Age, Growth, Length-Weight Relationship And Reproduction Of The Striped Seabream (Lithognathus Mormyrus L., 1758) (Sparidae) In The Beymelek Lagoon (Antalya, Turkey), Yilmaz Emre, İsmet Balik, Çeti̇n Sümer, D. Aytuğ Oskay, H. Özgür Yeşi̇lçi̇men
Turkish Journal of Zoology
Age, growth, length-weight relationship and reproduction were investigated for striped seabream (Lithognathus mormyrus L., 1758) collected from Beymelek Lagoon (Antalya, Turkey) between February 2006 and January 2007. The ages of striped seabream ranged from 0 to 3 years for males and from 0 to 4 years for females. Their total lengths and weights ranged between 14.4 and 26.4 cm and 42 and 297 g for males and 14.3 and 27.4 cm and 40 and 329 g for females, respectively. The growth parameters of the von Bertalanffy equation were: L_{\infinity} = 28.3 cm, K = 0.456 year^{-1} and t_0 = -1.859 …
Length-Weight Relationships Of Marine Fishes Off Yumurtalık Coast (İskenderun Bay), Turkey,
2010
TÜBİTAK
Length-Weight Relationships Of Marine Fishes Off Yumurtalık Coast (İskenderun Bay), Turkey, Gökhan Gökçe, Mustafa Çeki̇ç, Hali̇t Fi̇li̇z
Turkish Journal of Zoology
In this study, length and weight data are presented for 33 fish species inhabiting littoral habitats off the Yumurtalık coast. Samples were collected with combined gill and trammel nets. Parameters of the length-weight relationships were estimated for 14 species. The b values ranged between 2.35 and 3.53. For remained 19 species, the parameter a was estimated by setting b = 3.0.
Cytogenetic Analysis Of Pseudophoxinus Antalyae, Bogustkaya, 1992 (Pisces: Cyprinidae) From The Eastern Mediterranean River Basin, Turkey, Serap Ergene, Arzu Karahan, Mustafa Kuru
Turkish Journal of Zoology
The karyotype of Pseudophoxinus antalyae was analyzed using G-banding, C-banding, Ag-NOR staining, and Q-banding. Chromosome analysis of this species, which lives in the Berdan River and Berdan Dam Lake, was performed with the air-drying technique, using gill and fin epithelium cells. The diploid chromosome number of P. antalyae was determined to be 2n = 50, comprising 16 metacentric, 14 submetacentric, 12 subtelocentric, and 8 acrocentric (NF = 92) chromosomes. The largest chromosome pair of the complements was characteristically a submetacentric. The nucleolar organizer regions (NORs) were apparently located in subtelocentric chromosome pairs. The karyotype of P. antalyae is reported for …
Observational Learning In Wild And Captive Dolphins,
2010
Sacred Heart University
Observational Learning In Wild And Captive Dolphins, Deirdre Yeater, Stan A. Kuczaj Ii
Psychology Faculty Publications
Many non-human species imitate the behavior of others, and dolphins seem particularly adept at this form of observational learning. Evidence for observational learning in wild dolphins is rare, given the difficulty of observing individual wild animals in sufficient detail to eliminate other possible explanations of purported imitation. Consequently, much of the evidence supporting observational learning in dolphins has involved animals in captive settings. This research suggests that dolphins have an affinity for mimicry, and that they are more successful at observational learning if they choose to imitate another rather than being asked to do so. These results, combined with those …
Lipid And Ndf Analysis Of Ethanol Byproduct Feedstuffs,
2010
University of Nebraska-Lincoln
Lipid And Ndf Analysis Of Ethanol Byproduct Feedstuffs, Virgil R. Bremer, Crystal D. Buckner, Andrew W. Brown, Timothy P. Carr, Ruth M. Diedrichsen, Galen E. Erickson, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
A newly developed biphasic feed lipid extraction procedure has increased accuracy relative to Goldfisch ether extraction, especially for condensed corn distillers solubles samples. A pre-NDF fat extraction must be completed prior to analyzing high fat feeds for NDF. Corn should be ground through a 1-mm screen on a Tecator Cyclotec sample mill to accurately determine corn NDF content.
