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Larval Fish Sampling And Scaphirhynchus Sturgeon Drift Dynamics In The Mississippi And Missouri Rivers, Hae Hyun Kim
Larval Fish Sampling And Scaphirhynchus Sturgeon Drift Dynamics In The Mississippi And Missouri Rivers, Hae Hyun Kim
MSU Graduate Theses
Humans have been altering the natural ecosystem for centuries. These alterations provide many socioeconomic benefits (e.g., navigation and flood-control). However, these alterations can have negative ecological consequences. Large rivers across the country have been manipulated to facilitate various human activities. Rivers are dynamic systems governed by various abiotic and biotic factors. Ultimately these alterations change the natural biogeochemical cycles and reduce available habitats. These impacts likely affect riverine fishes’ ability to carry out their lifecycle. Riverine organisms, and particularly fish, have adapted to survive in free-flowing systems. Population dynamics (i.e., recruitment, growth and mortality) are the basis of fisheries management. …
Prospects For Enhancing The Market For Goat Meat Products: Analysis Of The 2019 Goat Meat Survey, Ashton M. Light
Prospects For Enhancing The Market For Goat Meat Products: Analysis Of The 2019 Goat Meat Survey, Ashton M. Light
MSU Graduate Theses
The objective of this study was to identify goat meat product attributes and sociodemographic drivers of consumers’ willingness to buy to goat meat products. To do so the study used a nationwide consumer survey on goat meat preferences. A binary logit model was used to examine the factors affecting willingness to buy. Results show that gender, age, region, primary shopper, and product attribute preference for quality, price, leanness, cholesterol, and freshness significantly affect consumer willingness to buy goat sausage, jerky, burger, and patties.
Gear Specific Catch Rates And Population Dynamics Of Channel Catfish In The Mississippi River, Colby Gainer
Gear Specific Catch Rates And Population Dynamics Of Channel Catfish In The Mississippi River, Colby Gainer
MSU Graduate Theses
Perpetual anthropogenic alterations have imposed deleterious effects on aquatic ecosystems. In the Mississippi River, channelization, dams, and loss of floodplain connectivity have all been reputed as detrimental. Dynamic rate functions (i.e., recruitment, growth, and mortality) are the driving forces behind fish populations. Understanding population dynamics is important for guiding management decisions. Knowledge of vital rates can provide pivotal information that will determine spatiotemporal population-level changes within the system. In the Mississippi River, Channel Catfish are a commercially and recreationally important species. However, limited population demographic information currently exists in the Upper Mississippi River. We sought to determine the most effective …
Optimal Calving Time For Beef Cows In Southwest Missouri, Briana Rose Verploeg
Optimal Calving Time For Beef Cows In Southwest Missouri, Briana Rose Verploeg
MSU Graduate Theses
The purpose of this study is to determine if a optimal time of year exists for beef producers to have cows give birth in southwest Missouri for maximal net returns from calf sales and increased cow reproductive performance. To make this determination, data were collected which included year-round forage nutritive value, calf pre-weaning growth, cow energy efficiency and reproductive performance, and income and cost values. Cow and calf field data were gathered for the 2014-2018 production years at Missouri State University’s Leo Journagan Ranch. Monthly forage samples were collected from study cow pastures from 2016 through 2018. Calf, cull cow, …
Impact Of Storage Temperature On Viability Of Microbial Inoculum For Estimating In Vitro Equine Digestibility, Delaney Brenne O'Donnell
Impact Of Storage Temperature On Viability Of Microbial Inoculum For Estimating In Vitro Equine Digestibility, Delaney Brenne O'Donnell
MSU Graduate Theses
This study evaluated the effect of storage temperature of equine fecal material on the viability of microbial inoculum used for in vitro equine digestibility trials. Fecal material was stored at four storage temperatures of 39°C for 15 minutes (control), 22°C for 6h, 3°C for 6h, and -18°C for 24h. Stored fecal material was used to form microbial inoculum for use in an Ankom Daisy II Incubator. Six different forage samples were digested in the Ankom Daisy II Incubator to evaluate interactions between storage condition of microbial inoculum and chemical composition of digested forage samples. After determination of dry matter digestibility …