In the nursery, consistency is critical. Pigs that fall behind the rest of the group can lag through future phases and may require additional days to finishing.
Becky Bierlein, a swine specialist for Purina Animal Nutrition, says fallout rates are a top performance indicator in a wean-to-finish facility.
“Many factors – including nutrition, feed budget, environment and even the pigs themselves – can impact fallout rates. To achieve the 0.5 percent or fewer standard, actively engage with pigs from day one.”
Feed small pigs in a different way from the start: No matter the environment, some pigs will be smaller than the rest of the group at weaning. Bierlein encourages separating the bottom 10% and starting them off a bit differently from the main group.
“They need more attention when it comes to feed and environment,” Bierlein says.
Watch for additional fallouts: After dividing the group by size, nursery management can help identify potential problems. Check each pig at least daily to ensure they are active, eating and drinking.
“It’s not enough to glance through your barn,” Bierlein says. “Look at each pig from snout to tail and spine to hoof each day. If a problem is noticed, a fast intervention can help remedy the problem. We need to make sure intervention is fast in order to successfully keep fallout rates below 0.5 percent.”
Determine the cause: If high fallout rates are recorded, a facility evaluation may help determine an underlying issue.
“Foremost, make sure pigs have enough feed and water space,” Bierlein says. She recommends supplying at least one waterer for every 10 pigs and 1 inch of feeder space per pig for animals ranging from 40 to 50 pounds.
“Next, look at the environment to make sure what is happening in the pen is not negatively impacting the pig’s growth and development,” Bierlein advises. “Sometimes it’s just pen dynamics and all we need to do is allow that pig the opportunity to be in another pen.”
Manage fallouts critically: Fallout pigs – whether separated at weaning or during the production process – should be given focused nutrition, hydration and care. Bierlein says this care should be similar to other nursery pigs but with greater vigilance.
“We recommend giving pigs gel, electrolytes and highly palatable starter feed during times of stress,” she says. “Mat-feeding gel, especially, provides both hydration and nutritional components, allowing for an easier transition back onto dry feed.”
Re-introduce pigs to the general population: Once recovered, fallout pigs can begin the transition back to the general population.
“I like to see fallout pigs transitioned into a recovery pen before rejoining the rest of the pigs,” Bierlein says. “This allows the caretaker to observe the pigs and make sure they are transitioning okay away from the hospital pen.”
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