Metabolism Characteristics Of Feedlot Diets Containing Different Fat Sources,
2010
University of Nebraska-Lincoln
Metabolism Characteristics Of Feedlot Diets Containing Different Fat Sources, Virgil R. Bremer, Kelsey Rolfe, Crystal D. Buckner, Galen E. Erickson, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
A metabolism trial was conducted to evaluate the effects of dietary fat source on the metabolism characteristics of feedlot steers fed 8.5% fat (7% fatty acids) diets. Steers fed condensed corn distillers solubles (CCDS) had lower average pH and greater DM digestibility than those fed corn oil, tallow, or WDGS. Steers fed CCDS also had greater fat and fatty acid digestibility than corn and corn oil fed steers and greater NDF digestibility than corn oil or tallow fed steers. Although CCDS fat is similar to corn oil, the two feeds are digested differently. The omasal fatty acid profile of steers …
Factors Associated With Feed Intake Of Angus Steers,
2010
University of Nebraska-Lincoln
Factors Associated With Feed Intake Of Angus Steers, Marco G. Dib, Jeremy F. Taylor, Robert D. Schnabel, L. Dale Van Vleck
Nebraska Beef Cattle Reports
Estimates of variance components and heritability of average daily feed intake (AFI) and residual feed intake (RFI) were obtained using an animal model. Data were from 475 Angus steers raised and fed at the Circle A Ranch (Iberia, Mo.). Pedigree files were provided by the American Angus Association. Estimates of heritability after adjustment for average daily gain (ADG) were 0.56 and 0.60 for AFI and RFI. Selection for feed intake (FI) should be effective if FI records are available. Feed intake needs to be adjusted for age and weight on test. Carcass measurements (fat thickness and rib eye muscle area) …
Effect Of Calving Season And Wintering System On Cow Performance,
2010
University of Nebraska-Lincoln
Effect Of Calving Season And Wintering System On Cow Performance, William A. Griffin, Don C. Adams, Leslie Aaron Stalker, Richard N. Funston, Jacqueline A. Musgrave, Terry J. Klopfenstein, Galen E. Erickson
Nebraska Beef Cattle Reports
Four years of data from three different calving seasons and two different cow wintering systems were evaluated utilizing 218 cows/year. Cows calved in spring, summer, or fall and were wintered on native Sandhills range or cornstalks. Calving season affected cow body weight (BW) and body condition score (BCS) throughout the production year; calving in the fall reduced number of calves weaned per cow. No differences were observed between cows wintered on Sandhills range and those wintered on cornstalks.
Acid Marination For Tenderness Enhancement Of The Beef Bottom Round,
2010
University of Nebraska-Lincoln
Acid Marination For Tenderness Enhancement Of The Beef Bottom Round, Jeremy H. Hinkle, Chris R. Calkins, Amilton S. De Mello Jr., Lasika S. Senaratne, Siroj Pokharel
Nebraska Beef Cattle Reports
Two experiments were conducted to evaluate acid marination to enhance tenderness of the beef bottom round (m. biceps femoris). Both experiments consisted of 3 acid types (acetic, lactic, and citric) and two concentrations (0.1 and 0.5 M in Exp. 1; 0.75 and 1.5 M in Exp. 2). There were no effects of acid marination on beef tenderness in Exp. 1, although lightness (L*) increased and redness decreased from 0 to 8 hours post-marination. Acetic and lactic acid (0.75 or 1.5 M) improved shear force values above those achieved by citric acid. Both lightness and redness permanently decreased in Exp. 2. …
Tympanic Temperature Profiles Of Confined Beef Cattle,
2010
University of Nebraska-Lincoln
Tympanic Temperature Profiles Of Confined Beef Cattle, Terry L. Mader, Leslie J. Johnson
Nebraska Beef Cattle Reports
Angus crossbred yearling steers were used to evaluate tympanic temperature (TT) profile of cattle displaying high, moderate, or low levels of heat stress. Data indicate cattle that do not adequately cool down at night are prone to greater body temperatures during a subsequent hot day. Cattle that are prone to displaying moderate levels of heat stress but can cool at night will maintain average tympanic temperatures at or near those of cattle that tend to consistently maintain lower peak tympanic temperatures. In addition, during cooler and moderately hot periods, cattle change TT in a stair-step or incremental pattern, while under …
Supplementing Wet Distillers Grains Mixed With Low Quality Forage To Grazing Cow/Calf Pairs,
2010
University of Nebraska - Lincoln
Supplementing Wet Distillers Grains Mixed With Low Quality Forage To Grazing Cow/Calf Pairs, Brandon L. Nuttelman, William A. Griffin, Terry J. Klopfenstein, Walter H. Schacht, Leslie Aaron Stalker, Jacqueline A. Musgrave, Jerry D. Volesky
Nebraska Beef Cattle Reports
Two studies were conducted over two years during the summer grazing season to determine the effect of grass intake when grazing cow/calf pairs were supplemented wet distillers grains (WDGS) with low quality forage. In 2007, a mixture of 45% WDGS and 55% grass hay was fed. In 2008, three blends of 50:50, 60:40, and 70:30 WDGS and wheat straw were fed. Supplemented cows and calves outgained non-supplemented groups in 2007. There were no differences in animal performance during 2008. Grazed forage intake was reduced by supplementing WDGS mixed with wheat straw without negatively affecting animal performance.
