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Kansas Agricultural Experiment Station Research Reports

1986

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Articles 1 - 30 of 91

Full-Text Articles in Life Sciences

Adding Fat To Sow Lactation Diets: Effect On Sow And Litter Performance (1986), D Keesecker, B Wolf, Michael D. Tokach, Jim L. Nelssen Jan 1986

Adding Fat To Sow Lactation Diets: Effect On Sow And Litter Performance (1986), D Keesecker, B Wolf, Michael D. Tokach, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

An on-farm experiment was conducted utilizing 189 sows to evaluate the effect of adding 396 soybean oil to the lactational diet on subsequent pig performance and sow weight loss. Feeding sows a diet containing 3% soybean oil during lactation did not significantly decrease sow weight loss or improve litter performance. However, the oil addition tended to increase individual pig weaning weight (.5 Ib), litter weaning weight (3 lb), and sow feed intake (.5 lb/day) compared to feeding a 14% crude protein milo-soybean meal diet. Also, sow lactational weight loss was slightly reduced wit h the diet containing oil. Calculated metabolizable …

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Effect Of Dietary Addition Of Dried Whey And/Or Copper Sulfate On Starter Pig Performance (1986), R C. Thaler, M E. Johnston, G L. Allee, Jim L. Nelssen, Robert D. Goodband Jan 1986

Effect Of Dietary Addition Of Dried Whey And/Or Copper Sulfate On Starter Pig Performance (1986), R C. Thaler, M E. Johnston, G L. Allee, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

Two 35-day trials involving 504 pigs were conducted to determine the efficacy of dietary supplementation of copper sulfate (CuS04) and/or dried whey to corn-soybean meal starter pig diets (1.25% lysine). Pigs were weaned at 21+3 days and ranged in average initial weight from 8.1 to 19.2 lbs. In trial 1, CuSO4 addition of either 0 or 250 ppm were made to diets containing 0, 10, and 20% extra-grade dried whey. At both 2 and 5 weeks, average daily gain (ADG), average daily feed intake (ADFI), and feed efficiency (F/G) improved linearly (P<.05) with increasing whey levels. Also, CuSO4 additions of 250 ppm increased ADG and ADFI (P<.05) at 2 and 5 weeks. The six dietary treatments in trial 2 consisted of a negative control (no CuSO4 or dried whey), and five other diets containing 250 ppm CuS04: with graded levels of dried whey (0, 5, 10, 15, and 20%). Dried whey additions linearly increased ADG and ADFI at both 2 and 5 weeks (P<.05), whereas F/G at 2 and 5 weeks was optimized at the 5% dried whey level. Copper sulfate supplementation improved ADG and F/G at 5 weeks (P<.05). These results suggest that CuS04 additions are beneficial for starter pig performance, and the 5% dried whey addition gave starter pig performance equal to that with 20% dried whey addition, when CuSO4 was present in both diets.; Swine Day, Manhattan, KS, November 20, 1986

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Evaluation Of Soybean Oil Additions In Starter Pig Diets (1986), R C. Thaler, M E. Johnston, G L. Allee, Jim L. Nelssen, Robert D. Goodband Jan 1986

Evaluation Of Soybean Oil Additions In Starter Pig Diets (1986), R C. Thaler, M E. Johnston, G L. Allee, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

Two trials involving 420 weanling pigs (21+3 d) were conducted to determine the effects of additions of soybean oil (SO) on starter pig performance. Soybean oil additions of either 0, 1, 2, 3, 4, or 5% were made to the 1.25% lysine corn-soybean meal-dried whey basaI diet. In each trial, there were 7 pigs/pen and 5 replications. Data from the two trials were pooled except for feed efficiency (F/G) at 2-weeks, where a trial x treatment interaction existed. Average daily gain (ADG) and average daily feed intake (ADFI) were not affected by SO additions at 2 weeks but gains were …

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Effects Of Compudose® Implants From Birth To Slaughter On Carcass And Meat Traits Of Young Bulls And Steers, T.D. Hopkins, Michael E. Dikeman Jan 1986

