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Full-Text Articles in Life Sciences

Journal Of The Arkansas Academy Of Science - Volume 70 2016, Academy Editors Jan 2016

Journal Of The Arkansas Academy Of Science - Volume 70 2016, Academy Editors

Journal of the Arkansas Academy of Science

No abstract provided.


Proportionality Between Population Descriptors (Covariables) In An Aggregated Acanthocephalan (Helminth) Infection Of A Microcrustacean: Crofton Revisited, J. J. Daly Sr., K. Wagner Jan 2016

Proportionality Between Population Descriptors (Covariables) In An Aggregated Acanthocephalan (Helminth) Infection Of A Microcrustacean: Crofton Revisited, J. J. Daly Sr., K. Wagner

Journal of the Arkansas Academy of Science

We have previously shown that population parameters of the trematode metacercariae of Clinostomum marginatum in black bass (Micropterus spp.) were closely correlated with each other with the exception of prevalence (Daly et al. 2007, Daly (2014). Crofton (1971) and Haynes and Nicholas (1963) published raw data on an acanthocephalan, (Polymorphus minutus) in an amphipod intermediate host collected on 6 different sites on a stream. That data was used herein to examine similar correlations, as with Clinostomum, to see if another helminth infection, in this case from a different phylum, also had similar descriptor relationships. Forty one regression analyses were done …


Calcium And Magnesium Absorption And Retention By Growing Goats Offered Diets With Different Calcium Sources, Jennifer E. Long, Kenneth P. Coffey, James D. Caldwell, Dirk Philipp, Robert T. Rhein, Ashley N. Young Jan 2016

Calcium And Magnesium Absorption And Retention By Growing Goats Offered Diets With Different Calcium Sources, Jennifer E. Long, Kenneth P. Coffey, James D. Caldwell, Dirk Philipp, Robert T. Rhein, Ashley N. Young

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Calcium addition is necessary in order to balance the high phosphorus concentrations that are characteristic of high-concentrate ruminant diets. However, calcium sources differ in their bioavailability. Our objective was to determine apparent calcium and magnesium absorption and retention in goats offered diets containing different sources of calcium. Spanish-Boer goats (n = 18; 19.6 ± 1.88 kg) were stratified by body weight (BW) and sex and randomized to dietary treatments consisting of Purina Antlermax 16 containing either calcium carbonate (CC), Calmin (CM) or Milk Cal (MC). Goats were adapted to a control, corn-based high-concentrate diet on pasture and then moved to …