Comparison Of Feeding Wet Distillers Grains In A Bunk Or On The Ground To Cattle Grazing Native Sandhills Winter Range,
2010
University of Nebraska-Lincoln
Comparison Of Feeding Wet Distillers Grains In A Bunk Or On The Ground To Cattle Grazing Native Sandhills Winter Range, Jacqueline A. Musgrave, Leslie Aaron Stalker, Matthew C. Stockton, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
Two experiments determined the effects of feeding wet distillers grains with solubles (WDGS), either on the ground or in a bunk, to cattle grazing native Sandhills winter range. In Exp. 1, frequency of supplementation had no effect on cow body weight (BW) or body condition score (BCS). BCS and BW of cows fed in a bunk were improved compared to cows fed on the ground. In Exp. 2, steers fed in a bunk had greater average daily gain than steers fed on the ground. Feeding WDGS on the ground resulted in 13-20% waste and cost between$0.03 and $0.045 per day.
Extending Grazing In Heifer Development Systems Decreases Cost Without Compromising Production,
2010
University of Nebraska-Lincoln
Extending Grazing In Heifer Development Systems Decreases Cost Without Compromising Production, Daniel M. Larson, Andrea S. Cupp, Richard N. Funston
Nebraska Beef Cattle Reports
Three experiments compared heifer development in the dry lot, grazing either dormant winter range or corn crop residue. Grazing corn residue may reduce pre-breeding gain and in doing so increase age at puberty. Compared to dry lot development, grazing corn residue reduced AI pregnancy rate, but final pregnancy rate was similar for both development tsystems. Calf production and rebreeding efficiency were not affected by the development system. However, grazing corn residue during heifer development reduced cost compared to development in the dry lot. Developing heifers by grazing dormant forage does not affect final pregnancy rate and reduces cost, improving the …
Feeding Fiber From Wet Corn Gluten Feed And Corn Silage In Feedlot Diets Containing Wet Distillers Grains Plus Solubles,
2010
University of Nebraska - Lincoln
Feeding Fiber From Wet Corn Gluten Feed And Corn Silage In Feedlot Diets Containing Wet Distillers Grains Plus Solubles, Amy R. Rich, Matt K. Luebbe, Galen E. Erickson, Terry J. Klopfenstein, Joshua R. Benton
Nebraska Beef Cattle Reports
A feedlot experiment evaluated the effect of increasing fiber in distillers grains diets on ADG, F:G, and nutrient mass balance. The treatments consisted of 1) 30% modified distillers grains plus solubles, no roughage (MDGS), and 2) 30% modified distillers grains plus solubles, 30% wet corn gluten feed, and 15% corn silage (MDGS+fiber). The remainder of each diet consisted of a 1:1 ratio of high moisture corn and dry rolled corn and 5% supplement. Feeding MDGS+fiber increased (P < 80.02) ADG, DMI, and HCW; however, it did not improve F:G compared to MDGS. By increasing the fiber content of the diet, more organic matter (OM) and N remained in the manure. Percentage N loss was not different between dietary treatments; however, amount of N lost increased with MDGS + fiber due to the greater N intake and excretion.