Effects Of Compudose® Implants From Birth To Slaughter On Carcass And Meat Traits Of Young Bulls And Steers, T.D. Hopkins, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Implanting young bulls with Compudose® three times from birth to slaughter resulted in performance similar to that of nonimplanted bulls, but decreased masculinity development. Implanted bulls tended to have higher marbling scores, more tender meat, more youthful carcasses, and lighter lean color than nonimplanted bulls. Although both implanted and nonimplanted bulls were more efficient and gained faster in the feedlot than implanted steers, the steers showed very little carcass masculinity and had finer-textured lean. Implanted steers had more youthful carcasses and lower Warner-Bratzler shear values than nonimplanted bulls. However, nonimplanted bulls grew faster, were more efficient, had larger ribeyes and …

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Effects Of Castration, Dehorning, Frame Size, And Gut Fill On The Long-Term Performance Of Feeder Calves, F.K. Brazle, R.R. Schalles Jan 1986

Effects Of Castration, Dehorning, Frame Size, And Gut Fill On The Long-Term Performance Of Feeder Calves, F.K. Brazle, R.R. Schalles

Kansas Agricultural Experiment Station Research Reports

In two experiments, calves purchased as steers gained substantially faster than calves purchased as bulls and then castrated, during both the starting period and the subsequent growing period. Large-framed calves gained .22 lb per day faster, and small-framed calves .21 lb per day slower, than medium-framed calves. Cattle appearing gaunt at the start of the trial gained 1.33 lb per day less than those with average gut fill.

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Weight Changes And Estrous Cycles After Abortion In Beef Heifers, J.M. Wright, G.H. Kiracofe Jan 1986

Weight Changes And Estrous Cycles After Abortion In Beef Heifers, J.M. Wright, G.H. Kiracofe

Kansas Agricultural Experiment Station Research Reports

Ninety-one pregnant, crossbred Angus heifers aborted after receiving an injection of a prostaglandin analog at an average of 50, 75, 100, or 122 days of gestation. Weight change in the first 3 weeks after abortion and subsequent estrous cycles were observed. No detrimental effects were noted in those heifers aborting at 50 or 75 days of gestation, and growth rate was not altered. Those heifers aborting at 100 days of gestation exhibited a decreased growth rate; those aborted at 122 days lost weight. There was more udder development, vaginal discharge, and retained membranes in heifers aborted later in gestation. Typically, …

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Comparison Of 36 Mg And 72 Mg Ralgro® For Suckling Steer Calves, D.D. Simms Jan 1986

Comparison Of 36 Mg And 72 Mg Ralgro® For Suckling Steer Calves, D.D. Simms

Kansas Agricultural Experiment Station Research Reports

In a study in which 525 Simmental-cross steer calves were assigned to five implant treatments in four trials, 72 mg Ralgro® implants failed to increase performance significantly over' conventional 36 mg implants.

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Effect Of Thiabendazole On Gains Of Stockers Grazing 50% Endophyte Fungus-Infected, Tall Fescue Pastures, F. Brazle Jan 1986

Effect Of Thiabendazole On Gains Of Stockers Grazing 50% Endophyte Fungus-Infected, Tall Fescue Pastures, F. Brazle

Kansas Agricultural Experiment Station Research Reports

Thiabendazole (TBZ®) wormer pellets were added to either a mineral or grain mix in two experiments with steers grazing 50% endophyte fungus-infected, tall fescue pastures. Research from other stations has suggested that TBZ® partially overcomes the toxicity of endophyte fungus. In our experiments, steers received .2 g of TBZ® per 100 lb body weight per day, but daily gain was not improved during the grazing period.

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Effect Of Moisture, Bale Type, And A Preservative On Alfalfa Hay Quality And Feeding Value, A. Laytimi, J. Arledge, C. Grimes, K. Bolsen Jan 1986

Effect Of Moisture, Bale Type, And A Preservative On Alfalfa Hay Quality And Feeding Value, A. Laytimi, J. Arledge, C. Grimes, K. Bolsen

Kansas Agricultural Experiment Station Research Reports

In the first of two alfalfa hay experiments, lambs fed small bale hays averaged 16% better gains and feed conversions than those fed large bale hays; Fresh Cut®-treated hay gave 9% better performance than untreated hays; and medium-moisture hays produced 12% faster and more efficient gains than low-moisture hays. In the second experiment, hay baled above 30% moisture had excessive heating, more discoloration and mold growth, higher storage losses, and lower dry matter and protein digestibilities compared with 15% moisture hay.

