C N Groesbeck
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View article: Neonatal Fc receptor mRNA expression in gastrointestinal tissues from pigs fed meal or pelleted diets with or without irradiated and non-irradiated spray-dried animal plasma
Neonatal Fc receptor mRNA expression in gastrointestinal tissues from pigs fed meal or pelleted diets with or without irradiated and non-irradiated spray-dried animal plasma Open
The neonatal Fc receptor (FcRn) participates in intracellular trafficking of IgG and the maintenance of circulating IgG. The relationship between the FcRn and IgG may also augment host defense immunosurveillance. The current studies evalua…
View article: The effect of feed ingredients on feed manufacturing and growth performance of pigs
The effect of feed ingredients on feed manufacturing and growth performance of pigs Open
View article: An evaluation of dextrose, lactose, and whey sources in phase 2 starter diets for weanling pigs
An evaluation of dextrose, lactose, and whey sources in phase 2 starter diets for weanling pigs Open
Two experiments were conducted to evaluate the effects of various dextrose, lactose, and whey sources on weanling pig performance. In Exp. 1, a total of 228 pigs (initially 17.1 lb) were used in a 14-d experiment. There were six treatments…
View article: Effect of humidity on flow ability of specialty protein sources in nursery diets
Effect of humidity on flow ability of specialty protein sources in nursery diets Open
We conducted an experiment to determine the effects of humidity on angle of repose (flowabilty) of different specialty protein sources. Five specialty proteins sources were used: fish meal, powdered blood meal (AP301), granulated blood mea…
View article: Effect of glycerol on flow ability of swine diets
Effect of glycerol on flow ability of swine diets Open
We conducted two experiments to determine the effect of added glycerol or a 50:50 soy oil/glycerol blend on the flow ability characteristics of ground corn or ground corn and 15 or 30% spray-dried whey. Experiments were conducted using cor…
View article: Effect of glycerol on pellet mill production efficiency
Effect of glycerol on pellet mill production efficiency Open
Crude glycerol is a by-product of the biofuels industry, which has the potential to be used as a feed ingredient in animal diets. However, little is known about glycerol's nutritional value or how it impacts feed quality and feed processin…
View article: Effects of dietary calcium formate and malic acid on nursery pig growth performance
Effects of dietary calcium formate and malic acid on nursery pig growth performance Open
A total of 180 weanling pigs (initially 14.1 lb and 18 ± 3 d of age, PIC) were used to determine the effects of dietary calcium formate or malic acid on nursery pig growth performance. Treatments were arranged in a 2 × 3 factorial, with or…
View article: Effect of irradiated protein sources, fed in meal or pelleted diets, on nursery pig performance
Effect of irradiated protein sources, fed in meal or pelleted diets, on nursery pig performance Open
A total of 350 pigs (initially 10.8 ± 2.1 lb and 21 ± 3 d of age) were used in a 22-d trial to determine the effects of feeding irradiated protein sources (spray-dried animal plasma, soybean meal, fish meal, or all three), in meal and pell…
View article: Effects of water-soluble and in-feed organic acids on the growth performance of weanling pigs
Effects of water-soluble and in-feed organic acids on the growth performance of weanling pigs Open
A total of 360 weanling pigs (initially 11.5 lb and 18 ± 3 d of age, PIC) were used in a 42-d growth assay to determine the effects of water-soluble antimicrobials and organic acids in feed and/or water on nursery pig growth performance. P…
View article: The effects of electron beam and gamma ray irradiation levels in spray-dried animal plasma on nursery pig performance
The effects of electron beam and gamma ray irradiation levels in spray-dried animal plasma on nursery pig performance Open
A total of 385 pigs (initially 13.4 ± 2.2 lb and 21 ± 3 d of age) were used in a 28-d trial to determine the effects of electron beam and gamma ray irradiation dosage of spray-dried animal plasma (plasma) on nursery pig performance. Pigs w…
View article: Effects of a liquid (neolac1) and dry feed combination fed in varying durations on weanling pig performance
Effects of a liquid (neolac1) and dry feed combination fed in varying durations on weanling pig performance Open
