Swine Day, 1977

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Open Access
KSU aerobic swine waste handling system - a progress report
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:59:59Z) Koch, B.A.; Allee, G.L.; Lipper, R.I.; Hines, Robert H.
At the KSU swine research unit, the aerobic oxidation waste-disposal system continues to function satisfactorily. Though problems and maintenance are minimal, routine observation and maintenance are necessary to prevent development of problems. Odor is not a problem. Waste fluid can be spread on fields any time that soil is not too wet and--regardless of wind direction or humidity conditions--nearby neighbors do not complain. Pigs are performing satisfactorily in all buildings. Flies are easily controlled, suitable sanitation is easily maintained, and working conditions are satisfactory.
Open Access
Solar energy for preheating ventilating air
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:59:50Z) Spillman, C.K.; Robbins, F.V.; Koch, B.A.
The basic concept of the solar energy collector- storage system for preheating ventilating air is sound, and it should be an economic alternative as energy becomes less available and/or more expensive. Based on current energy prices it can’t be justified on a strict economic basis without large tax credits. We plan to continue research, working with other scientists, to develop it so that functional and reliable units can be constructed when our national energy situation demands such a solar energy system.
Open Access
Exhaust air from a farrowing house used to heat a greenhouse
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:59:41Z) Greig, J.K.; Spillman, C.K.; Koch, B.A.
Exhaust air from the Kansas State University swine farrowing house provides most of the heat needed in a greenhouse adjacent to it. The air apparently is not toxic to any of the vegetable plants tested. Tomato plants in the exhaust-air-heated greenhouse have grown faster and bigger, come into yield sooner, and produced several times more tomatoes than have plants grown in the control greenhouse heated by propane.
Open Access
Scrotal measurements and visual scores of boar testicle size correlated with testicle weight
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:59:31Z) Davis, Duane L.; Hines, Robert H.; davis
Scrotal measurements and visual scores of testicle size were determined for 59 boars used in nutrition and physiology studies. The best predictors of testicular weight were visual scores (average of 3 observers) and partial-circumference measurements. Though visual score was an accurate predictor within groups scored at the same time, it was not a dependable predictor when it included combined scores of groups scored at different times.
Open Access
Stress susceptibility in pigs selected for muscling
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:59:22Z) Wheat, J.D.; Kropf, Donald H.; Hines, Robert H.
Duroc swine selected for muscling seemingly are more susceptible to stress than are ordinary pigs. The highly significant difference in serum creatine phosphokinase (CPK) levels (an average score of 30.07) in those pigs and levels (18.88) in control-line pigs indicates that pigs selected for increased muscling are more susceptible to stress because exercise causes CPK levels to be proportionately higher in their blood serum than would be the case were the pigs not under stress.
Open Access
Efficiency of buquinolate in growing-finishing swine diets
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:59:12Z) Hines, Robert H.
A feeding trial utilizing one-hundred and twelve growing-finishing Duroc pigs was conducted to evaluate the effect of buquinolate (0, 30, 60, or 90g/t) in their diets on growth, efficiency, and carcass quality. Pigs fed 30g/t or 90g/t buquinolate gained four percent faster than did control pigs; however, the feed required per pound of gain was the same. Carcass quality was similar for all treatment groups.
Open Access
Comparison of anthelmintic and anti-bacterial agents fed weanling pigs reared on pasture
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:58:40Z) Koch, B.A.; Kruckenberg, S.M.; Hines, Robert H.
Forty-eight Yorkshire pigs averaging 35 lbs. were used to compare their performance under these feeding sequences: (A) mecadox plus banminth, received until weighing 75 lbs., followed by terrarnyci n to 125 lbs.; (B) worming with tramisol initially and feeding ASP-250 until weighing 125 lbs. To market weight, pigs in both treatment groups were fed a nonmedicated finisher diet. Rate of gain was similar for both treatments; the sequence A pigs, however, required 6% fewer lbs. of feed per pound of gain. Pigs fed banminth had, after 35 days, no ascarid scars in their livers and no ascarids in their intestines. Pigs wormed initially with tramisol had livers with 40 to 50 ascarid scars (both diaphragmatically and viscerally), and one pig had nine ascarids in his intestine. For pigs slaughtered at 125 lbs. and market weight, we observed fewer liver scars and intestinal ascarids in those wormed with banminth than with tramisol.
Open Access
Iron dextran and farbegen compared as methods of preventing iron deficiency anemia in neonatal pigs
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:58:00Z) Schoneweis, D.A.; Allee, G.L.
The experiment suggests that a primary need of the neonatal pig is iron and that hematinics such as cobalt and liver extract are of little value if iron is insufficient.
Open Access
Efficacy of iron proteinate fed to sows in meeting the iron needs of baby pigs
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:57:50Z) Schoneweis, D.A.; Allee, G.L.
Two trials involving 33 litters of pigs and more than 1,300 blood samples demonstrated that feeding iron proteinate (250 PPM) to the sows during the last one-third of gestation and lactation is not an effective way to supply the iron needs of baby pigs if they have limited access to the sows’ fecal material.
Open Access
Calcium phosphorus levels for developing boars
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:57:40Z) Greer, J.G.; Davis, Duane L.; Hines, Robert H.; davis
Forty-two boars averaging 67 lbs. were used to study how various levels of calcium and phosphorus in their feed affected their development. Calcium-to phosphorus ratios of 1.2 to 1 were maintained in all treatment diets, which ranged from a low of .55% calcium and .45% phosphorus to a high of 1.30% calcium and 1.05% phosphorus. Seven treatment groups were replicated three times. No significant differences were observed for average daily gain, feed efficiency, carcass length, and backfat. Based on this trial, it appears that 0.55% calcium and 0.45% phosphorus is adequate for optimum growth of developing boars.