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Supplementing Day-Old Pigs With Bovine Colostrum Or Milk Replacer (1986), C Bandyk, Robert H. Hines Jan 1986

Supplementing Day-Old Pigs With Bovine Colostrum Or Milk Replacer (1986), C Bandyk, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Seventy-five litters of newborn pigs from gilts were given either 20 cc of bovine colostrum or 20 cc of milk replacer through a stomach tube, and their weaning weight, scouring, and survival were compared with those of newborn pigs that were not treated. Results were broken down by birth weight groups: small-less than 2.3 lb.; medium-2.3 to 2.9 lbs.; large-3.0 lbs. and over. No significant differences in weaning weights were observed from treatment. Nontreated pigs tended to scour more than pigs treated with bovine colostrum but this difference was not statistically significant, partly because of the variation in the incidence …

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Effects Of Farm Origin And Respiratory Disease On Pig Performance (1986), W H. Turlington, P F. Maxson, G L. Allee, S Potter, Jim L. Nelssen Jan 1986

Effects Of Farm Origin And Respiratory Disease On Pig Performance (1986), W H. Turlington, P F. Maxson, G L. Allee, S Potter, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Slaughter checks were conducted on 392 pigs from 9 producers to evaluate factors affecting pig performance, based on the age of the pig and its health status. Among herds, weight per day of age ranged from 1.07 to 1.32 lb/day, whereas days to 230 lb varied from 172 to 214 days. Based on statistical analysis, differences among farms accounted for 40% of the total variation in pig performance, whereas respiratory disease accounted for 20%. From our data, it was concluded that management is the major factor controlling pig performance, yet the health status of the animal is also a contributing …

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The Effects Of Barley Particle Size On Finishing-Pig Performance (1986), Robert D. Goodband, Robert H. Hines Jan 1986

The Effects Of Barley Particle Size On Finishing-Pig Performance (1986), Robert D. Goodband, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Two trials utilizing 280 finishing pigs were conducted to evaluate the effects of barley particle size on finishing-pig performance. In Experiment 1, pigs fed barley ground through a hammermill with a 1/8-in screen were not different in average daily gain (ADG) or feed efficiency (F/G) from pigs fed a milo-based diet ground through a 3/16-in screen. Pigs fed either 3/16 or 1/4-in ground barley grew slower and were less efficient (P<.02) than those fed either the milo or finely ground barley diet. Experiment 2 was conducted in a similar manner, with the exception that mill run barley was used instead of a specific variety. In Experiment 2, ADG and average daily feed intake (ADFI) were not different between dietary treatments. This response resulted in a trial x treatment interaction for these criteria. Results for feed efficiency were similar to those in Experiment 1; pigs fed 3/16 or 1/4-in ground barley diets were less efficient (P<.02) than those fed l/8-in ground barley or 3/16-in ground milo. These results suggest that the variety of barley is an important criteria in determining feeding value for finishing-pigs, and that reducing particle size of the diet by fine grinding improves feed efficiency.; Swine Day, Manhattan, KS, November 20, 1986

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Effects Of Preweaning And Post Weaning Implants On Suckling, Growing, And Finishing Steer Performance, D.D. Simms, R.W. Lee, S.B. Laudert, James J. Higgins Jan 1986

Effects Of Preweaning And Post Weaning Implants On Suckling, Growing, And Finishing Steer Performance, D.D. Simms, R.W. Lee, S.B. Laudert, James J. Higgins

Kansas Agricultural Experiment Station Research Reports

One hundred and ninety-five crossbred steers were used to compare lifetime implant strategies and study the effects of implanting during the suckling period on performance in the growing and finishing periods. There were no differences in growing period gains when both groups were implanted in the suckling period and the growing period. However, steers implanted in the suckling period but not implanted in the growing period had significantly lower gains than all other treatments including controls. Steers implanted only in the growing period had better feed efficiency in the growing period than both controls and steers implanted only in the …

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Bacteriological And Histopathological Investigations Of Liver Abscesses, K.F. Lechtenberg, H.W. Leipold, Tiruvoor G. Nagaraja Jan 1986

Bacteriological And Histopathological Investigations Of Liver Abscesses, K.F. Lechtenberg, H.W. Leipold, Tiruvoor G. Nagaraja

Kansas Agricultural Experiment Station Research Reports

Fusobacterium necrophorum was the predominant bacterial isolate from 49 liver abscesses. Biotype A tended to occur in pure infections and produced a more severe tissue reaction than biotype B, which tended to occur as a mixed infection.

