Brian G. Bosworth

Agricultural Research Service - Southeast Area

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Menghe H. Li

Jinan University

Edwin H. Robinson

Mississippi State University

Penelope M. Lucas

Mississippi State University

Daniel F. Oberle

Mississippi State University

William R. Wolters

National Cold Water Marine Aquaculture Center

Geoff Waldbieser

Agricultural Research Service

Geoffrey C. Waldbieser

United States Department of Agriculture

Bruce B. Manning

Mississippi State University

George S. Libey

Virginia Tech

Ning Li

Xiamen University

Cooperative Institutions

Auburn University

Agricultural Research Service

United States Department of Agriculture

Mississippi State University

Mississippi Delta Community College

University of Arkansas at Pine Bluff

National Cold Water Marine Aquaculture Center

Delta Air Lines (United States)

Ocean University of China

National Center for Cool and Cold Water Aquaculture

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Evaluation of Hydrolyzed Poultry Feathers as a Dietary Ingredient for Pond‐Raised Channel Catfish

North American Journal of Aquaculture (2012)

Menghe H. Li Edwin H. Robinson Brian G. Bosworth Daniel F. Oberle Penelope M. Lucas

Abstract The present study examined the use of hydrolyzed poultry feathers (HPF) as a replacement for soybean meal in diets for pond raised Channel Catfish Ictalurus punctatus . Four isonitrogenous (28% crude protein) diets were evaluated that contained 0, 5, 10, or 15% HPF. Fingerling Channel Catfish (mean ± SD initial weight was 47.5 ± 2.2 g) were stocked into twenty 0.04‐ha earthen ponds at a rate of 14,830 fish/ha. Fish were fed once daily to apparent satiation for 140 d. No significant differences were observed for weight gain, feed conversion ratio (FCR), and survival among fish fed various levels of HPF. There were also no significant differences in net yield of fish fed diets containing 0, 5, and 10% HPF, but net yield of fish fed a diet containing 15% HPF was significantly lower than that of fish fed the control diet. Fish on diets containing 5% HPF and above were fed significantly less feed than fish fed the control diet. Regression analysis showed that total amount of diet fed, net yield, and weight gain decreased linearly as dietary HPF levels increased. Based on weight gain and net yield data, 5% HPF with supplemental lysine may be used in Channel Catfish diets without marked impact on fish growth performance. However, carcass and fillet yield were significantly reduced in fish fed diets containing 5% HPF and higher. Fillet protein generally decreased and fillet fat increased with increasing dietary HPF levels.

Fillet (mechanics)

10.1080/15222055.2012.732675

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Citations (3)

SNP discovery in wild and domesticated populations of blue catfish, Ictalurus furcatus, using genotyping‐by‐sequencing and subsequent SNP validation

Molecular Ecology Resources (2014)

Chao Li Geoff Waldbieser Brian G. Bosworth Benjamin H. Beck Wilawan Thongda

Abstract Blue catfish, I ctalurus furcatus , are valued in the U nited S tates as a trophy fishery for their capacity to reach large sizes, sometimes exceeding 45 kg. Additionally, blue catfish × channel catfish ( I . punctatus ) hybrid food fish production has recently increased the demand for blue catfish broodstock. However, there has been little study of the genetic impacts and interaction of farmed, introduced and stocked populations of blue catfish. We utilized genotyping‐by‐sequencing ( GBS ) to capture and genotype SNP markers on 190 individuals from five wild and domesticated populations ( M ississippi R iver, M issouri, D & B , R io G rande and T exas). Stringent filtering of SNP ‐calling parameters resulted in 4275 SNP loci represented across all five populations. Population genetics and structure analyses revealed potential shared ancestry and admixture between populations. We utilized the S equenom M ass ARRAY to validate two multiplex panels of SNP s selected from the GBS data. Selection criteria included SNP s shared between populations, SNP s specific to populations, number of reads per individual and number of individuals genotyped by GBS . Putative SNP s were validated in the discovery population and in two additional populations not used in the GBS analysis. A total of 64 SNP s were genotyped successfully in 191 individuals from nine populations. Our results should guide the development of highly informative, flexible genotyping multiplexes for blue catfish from the larger GBS SNP set as well as provide an example of a rapid, low‐cost approach to generate and genotype informative marker loci in aquatic species with minimal previous genetic information.

