Management Practices for Enhancing Productivity of Piggery Farm

Management Practices for Enhancing Productivity of Piggery Farm

• Selection of pig Breeds

The selection is based on consumer preference, growth rate and meat quality. For example black skin pig is more preferable than other pigs. Quality pigs should be procured from known Research and developmental agencies, State Veterinary Department, NGOs and other breeder farmers. Normally pigs that have acclimatized in the area need to be chosen.

• Breeding management

Indigenous pigs normally reared by farmers are bred indiscriminately without much choice of male. Moreover, during the process of scavenging, there is no control over breeding. Reproduction is the main component limiting the productive efficiency of pig industry. Successful reproduction is the outcome of a series of closely linked events. The gilt must grow rapidly to attain sexual maturity, initiate estrous cycle, ovulate and be mated by a fertile boar or inseminated with fertile semen. The female pig becomes sexually mature between 8 – 10 months depending on the breed and nutrition level. But the local pig attains maturity at 5 – 6 months. The length of the estrous cycle averages approximately 21days (18 – 24 days). Signs of heat are restlessness, loss of appetite, increased vocalization, frequent urination, red swollen vulva, riding other females, elevation of tail, arched back etc. If the female is in heat she will remain stand still when pressure i s applied on the loin region with the palms of both hands (standing reflex). It is always better to leave one or two estrous cycle in case of the gilt and breeding may be done during the third cycle depending on the physical condition of the gilt. The best time for AI of sow/gilt is 15 – 24 hours after the onset of estrus. She should be bred on the second day if she is still in standing heat. If the female does not conceive, it will repeat its heat symptoms after 21 days. Those who do not repeat are presumed to be pregnant which, however, needs to be confirmed/ diagnosed with the help of a veterinarian.

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• Care during pregnancy and farrowing

After breeding, the sow should be kept in dry clean and hygienic enclosure in comfortable place. It should be closely observed for estrus symptoms around 20 days after breeding to assure the non – return of estrus and expect the conception. Pregnant sow should be shifted to a clean farrowing house before 3 weeks of farrowing. Clean and dry bedding material preferably of dry paddy straw/hay has to be provided in the pen. The pregnant animal should be fed individually . In most of the cases no assistance is required during farrowing. New born piglets are active and within two minutes each piglet reaches a teat and attempt to suck milk. Sometimes respiration is delayed in newborn piglets. To stimulate the respiratory activity of the piglet the mucous should be removed from nose and mouth. The weaker piglets should be assisted to the teat so that they can suckle the first milk (colostrums). The placenta may be expelled during the phase of delivery as single mass after the birth of last piglet. Care should be taken to avoid crushing of newborn piglets during and after farrowing.

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• Feeding management

The growth and mortality of pigs largely depend on their feeding regime. Pig is the most efficient animal in converting feed to meat. About 70 – 75 per cent of the total production cost of the pig farm is due to the feed cost. Generally farmers want to rear pigs with zero inputs like kitchen waste as well as vegetable waste mixed with rice polish/ wheat bran only. However, with this feed it is not possible to get desired body weight and other production norms. It is therefore, very much important to feed the animals with economical but balanced feed which will contain all the nutrient requirements for growth and to support the life. Generally two types of feeding are practiced. They are:

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1. Concentrated feed computed with different feed ingredients

2. Concentrated feed mixed with other locally available agro – industrial by – products, tuber crops like sweet potato, tapioca, colocasia, vegetables and kitchen waste etc .The poor and marginal farmers in the villages who can not afford to provide the above feed, can feed their pigs with sweat potato (6 0%), protein source, vitamins and minerals. Besides the above the pigs can also be maintained with vegetables waste and kitchen waste consisting of cooked rice, vegetables etc. and also with brewery waste and other feed waste. A good feed ration should contain the required nutrient in right proportion as per the need of body weight along with adequate drinking water.

• Feeding of pregnant animal

The demands resulting from pregnancy and need for conserving nutrients for ensuing lactation are accelerated during the later stage of pregnancy. The increased needs are for proteins, vitamins and minerals. Mature sows gain 30 – 35 kg and gilts 40 – 45 kg during pregnancy. Feed should be so regulated that sows and gilts are never over fat or thin. Feed lightly with bulky laxative feed immediately before an d after farrowing. Bring the sow to full feeding in 10 days. Plenty of greens may be provided. Feed allowance may be calculated as 2.5 – 3 kg/100 kg body weight plus at the rate of 0.2 kg feed per piglet with the sow. Thus, a sow weighing 100 kg with 8 piglets should receive 4.6 kg feed per day. The piglets may be provided with special nourishing diet called creep feed separately.