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Evaluation Of An Experimental Silage Inoculant In Laboratory And Farm Silos Using Alfalfa And Forage Sorghum, K. Bolsen, R. Smith, H. Ilg, Daniel Y.C. Fung Jan 1986

Evaluation Of An Experimental Silage Inoculant In Laboratory And Farm Silos Using Alfalfa And Forage Sorghum, K. Bolsen, R. Smith, H. Ilg, Daniel Y.C. Fung

Kansas Agricultural Experiment Station Research Reports

An experimental microbial inoculant dramatically increased the speed of pH drop and rate and amount of lactic acid production in alfalfa at both 60 and 90 F storage temperatures. In two trials with forage sorghums, the inoculant did not affect the silage fermentation at 60 F but it did produce small improvements in silages at 90 F. In general, sorghum silages at 60 F fermented slower and had high pH values, lower lactic acid, and higher acetic acid contents than silages at 90 F. The response to the additive in a farm silo trial was not consistent for the criteria …

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Endocrine Changes In Sows In Response To Altered Suckling And Boar Exposure (1986), E A. Newton, Jeffrey S. Stevenson, J Ernest Minton, Duane L. Davis Jan 1986

Endocrine Changes In Sows In Response To Altered Suckling And Boar Exposure (1986), E A. Newton, Jeffrey S. Stevenson, J Ernest Minton, Duane L. Davis

Kansas Agricultural Experiment Station Research Reports

Eighteen sows were treated as follows: 1) 10 multiparous and four primiparous sows were separated from their litters for 6 hr/day and exposed to a mature boar for 1 hr/day during the last 8 days of lactation, and 2) four sows (two multiparous and two primiparous) served as untreated controls during lactation. Blood was collected from sows during treatment and after weaning, and various hormones were measured. Altered suckling induced higher concentrations of luteinizing hormone (LH) that caused multiparous sows to show estrus (10/10) during lactation. Younger treated sows had similar increases in LH, but had higher follicle-stimulating hormone (FSH) …

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Best Weight To Market Hogs? (1986), Robert H. Hines Jan 1986

Best Weight To Market Hogs? (1986), Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

One of the important, recurring decisions that each hog producer must make is the weight at which to sell hogs. The decision to sell hogs may be influenced by cost and availability of feed, anticipated market hog price changes, weather conditions, overcrowding or need for facilities, or the need for cash for unpaid bills. All of these factors play an intricate role in the decision to market; however, the choice of when to sell may also influence production costs, price received, and carcass quality.; Swine Day, Manhattan, KS, November 20, 1986

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Additive-Treated Corn Silage For Growing Cattle, K. Bolsen, R. Smith, H. Ilg, D. Axe Jan 1986

Additive-Treated Corn Silage For Growing Cattle, K. Bolsen, R. Smith, H. Ilg, D. Axe

Kansas Agricultural Experiment Station Research Reports

The response of corn silage to the additive, Silo-Best Soluble®, was not consistent for the farm silo criteria measured. Ensiling temperatures and chemical compositions were similar for control and treated silages, except for ethanol, which was lower in the treated silage. Dry matter recovery favored the treated silage in both the top and bottom halves of the silos and in buried bags. Although daily gains were similar for calves fed control and treated silages, feed conversion was slightly better for those fed control silage.

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Heterosis In Simmental Angus Rotational-Cross Calves, L.A. Kriese, R.R. Schalles, Lyle W. Lomas Jan 1986

Heterosis In Simmental Angus Rotational-Cross Calves, L.A. Kriese, R.R. Schalles, Lyle W. Lomas

Kansas Agricultural Experiment Station Research Reports

Heterosis estimates were determined for gestation length, birth weight, and yearling weight using a two-breed rotational crossbreeding system with Angus and Simmental cattle. Heterosis for gestation length was -.3%; birth weight, 8.31%; weaning weight 5.05%, and yearling weight, 5.39%. Angus-sired calves from Simmental darns were significantly heavier at weaning and as yearlings than the reciprocal cross.

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1986 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, G. M. Paulsen, J. L. Moyer, D. W. Sweeney Jan 1986

1986 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, G. M. Paulsen, J. L. Moyer, D. W. Sweeney

Kansas Agricultural Experiment Station Research Reports

Research on crops, beef cattle, and related topics at the Southeast Kansas Branch Station.