SNP

SNP genotyping

Broodstock

10.1111/1755-0998.12272

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Citations (31)

Aquaculture

Brian G. Bosworth

This chapter contains sections titled: History of aquaculture Types of aquaculture Advantages and disadvantages of aquaculture Basic requirements of aquaculture Aquaculture production Culture systems and techniques Current issues related to aquaculture production Future of aquaculture Acknowledgment References

10.1002/9781118229491.ch24

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Evaluation of the Economics of Multi-Batch Channel CatfishIctalurus punctatusProduction Fed an Industry Standard and Three Alternative Diets

Journal of Applied Aquaculture (2012)

Neil J. Pugliese David Heikes Carole R. Engle Brian G. Bosworth Rebecca Lochmann

High ingredient prices in 2008 led feed mills to manufacture new, less expensive feed formulations untested under commercial catfish farming conditions. Sixteen 0.1-ha ponds were stocked in multi-batch production with: (1) 32% protein control, an industry standard; (2) 32% protein alternative; (3) 32% protein corn gluten; and (4) 24% protein diets. A partial budget analysis evaluated the relative economics. The 32% control diet resulted in significantly greater yield of carryover fish. Feed conversion ratios of the control and 32% alternative diets were significantly lower than those of the 32% corn gluten and 24% protein diets, but visceral fat content was higher for the control and 32% alternative diets. The control diet was economically preferable to the alternative diets because the additional revenue from the greater yield of fish fed the control (industry standard) diet more than offset the reduced cost of the alternate diets evaluated.

Ingredient

10.1080/10454438.2012.678787

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Citations (7)

Evaluation of Various Combinations of Alternative Protein Feedstuffs to Replace Soybean Meal in Diets for Pond‐Raised Channel Catfish

North American Journal of Aquaculture (2017)

Menghe H. Li Brian G. Bosworth Penelope M. Lucas

Abstract A study was conducted in earthen ponds to evaluate the use of combinations of two or three alternative protein sources to replace soybean meal in diets for Channel Catfish Ictalurus punctatus. Six 28% protein diets containing various combinations of alternative protein feedstuffs—cottonseed meal, corn distillers dried grains with solubles, corn germ meal, peanut meal, and porcine meat and bone meal—were evaluated. Channel Catfish stockers (mean initial weight = 87 g/fish) were stocked into 30 earthen ponds (0.04 ha) at a density of 14,826 fish/ha with five ponds per dietary treatment. They were fed once a day to apparent satiation for a 183-d growing season. There were no significant differences in total diet fed, net yield, weight gain, survival, processing yield, and fillet proximate composition among dietary treatments. Results from the present study show that all soybean meal could be replaced by two or three moderate- and high-protein alternative feedstuffs without significantly affecting growth performance, processing yield, and fillet proximate composition of pond-raised Channel Catfish during food fish grow out.

10.1080/15222055.2016.1265033

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Citations (5)

Reprint of: General and specific combining ability of male blue catfish (Ictalurus furcatus) and female channel catfish (Ictalurus punctatus) for growth and carcass yield of their F1 hybrid progeny

Aquaculture (2014)

Brian G. Bosworth Geoff Waldbieser

Sire

10.1016/j.aquaculture.2014.01.017

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Effect of pond‐ or strip‐spawning on growth and carcass yield of channel catfish progeny, Ictalurus punctatus

Journal of the World Aquaculture Society (2019)

Brian G. Bosworth Geoff Waldbieser André Garcia Daniela Lourenço

Abstract Accurate, unbiased phenotypic performance of progeny is critical for the development of fish‐breeding programs, and identification of possible environmental factors affecting phenotypes is an important aspect of genetic analysis. Catfish progeny can be produced by either natural pond‐spawning or hormone‐induced strip‐spawning. We determined the effects of pond‐spawning versus strip‐spawning on fingerling weight, harvest weight, and carcass yield of channel catfish, Ictalurus punctatus , progeny. Progeny from 65 pond‐spawned full‐sib families and 29 strip‐spawned full‐sib families were reared in separate family tanks, then tagged as fingerlings, and then stocked communally in earthen ponds and harvested at ~17 months posthatch. A sample of fish from each full‐sib family was measured for carcass yield. Fingerling weight was not affected by sex or spawning type. Harvest weight was higher for males than for females and higher for pond‐spawned fish than for strip‐spawned fish. Carcass yield was higher for females than for males and higher for pond‐spawned fish than for strip‐spawned fish. Results indicate that strip‐spawning had substantial negative effects on progeny harvest weight and carcass yield. Accounting for the effect of strip‐spawning in breeding programs and the potential effects of strip‐spawning on commercial catfish production should be determined.

