How do you artificially inseminate a pig?

Insemination: Remove the tip of the semen bottle and insert it into the end of the rod. Apply gentle pressure to the bottle. Short, pulsing squeezes often work better than continuous pressure. The semen will begin to flow into the animal if she has been properly stimulated.

How is artificial insemination done pigs?

In Artificial insemination (A.I.), semen from a proven boar is artificially collected, evaluated for quality and deposited into the cervix of a receptive sow (during estrus period). Both collection and insemination are accomplished through artificial means.

When should you artificially inseminate a pig?

Sows stand longer than gilts and ovulation in both sows and gilts occurs towards the end of estrus. For these reasons, gilts should be inseminated 12 hours after the detection of estrus and sows should be inseminated 24 hours after detection of estrus when using twice-daily heat checks performed 12 hours apart.

What tools are used for artificial insemination in pigs?

Artificial insemination rods, or spirettes, are used to inseminate a gilt or sow with boar semen. When using the rod, it should be inserted at a slightly upward angle (45 degree angle) and be turned counterclockwise until it locks into the cervix. If using a foam tip rod, it does not need to be turned.

Is artificial insemination good for pigs?

Conclusions. AI of swine is widely practiced and is a very useful tool to introduce superior genes into sow herds, with minimal risk for disease transmission. In practice, fresh diluted semen (3 billion spermatozoa in 80-100 ml) is mostly used for intracervical insemination.

How much does it cost to AI a pig?

On-farm AI boars cost $2500 and were used for 2 years, and boars for a small stud cost $5500 and were used for 2 years. Variable costs for boar maintenance were estimated to be $. 75 per boar per day.

How do you stimulate the sow during artificial insemination?

To stimulate uterine contractions, allow nose to nose contact with a boar in an adjacent pen or spray SOA on the sow’s snout. Rub the animal’s flanks and put some weight on her back before and during insemination. Oxytocin can be used to stimulate uterine contractions that aid semen intake.

What are disadvantages of artificial insemination?

Disadvantages of A.I:

  • Requires well-trained operations and special equipment.
  • Requires more time than natural services.
  • Necessitates the knowledge of the structure and function of reproduction on the part of operator.
  • Improper cleaning of instruments and in sanitary conditions may lead to lower fertility.

How long does a pig stay in heat?

36–96 hours

During the cycle, about every 21 days the female comes into “heat”. Heat means she is sexually receptive. Being in “heat” lasts about 36–96 hours.

How do you induce heat in a pig?

Induction is a procedure used to advance estrus. Physical exposure using an intact or vasectomized boar provides the full range of stimuli. Hormonal injection in prepubertal gilts and sows with a combination also induces rapid follicle growth and estrus in 4 to 5 days.

How do you artificially inseminate at home?

Intracervical Insemination (ICI) Steps:

Step 1: Have the male ejaculate into the condom or collection cup. Step 2: Insert the syringe into the collection device and pull back slowly on the plunger. Step 3: Get into a position on your back and with your hips raised (use a pillow under your hips if needed).

How many times do you AI a pig?

Timing the AI

I recommend that you perform AI at least twice during a heat cycle, preferably three times. You will AI in 12-24 hour intervals. So if you AI twice, you may want to do an 18-24 hour interval.

What is the most common breeding method for swine?

Pen-mating was used most commonly on small sites (84.4 percent), compared to large sites (6.4 percent). Artificial insemination was used for mating sows and gilts on 91.3 percent of large sites (Figure 2).

How many sows can a boar breed in one day?

Re: Boar Breeding Sows vs Natural

Sound reproductive boars in peak physical condition can breed and settle 4 to 5 sows in a heat cycle over 48 to 72 hours of standing heat.

What is the fastest growing breed of pig?

Durocs have a reputation for being some of the hardiest and quickest-growing pigs around. Here’s what you need to know about the Duroc pig breed.

How do you bring a sow to heat?

Putting a sow which is in heat in with those which are not in heat will make some of the latter come into heat. A better method is to pen sows next to a boar so that they can see and smell him. The sows will come into heat especially if the boar is old and smelly.

How do you synchronize pigs?


  1. Boar exposure and PG600® are effective strategies for inducing a synchronized estrus in prepubertal gilts, but will not work in mature females exhibiting normal estrous cycles.
  2. Feeding Matrix® for 14 days produces good estrus synchronization in mature, cyclic females, but is not effective in prepubertal gilts.

How often are pigs in heat?

every 21 days

Female pigs come into heat every 21 days, at which point certain physical traits and behaviors will be noticeable, to varying degrees, to a keeper trained in what to watch for.

Are sows seasonal breeders?

Most researchers have attributed this seasonal infertility to heat stress and the fact that pigs are inherently seasonal breeders. Before pigs were domesticated, both sows and boars were seasonal breeders.

How many litters per year do pigs have?

two litters

The swine industry is a multi-million dollar industry. Hogs are very prolific; a sow can have two litters of pigs a year. The average litter size is 7.5 pigs, and it is not uncommon for a sow to have 12-14 pigs per litter. The gestation period of a sow (from the time she is bred until she farrows) is 114 days.

How many years can you breed a sow?

How Many Times Can You Breed a Sow? The average sow can breed twice a year and produce healthy litters. How many years they can do this can vary substantially, though. Some can continue to breed for upward of 6 years, while others have issues after 4.

How soon can a sow be bred after farrowing?

“Many sows weaned during the first two days after farrowing will not breed back normally until five to eight weeks postpartum,” says Britt.

Can sows farrow together?

It is normal to ‘batch farrow’ sows so that groups of sows will be weaned and come on heat together. Grouping sows or gilts opposite to the boar pens will also aid in the detection of those on heat.

Can pigs Farrow together?

When using the pen breeding system, divide sows into groups of eight to ten and use one boar with each group. One should be able to breed eight to ten sows within a three week period with one boar. Consider alternating or rotating boars every few days among pens.

How many times can a sow farrow in a year?

It all begins at the farrowing stage. Farrowing is the term used to describe a female hog giving birth. Females will normally have anywhere from 11 to 13 pigs per litter. With a sow being able to farrow close to three times a year, one sow can have around 36 piglets in one year.

How do you make a pig grow faster and bigger?

According to a team of experts from UP at Los Baños, adding ascorbic acid or Vitamin C to the diet of pigs — 800 gms. for every kilo of feeds, will make them grow faster compared to those treated with normal diets.

How many months do pigs get pregnant?

3 months 3 weeks

Pregnancy lasts for 3 months 3 weeks and 3 days. A well fed sow will produce at least 10 piglets (litter) from each pregnancy and may have 2 litters each year. After studying this unit you should be able to: 1 Care for the pregnant sow.