Read also: Pig farm biosecurity

• Creep feeding

The practice of self – feeding concentrates to young piglets in a separate enclosure away from their mother is known a s creep feeding. Creep feed should be given when piglets are two weeks old. Each active and healthy piglet may consume about 10 kg feed before reaching the age of 8 weeks and two – third of this consumed between 6 – 8 weeks.

• Orphan pigs

When a sow dies or fails to produce milk or does not claim her pigs, the piglings should be promptly shifted to a foster mother. Some sows may refuse to suckle alien piglings. Care should be taken to simulate the conditions including the odour and body size of piglings when admitted to a foster mother or another suckling sow. Cow’s milk is the best substitute for sow’s milk for hand feeding if a lactating mother is not available. Buttermilk or sweet skim milk can also be used. Each pigling may consume 300 – 500 ml milk per day. Best results may be secured by feeding 5 – 6 times a day for the first few weeks and thereafter the frequency may gradually be reduced to 2 – 3 times. Any standard vitamin preparation two or three times the quantity used for infants may be administered to the piglings until they start taking feed. Injectable iron preparation (e.g. Imferon) may be given as usual. A 60 – Watt electric bulb may provide enough warmth for the piglings during the early days of life.

• Flushing

It is the method of increased feeding to sows and gilts before breeding to enhance litter size. A good grower ration fed to pigs for seven to ten days before breeding to increase ovulation rate in them. After breeding animals should be fed a limited but well balanced ration until the last six weeks of pregnancy and then full feeding should be resumed to avoid pregnancy complications.

• Housing

While selecting the site for pig farm, it must be near to town/city to avoid transportation cost of feed or other requirements and to avail marketing facilities. Housing is required for the animals to protect them from rain, wind, storm, and sunlight, cold and extreme climate. The pigsty may be constructed with locally available materials like wooden plunks, jungle post, bamboo and thatch grasses or the houses may be of brick wall, RCC post and with Corrugated Galvanized Iron/asbestos sheet roofing. Floor should be cemented for easy cleaning and hygienic point of view. Pig can be kept under two systems and indoor system. A combination of both may be followed. It is easy to manage animals in indoor system compared to open air system. However in open air system more areas needed for animals, that is limitation particularly in NE Region. Further in open air system, possibilities of contamination of diseases a re more than indoor system. Each animal of different categories requires a minimum floor space for housing.

• Diseases and health Care

Health care measure to be followed in a pig farm is one of the most important factors and if not followed properly, farmer may incur a heavy loss. The pigs can be infected with a number of internal parasites, skin infections and other bacterial and viral diseases, which in turn will result in poor growth and even death of pig. In general, illness in pig is characterized by dullness, 8 loss of appetite, declination to move or sluggish movement, rough body coat, constipation or diarrhea, dull eyes, dull skin and hair, separates itself from the rest etc. The piglet should be dewormed once in three months. Worms from pigs may infect human being also. Most commonly found parasitic disease in NEH region are Ascaries, Strongly infection, Coccidiosis and mange mite infection. Drugs like Piperzine@250 – 3 00mg/kg b.wt in feed and water, Fenbendazole @5mg/kg b.wt in feed (Single dose) or Ivermectin @0.3mg/kg b.wt (s/c) are useful against parasitic infection in pig. The pregnant sow should be treated before farrowing.

Another commonly occurring ailment in pig is the skin infection which may be caused by ticks , mites and lice. Mange caused by mites may occur around the head, ears, legs and tails which subsequently spread all over the body. Tick and lice feed on the skin and irritate the pigs which will scratch its body. The skin infection caused by the external parasites can be treated by spraying. Dipping or painting with Butox – 1% solution spray or dipping or painting or Deltamethrin @50 – 75ppm (two application at 1 0 days interval or Ivermectin @0.3mg/kg b.wt (s/c) should be done regularly. Other diseases like piglet diarrhoea, salmonellosis, mastitis etc can be treated when it occurs in consultation with the veterinarian.

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• Culling of animals: Unproductive with very less litter size or with very high interfarrowing period, repeat breeders, aged animals, unproductive b oars etc. are to be culled and sold out for meat purpose.
• Castration of piglets: Male piglets which are unwanted and not fit for breeding purpose are to be castrated just after weaning and may be kept in the farm as fattener animal which later on may be sold for meat purpose.
• Segregation of diseased animal: A separate house should be there to keep the animals suffering from contagious diseases.
• Record Keeping: The ultimate profit or loss in a farm can only be found out by keeping proper records in the farm which includes data sheet of individual animal, total stock of animals, feed register, expenditure statement etc.

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