10.1111/jwas.12659

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Citations (1)

Evaluation of ultrasound imagery and body shape to predict carcass and fillet yield in farm-raised catfish.

Journal of Animal Science (2001)

Brian G. Bosworth Merrilee Holland Brian Brazil

Accurate prediction of meat yield in live animals may allow more efficient genetic improvement of meat yield in farm-raised catfish. An initial trial with 30 channel catfish demonstrated significant correlations among weight-adjusted residuals for muscle area measured from transverse ultrasound images and transverse sections at five locations along the trunk musculature (r = 0.30 to 0.70). Relationships of weight-adjusted residuals for three meat yield traits (carcass, whole fillet, and shank fillet) with weight-adjusted residuals for 15 external body shape measurements and five transverse ultrasound measurements of muscle area were determined for 51 female and 91 male channel x blue catfish backcross hybrids. Compared to males, females had smaller heads; deeper, wider, shorter bodies; larger ultrasound muscle area; and higher meat yield. Correlations between carcass traits and body shape and carcass traits and ultrasound measurements were generally higher for females than for males. Correlations among carcass traits and ultrasound muscle area were typically higher than correlations among carcass traits and external body shape in both sexes. A single ultrasound measurement explained 40 to 50% and 16 to 23% of the variation in meat yield traits of females and males, respectively. The best three-variable model using ultrasound and body shape traits explained 48 to 56% and 31 to 38% of the variation in meat yield traits in females and males, respectively. Differences between males and females for the variability in meat yield traits explained by the models may be related to sexual dimorphism for body shape and fillet yield observed in catfish. Ultrasound has potential for predicting meat yield in live fish, but improved prediction accuracy is needed. Differences in meat yield traits between males and females and among individuals within sexes suggest that selecting for fish with smaller heads and deeper, shorter body shape posterior to the visceral cavity will increase meat yield in catfish.

Fillet (mechanics)

Sexual dimorphism

10.2527/2001.7961483x

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Citations (63)

Use of Corn Germ Meal in Diets for Pond‐Raised Channel Catfish, Ictalurus punctatus

Journal of the World Aquaculture Society (2013)

Menghe H. Li Edwin H. Robinson Daniel F. Oberle Penelope M. Lucas Brian G. Bosworth

Abstract Corn germ meal ( CGM ) is a by‐product of corn milling. On the basis of its nutrient composition and digestibility values, it appears to be a suitable ingredient for use in channel catfish, Ictalurus punctatus , diets. A study was conducted to examine the use of various levels of CGM in diets for pond‐raised channel catfish. Four 28% protein diets containing 0, 15, 25, and 35% CGM were evaluated. Fingerling channel catfish (mean initial weight: 71 g/fish) were stocked into 24, 0.04‐ha ponds at a rate of 14,826 fish/ha. Fish were fed once daily to apparent satiation for a 167‐d growing season. No significant differences were observed in total amount of diet fed, diet consumption per fish, net yield, weight gain, feed conversion ratio, survival, fillet yield, and fillet protein, fat, and moisture concentrations among fish fed diets containing various levels of CGM . Carcass yield decreased linearly as dietary CGM levels increased. Depending on prices, CGM can be used interchangeably with corn gluten feed in channel catfish diets as replacements for corn, wheat middlings, and soybean meal to reduce feed cost.

Corn gluten meal

10.1111/jwas.12019

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Citations (15)

Differential gene expression of IGF-I, IGF-II, and toll-like receptors 3 and 5 during embryogenesis in hybrid (channel×blue) and channel catfish

Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology (2005)

Brian C. Peterson Brian G. Bosworth A. Lelania Bilodeau

TLR5

TLR3

10.1016/j.cbpb.2005.03.009

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Citations (47)