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Growth, Carcass And Boar-Odor Traits In Male Pigs Fed Altrenogest (1986), Jeffrey S. Stevenson, E F. Kluber Iii, J Ernest Minton, Duane L. Davis, Melvin C. Hunt, D S. Pollmann, Jim L. Nelssen Jan 1986

Growth, Carcass And Boar-Odor Traits In Male Pigs Fed Altrenogest (1986), Jeffrey S. Stevenson, E F. Kluber Iii, J Ernest Minton, Duane L. Davis, Melvin C. Hunt, D S. Pollmann, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to examine the effects of a synthetic progestogen (altrenogest) on growth and carcass characteristics of boars. Altrenogest inhibited both the growth of the testes and the pubertal rise in testosterone that is associated with maleness. Growth rate, feed intake, and feed/gain were unaffected by feeding altrenogest in both experiments; however, in Exp. 2. growth rate and feed intake during the 4-wk withdrawal of altrenogest were less than those in the control boar or barrow groups. These changes appeared to be related to marked mounting activity of boars beginning 5 days after withdrawal of altrenogest from the …

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Flushing Affects Secretion Of The Hormones Controlling Reproduction (1986), M T. Rhodes, J Ernest Minton, Jeffrey S. Stevenson, Duane L. Davis Jan 1986

Flushing Affects Secretion Of The Hormones Controlling Reproduction (1986), M T. Rhodes, J Ernest Minton, Jeffrey S. Stevenson, Duane L. Davis

Kansas Agricultural Experiment Station Research Reports

Nineteen gilts were assigned to receive either 0 or 15 mg altrenogest/day for 14 consecutive days. On the day corresponding to the last altrenogest treatment, gilts not fed altrenogest were injected twice (morning and evening) with prostaglandin F2 a to ensure regression of their corpora lutea. From the ninth day of altrenogest treatment until estrus, one-half of each altrenogest group was offered an additional 3.4 lb of ground sorghum grain (flush). Serial blood samples were collected for a 4-h period each day from day 1 through day 4 (last altrenogest or prostaglandin F a treatment was day 0) and analyzed …

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Testicular Development And Endocrine Function In Boars Fed Altrenogest (1986), E F. Kluber Iii, J Ernest Minton, Jeffrey S. Stevenson, Duane L. Davis Jan 1986

Testicular Development And Endocrine Function In Boars Fed Altrenogest (1986), E F. Kluber Iii, J Ernest Minton, Jeffrey S. Stevenson, Duane L. Davis

Kansas Agricultural Experiment Station Research Reports

Crossbred male pigs were used to evaluate the influence of a synthetic progestogen on reproductive development. Concentrations of luteinizing hormone (LH) and testosterone in blood serum were reduced while boars were being fed altrenogest (15 to 21 wk of age). At 25 wk of age (4 wk after withdrawal from altrenogest), weights of the testes and accessory reproductive glands and testicular content of sperm were reduced in boars that had been fed altrenogest. However, testicular weight and content of sperm had returned to control values following 12 wk after withdrawal from altrenogest. In addition, concentration of LH and testosterone in …

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Effect Of Decoquinate On Gain And Health Of Newly-Arrived Stocker Cattle, F. Brazle Jan 1986

Effect Of Decoquinate On Gain And Health Of Newly-Arrived Stocker Cattle, F. Brazle

Kansas Agricultural Experiment Station Research Reports

Decoquinate (Deccox®), when added to the diet of newly-arrived calves, reduced (P<.05) the number of treatments required per animal in three experiments involving 551 cattle. Feed conversion was improved in two of the three experiments and average daily gain was increased (P<.05) in one experiment when Deccox® was fed. Steer calves gained faster (P<.001) and required fewer (P<.01) treatments per head than bulls calves castrated on arrival. Black, medium-framed calves required fewer (P<.05) treatments than other breed types.

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Reproductive Performance Of Angus X Hereford And Brahman X Hereford Heifers Fed To Prebeeding Target Weights, D.J. Patterson, L.R. Corah, D.D. Simms, J.R. Brethour, W.R. Negus Jan 1986

Reproductive Performance Of Angus X Hereford And Brahman X Hereford Heifers Fed To Prebeeding Target Weights, D.J. Patterson, L.R. Corah, D.D. Simms, J.R. Brethour, W.R. Negus