Open Access
Restricting energy intake of gestating sows with 50% alfalfa meal ration
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:31:09Z) Allee, G.L.; Koch, B.A.; Hines, Robert H.
Gestating Yorkshire sows and gilts were randomly assigned to two dietary treatments immediately after a 25-day breeding season until females were brought to the farrowing house between 105-110th day of gestation. Sows and gilts fed the 50% alfalfa meal ration performed similarly to those fed the basal ration in regard to number of pigs farrowed, pigs weaned, and weights at birth, 14 and 28 days. The reduced caloric intake by sows fed 50% alfalfa meal was not detrimental to farrowing or reproductive performance.
Open Access
Iron dextran and iron dextran-gentamycin combined, compared as methods of preventing iron-deficiency anemia in neonatal pigs
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:30:16Z) Schoneweis, D.A.; Allee, G.L.
Giving an iron iron dextran-gentamycin combination to young pigs had no advantages over giving them iron dextran alone, as measured by hemoglobin levels, packed cell volumes, or weight (when 28 days old).
Open Access
Flavor enhancers and/or Vitamin C in growing-finishing rations
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07T15:30:06Z) Koch, B.A.; Allee, G.L.; Hines, Robert H.
Supplemental vitamin C fed at two different levels (550 or 1,100mg, per kg, of diet) did not improve animal performance at the swine research center. Adding apple flavor or sodium bicarbonate did not change results.
Open Access
Effect of choline supplementation to corn-soybean meal rations on pig performance
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:41:49Z) Allee, G.L.
Eight-four crossbred gilts initially averaging 8.2 kg. (18.0 lbs.) were used to evaluate the effects of supplemental choline to corns-soybean meal rations on pig performance. Four levels of choline were fed during each ration phase (starter, grower, finisher). The trial was terminated when pigs within a replicate averaged approximately 100 kg. (220lbs.). Supplemental choline had no significant effect on average daily gain or feed efficiency.
Open Access
Blended dried bakery product in swine finishing rations
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:41:38Z) Allee, G.L.
Eighty-four crossbred pigs averaging 43.6 kg. (95.9 lbs.) initially were used to evaluate the use of a blended dried bakery product (BDBP) in rations for finishing pigs. Replacing 0, 10, 20, or 30% of the sorghum in the basal ration with BDBP resulted in a small increase (0.06-0.08 lbs./ day) in average daily gain of the pigs and significantly improved their feed efficiency. Twenty percent BDBP appeared to give the best results; however, 30% had no adverse effects.
Open Access
Blended dried bakery product in swine starter rations
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:41:27Z) Allee, G.L.
A growth trial, a digestion trial, and a preference trial were conducted to evaluate a blended dried bakery product (BDBP) as an ingredient in swine starter rations. Replacing 0, 10, 20, or 30% corn with BDBP had no effect on average daily gain or feed efficiency. When given a choice, pigs preferred a ration containing 20% BDBP. The energy and protein digestibilities in BOBP were 91.5% and 87.88%, respectively.
Open Access
Use of oats and fat in swine grower rations
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:41:12Z) Hines, Robert H.
Two feeding trials involving 112 Yorkshire weaned pigs (25 lbs.) were conducted to study the use of oats and fat in grower rations. Adding 3% fat (soy oil) to the fortified corn-soybean control ration reduced daily feed intake, but improved feed efficiency. Incorporating 40% oats in a fortified corn-soybean meal grower ration resulted in similar pig performance for rate of gain, daily feed intake, and feed efficiency even though the ration contained 6.5% fiber. Pigs fed a diet containing 40% oats and 5% fat gained 5% faster and were 10% more efficient than pigs fed the control ration.
Open Access
Performance of young pigs as affected by energy density of and method of adding fat to rations
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:40:59Z) Allee, G.L.
One hundred twenty-six crossbred pigs averaging 11.7 kg. (25.7 lbs.) were used to determine the effects of energy density (added fat or fiber) and calorie-protein, calorie-lysine, and calorie-nutrient ratios of rations on pig performance. The basal sorghum-soybean meal ration contained 16.0% crude protein, 0.80% lysine, 0.70% calcium, and 0.60% phosphorus. Soybean oil was the fat source and cellulose the fiber source. Adding 6% fat and maintaining a constant calorie-lysine, calorie-protein, or calorie-nutrient ratio increased (P<.05) average daily gain and improved (P<.05) feed efficiency, compared with gain and efficiency of pigs fed the basal ration. Pigs fed rations containing 6% fiber had similar average daily gain and feed efficiency as did pigs feed the basal ration.
Open Access
Effect of grain source and 0 or 4% added fat on performance of finishing pigs
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:40:49Z) Allee, G.L.
Seventy-two crossbred finishing pigs averaging 55.9 kg. (123.0 lbs.) were used (in a 3 x 2 factorial design) to compare performance when fed sorghum, corn, or wheat with 0 or 4% added fat (tallow). There were no significant differences in average daily gain or feed efficiency among pigs fed sorghum, corn, or wheat. Adding 4% fat (to each grain ration) resulted in a slight improvement in gain and an improved feed efficiency. Pigs fed wheat with 4% fat added showed The greatest improvement in daily gain and feed efficiency.
Open Access
Rations containing sorghum, corn, or wheat with 0 or 4% added fat for weaned pigs
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-06T18:40:38Z) Allee, G.L.
One hundred eight crossbred, weaned pigs averaging 10.0ks (22.1 lbs.) were used to compare rations containing sorghum, corn, or wheat with 0 or 4% added fat (tallow) on performance of young pigs. There were no significant differences in average daily gain or feed efficiency among pigs fed sorghum, corn, or wheat with no added fat; and adding 4 % fat to the rations did not affect gain but did result in a slight improvement in feed/gain.