One hundred eighty pigs (initially 11.4 lb and 18 days of age) were used in a 28-d growth assay to determine the effects on nursery pig performance of combining a complete liquid feed (Neolac) with dry feed for various durations. Pigs were…
View article: The effects of dietary glutamine, glycine, and sodium chloride concentration on nursery pig growth performance
The effects of dietary glutamine, glycine, and sodium chloride concentration on nursery pig growth performance Open
We conducted a trial to evaluate the effects of feeding added salt (0.38% in addition to the 0.35% already added to the diet) and a 0.70% addition of a blend of 50% glutamine and 50% glycine to weanling pigs as a substitute for spray-dried…
View article: Influence of L-carnitine on litter characteristics from gilts harvested at day 40, 55, and 70 of gestation
Influence of L-carnitine on litter characteristics from gilts harvested at day 40, 55, and 70 of gestation Open
A total of 59 gilts were used to determine the effects of supplemental L-carnitine on reproductive performance. Experimental treatments were arranged in a 2 × 3 factorial with main effects of L-carnitine (0 or 50 ppm) and day of gestation …
View article: Comparison of water-based and in-feed antimicrobials for growth performance enhancement of weanling pigs
Comparison of water-based and in-feed antimicrobials for growth performance enhancement of weanling pigs Open
A total of 350 weanling pigs (initially 13.0 lb and 14 ± 3 d of age, PIC) were used to determine the effects of water-based antimicrobial on nursery pig growth performance. Pigs were given one of 5 experimental treatments: negative control…
View article: A comparison of Bygholm feed sieve to standard particle-size analysis techniques
A comparison of Bygholm feed sieve to standard particle-size analysis techniques Open
Three experiments were conducted to evaluate the Bygholm Feed Sieve particle size tester. The Bygholm Feed Sieve is an 11 inch × 2.25 inch × 4.25 inch plastic box divided into four compartments by three different screen sizes (3,000-, 2,00…
View article: Effects of water-based citric acid on growth performance and water disappearance of weanling pigs
Effects of water-based citric acid on growth performance and water disappearance of weanling pigs Open
A total of 399 weanling pigs (initially 12.2 lb and 14 ± 3 d of age, PIC) were used to determine the effects of water-based citric acid on nursery pig growth performance and water disappearance. Pigs were given a common diet and one of two…
View article: Effects of intermittent usage of water-based neomycin sulfate on the growth performance of weanling pigs
Effects of intermittent usage of water-based neomycin sulfate on the growth performance of weanling pigs Open
A total of 360 weanling pigs (initially 11.4 lb and 18 ± 3 d of age, PIC) were used to determine the effects of intermittent use of water-based medication on nursery pig growth performance. Pigs were given one of eight experimental treatme…
View article: Effects of continuous or intermittent ractopamine HCl (paylean) use on pig growth performance in late finishing
Effects of continuous or intermittent ractopamine HCl (paylean) use on pig growth performance in late finishing Open
A total of 110 barrows (PIC L210 × L42) with an initial weight of 154.4 lb were used in a 56-d feeding trial to evaluate the effects of continuously feeding ractopamine HCl (Paylean; 9 g/ton), withdrawing Paylean, or intermittent Paylean f…
View article: Nursery pig performance in response to meal and pelleted diets fed with irradiated or non-irradiated spray-dried animal plasma
Nursery pig performance in response to meal and pelleted diets fed with irradiated or non-irradiated spray-dried animal plasma Open
A 25-d trial was conducted to determine the effects of feeding meal and pelleted diets, with or without irradiated spray-dried animal plasma (SDAP; AP 920), on the growth performance in nursery pigs. A total of 192 pigs (initially 13.2 ± 1…
View article: Effects of intermittent ractopamine HCl (paylean) use on pig growth performance in late finishing
Effects of intermittent ractopamine HCl (paylean) use on pig growth performance in late finishing Open
A total of 324 pigs (initially 149 lb) were used in a 56-d feeding trial to examine growth performance of pigs as affected by different ractopamine HCl (Paylean) regimens. There were four experimental treatments: A) the control diet fed fo…
