breeds, the most important in number and distribution are Marwari and Deccani. The Marwari covers the greater part of the arid northwestern region, in both Rajasthan and Gujarat. It is highly migratory, following a transhumant system of management, and has made the greatest impact on other breeds, especially those with very coarse and hairy fleeces, Malpura and Sonadi. The Sonadi covers most of the central part of the southern peninsula, being distributed in the States of Maharashtra, Andhra Pradesh and Karnataka.

There has been a very great amount of inter-mixture among indigenous breeds. Crossing with exotic breeds has also been undertaken in order to upgrade the local breeds and to develop new ones, but no serious consideration has been given to genetic improvement. The current breeding policy for improving wool production for clothing and carpets and increasing mutton production in sheep is to cross the better carpet-wool breeds and extremely coarse and hairy breeds with exotic superior fine-wool and dualpurpose breeds. For improving carpet-wool production in some northwestern carpet-wool breeds and meat production in some south Indian non-woolly mutton breeds, however, selection within breeds is being recommended. In goats, the breeding policy is to upgrade inferior breeds with superior breeds, especially Jamnapari and Beetal.