Kansas Agricultural Experiment Station Research Reports

Heifer development as effected by nutrition was evaluated in 148 F Angus x Hereford (A x H) and 148 F Brahman x Hereford (B x H) heifers. Heifers within each breed cross were assigned to one of two energy levels and weight groups. Heifers on the low and high energy-level diets were fed to reach 55 or 65%, respectively, of their projected mature body weights by the start of spring breeding. A higher (P<.05) percentage of A x H heifers had reached puberty by the start of spring breeding; however, their average age at puberty was greater (P<.05) than that of B x H heifers. Weight at puberty, for heifers that cycled prior to the start of spring breeding, did not differ between breed groups. Weight of heifers at puberty was greater with the high-energy than with the low-energy diets. Prebreeding body condition scores of heifers on the two energy levels differed (P<.05) more among the A x H females. The A x H heifers had higher (P<.05) fall pregnancy rates than the B x H heifers (89.2 vs 71.9%). Energy level has no significant effect on fall pregnancy rate of A x H heifers, but B x H heifers on the high-energy level had a higher (P<.05) pregnancy rate than those on the low-energy diet.

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Effect Of Single Ralgro® Implant During The Suckling Period On Reproductive Performance Of Replacement Heifers, T.B. Goehring, L.R. Corah, D.D. Simms Jan 1986

Effect Of Single Ralgro® Implant During The Suckling Period On Reproductive Performance Of Replacement Heifers, T.B. Goehring, L.R. Corah, D.D. Simms

Kansas Agricultural Experiment Station Research Reports

One hundred and seven spring-born, crossbred heifers were used to determine the effect of a single Ralgro® implant on their reproductive performance. Three implant treatments were used: 1) Non-implanted controls, 2)36 mg Ralgro® at birth, or 3) 36 mg Ralgro® at 2 to 3 months of age. Heifers implanted at birth had significantly lower first service conception rates and overall pregnancy rules than non-implanted controls or those implanted at 2 to 3 months of age. Pelvic areas of yearling were increased by implanting at birth or 2 to 3 months of age. Age at puberty and the percentage of heifers …

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Beef Cattle Systems Analysis, R.R. Schalles Jan 1986

Beef Cattle Systems Analysis, R.R. Schalles

Kansas Agricultural Experiment Station Research Reports

For cattle producers to stay in business, they must apply the business management techniques used by sophisticated non-agricultural enterprises. Among these techniques is systems analysis, in which formulas representing interrelationships between various inputs are built into a computer program. The program simulates expected results, based on available information.

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Effect Of Combinations Of Rumen-Protected Methionine Plus Rumen-Protected Lysine On Performance Of Finishing Steers, G. Goldy, Jack G. Riley, Ronald V. Pope Jan 1986

Effect Of Combinations Of Rumen-Protected Methionine Plus Rumen-Protected Lysine On Performance Of Finishing Steers, G. Goldy, Jack G. Riley, Ronald V. Pope

Kansas Agricultural Experiment Station Research Reports

Feed efficiency for finishing steers was significantly improved (7.4%) when rumen-protected methionine and lysine were added to a finishing ration.

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Effect Of Variety, Location, And Irrigation On Selected Criteria For Evaluating Wheat As A Feed For Ruminants, G. Goldy, Andrew William Lenssen, T. Walters, Jack G. Riley, Gerry L. Posler Jan 1986

Effect Of Variety, Location, And Irrigation On Selected Criteria For Evaluating Wheat As A Feed For Ruminants, G. Goldy, Andrew William Lenssen, T. Walters, Jack G. Riley, Gerry L. Posler

Kansas Agricultural Experiment Station Research Reports

There were no significant differences in in vitro digestibility between wheat varieties, but there was a trend for differences due to locations. Location differences were much wider for test weight, 1000 kernel weight, hardness score and crude protein level than variety differences. Wheat from irrigated plots had higher grain yields and crude protein content, but lower test weights, 1000 kernel weight, and hardness values than wheat from fallow plots at the same location. There were no differences in digestibilites between fallow and irrigated wheat.

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Comparative Nutritional Composition Of Selected Grain Sorghum Varieties, G. Goldy, T. Walters, Andrew William Lenssen, Jack G. Riley, Gerry L. Posler Jan 1986

Comparative Nutritional Composition Of Selected Grain Sorghum Varieties, G. Goldy, T. Walters, Andrew William Lenssen, Jack G. Riley, Gerry L. Posler

Kansas Agricultural Experiment Station Research Reports

For the 188 grain sorghum varieties studied, in vitro digestibilites were statistically similar, but there was a significant difference between the 12 production locations. Crude protein, calcium, and phosphorus levels indicated slight varietal differences; however, strong locational effects were evident.

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