View article: Lactose and specialty protein sources influence flow ability of nursery pig diets
Lactose and specialty protein sources influence flow ability of nursery pig diets Open
Two experiments were conducted to determine the effects of lactose products and specialty protein sources on feed flow ability as measured by angle of repose. Angle of repose is the maximum angle in which a pile of ingredient retains its s…
View article: Effects of different dosages of water-based neomycin sulfate on growth performance of weanling pigs
Effects of different dosages of water-based neomycin sulfate on growth performance of weanling pigs Open
A total of 360 weanling pigs (initially 14.1 lb and 21 ± 3 d of age, PIC) were used to determine the effects of different rates of waterbased medication on nursery pig growth performance. Pigs were given one of eight experimental treatment…
View article: Inadequate diet mixing time reduces nursery pig performance
Inadequate diet mixing time reduces nursery pig performance Open
Although the importance of thoroughly mixing diets is often emphasized, little data is available to quantify the impact of inadequate mixing on pig growth performance. Therefore, a 28-d trial was conducted to evaluate the effects of mixing…
View article: Influence of L-carnitine on growth and plasma IGF-I from gilts harvested at three gestation lengths
Influence of L-carnitine on growth and plasma IGF-I from gilts harvested at three gestation lengths Open
A total of 59 gilts were used to determine the effects of supplemental L-carnitine on gilt growth and maternal insulin-like growth factor- I (IGF-I). Experimental treatments were arranged in a 2 × 3 factorial with main effects of L-carniti…
View article: The effects of meal transition diets on nursery pig growth performance in a commercial environment
The effects of meal transition diets on nursery pig growth performance in a commercial environment Open
A total of 2,016 pigs (initially 12.6 lb and 18 ± 2 d of age) were used in a 28-d growth assay to evaluate the current feed-budget allocations for SEW, Transition, and Phase 2 diets fed in meal form in a commercial environment. Pigs were a…
View article: Effects of increasing pantothenic acid on growth performance and carcass characteristics of finish pigs reared in a commercial environment
Effects of increasing pantothenic acid on growth performance and carcass characteristics of finish pigs reared in a commercial environment Open
A total of 1080 pigs (PIC), initially 89.0 ± 5.1 lb were used to determine the effects of increasing pantothenic acid on growth performance and carcass characteristics of growfinish pigs. Pigs were blocked by weight and gender, and were ra…
View article: Interactive effects between pantothenic acid and ractopamine HCl (paylean®) on growth performance and carcass characteristics of growing-finishing pigs
Interactive effects between pantothenic acid and ractopamine HCl (paylean®) on growth performance and carcass characteristics of growing-finishing pigs Open
Two experiments were conducted to evaluate the interactive effects between added pantothenic acid and ractopamine HCl (Paylean®) on growth performance and carcass traits of growing-finishing pigs. In Exp. 1, 156 pigs (PIC, initial BW = 56…
View article: Using mixer efficiency testing to evaluate feed segregation in feed lines
Using mixer efficiency testing to evaluate feed segregation in feed lines Open
An experiment was conducted to evaluate potential diet segregation in feed lines by measuring coefficient of variation (CV) and mean salt concentration. The facility was a 1500-head gestation barn with nine feed lines, transected by a cent…
View article: Evaluating oregano oil as a growth enhancer in nursery pig diets
Evaluating oregano oil as a growth enhancer in nursery pig diets Open
A total of 224 nursery pigs (PIC L 327L × C22) initially 12.9 ± 3.0 lb and 21 d of age were used in a 28-d feeding trial. The objective of our study was to evaluate the effects of oregano oil, with or without an in-feed antimicrobial. Oreg…
View article: Effects of increasing extruded soy-protein concentrate on growth performance of nursery pigs
Effects of increasing extruded soy-protein concentrate on growth performance of nursery pigs Open
Two hundred and forty barrows and gilts (initially 13.0 lb and 18 ± 2 d of age at weaning) were blocked by initial weight and were allotted randomly to one of five dietary treatments. There were eight replications (pens) per treatment, wit…