Effects Of Using Wet Distillers Grains With Solubles To Adapt Cattle To Finishing Diets On Feed Intake, Ruminal Ph, And Ruminal Hydrogen Sulfide Concentration,
2010
University of Nebraska-Lincoln
Effects Of Using Wet Distillers Grains With Solubles To Adapt Cattle To Finishing Diets On Feed Intake, Ruminal Ph, And Ruminal Hydrogen Sulfide Concentration, Kelsey Rolfe, Galen E. Erickson, Terry J. Klopfenstein, Judson Vasconcelos
Nebraska Beef Cattle Reports
An adaptation strategy with wet distillers grains with solubles (WDGS) fed at decreasing levels (87.5 to 35%) was compared to a traditional grain adaptation with decreasing forage (45 to 7.5%) when adapting steers to a common finishing diet. Traditionally adapted steers had higher intake in steps one through three compared to steers adapted with distillers grains. However, DMI was not different between the two adaptation systems in step four, or when steers were on the finishing diet. Ruminal pH was higher for traditionally adapted steers compared to steers adapted to distillers grains in adaptation diets two and three. Ruminal hydrogen …
Routine Hedging Of Fed Cattle Sales Price For Calf-Fed And Yearling Production Systems,
2010
University of Nebraska-Lincoln
Routine Hedging Of Fed Cattle Sales Price For Calf-Fed And Yearling Production Systems, Rebecca M. Small, Darrell R. Mark, Terry J. Klopfenstein Klopfenstein
Nebraska Beef Cattle Reports
Short futures hedges in the Chicago Mercantile Exchange live cattle futures contract were evaluated to determine if profit variability could be decreased for calf-fed and yearling production systems. Results indicated standard deviations of calf-fed profits could be reduced by $35-$47/head through routine hedging. Routine hedges of yearling cattle, however, resulted in profit declining nearly $50/head, but profit variability also decreased.
Multiple Antimicrobial Interventions For The Control Of Escherichia Coli O157:H7 In Very Small Beef Processing Facilities,
2010
University of Nebraska-Lincoln
Multiple Antimicrobial Interventions For The Control Of Escherichia Coli O157:H7 In Very Small Beef Processing Facilities, Benjamin J. Williams, Dennis E. Burson, Bryce M. Gerlach Gerlach, Ace F. Van Dewalle, Harshavardhan Thippareddi
Nebraska Beef Cattle Reports
One-hundred and fifty beef carcasses from 3 very small beef processing plants were sponge sampled for aerobic plate count, generic E. coli, coliforms, Enterobacteriaceae, and E. coli O157:H7 before and after carcass intervention strategies. The control (C) treatment consisted of one 3% lactic acid (LA) wash applied at the end of slaughter, just prior to chilling. The multiple (M) intervention treatment received a 3% LA wash prior to evisceration, a hot water wash after carcass splitting and trimming, and a final LA wash just prior to chilling. The M treatment showed greater log reductions throughout the slaughter process prior to …
Distribution Of The Southeastern Shrew (Sorex Longirostris Longirostris) In Arkansas,
2010
University of Arkansas at Little Rock
Distribution Of The Southeastern Shrew (Sorex Longirostris Longirostris) In Arkansas, G. A. Mikel, Gary A. Heidt, David W. Clark
Journal of the Arkansas Academy of Science
The southeastern shrew (Sorex longirostris longirostris) is considered uncommon and, due to a lack of knowledge, a Species of Greatest Conservation Need in Arkansas. Also, eastern Arkansas may represent a gap in the species’ distribution. Therefore, we evaluated persistence at previous capture sites, surveyed additional counties, quantified microhabitat at our capture locations, and compiled occurrences. Since Sealander and Heidt’s (1990) Arkansas Mammals detailed its occurrence, additional captures by Huston and Nelson (1994), Showen (2006), and this study document new counties (Pope and Searcy) and a new ecoregion (Arkansas Valley). Number of specimens in Arkansas has increased to 17 in 11 …
Seasonal Activity Of The Ozark Highlands Leech, Macrobdella Diplotertia, (Annelida: Hirudinea) In North-Central Arkansas,
2010
South Arkansas Community College
Seasonal Activity Of The Ozark Highlands Leech, Macrobdella Diplotertia, (Annelida: Hirudinea) In North-Central Arkansas, M. Connior, Stanley E. Trauth
Journal of the Arkansas Academy of Science
The Ozark Highlands Leech, Macrobdella diplotertia, occurs intermittently throughout Arkansas, Kansas, and Missouri. Limited natural history of this species is known. Herein, we report a new county occurrence for this leech from a cattle pond in southern Marion County, Arkansas. We also report on the seasonal activity and novel hosts of this species. We surveyed the inhabited pond monthly to determine activity and collected natural history data on this species. This study indicated that this species appears to be most active in spring, summer, and early fall, but inactive during the winter. We also documented five new anuran hosts for …
New Records And Notes On The Natural History Of Selected Vertebrates From Southern Arkansas,
2010
Henderson State University
New Records And Notes On The Natural History Of Selected Vertebrates From Southern Arkansas, C. Renn Tumlison, Henry W. Robison
Journal of the Arkansas Academy of Science
No abstract provided.
