Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Roger Yant"'
Publikováno v:
North American Journal of Aquaculture. 78:301-306
This study examined the influence of strain of sire on hybrid catfish embryo production and performance of fingerlings under commercial conditions. Four hundred 4-year-old female Gold Kist strain Channel Catfish Ictalurus punctatus were induced to sp
Publikováno v:
North American Journal of Aquaculture. 77:245-254
Pinfish Lagodon rhomboides and Pigfish Orthopristis chrysoptera are commonly used as marine baitfish in the southeastern United States. Hormone efficacy studies for spawning induction have been conducted with both species, but spawning aids derived f
Autor:
Tiffany S. Howard, Brian G. Bosworth, Kathy F.J. Tang, Leigh Holland, Perry B. Hackett, H. D. Blackburn, Yniv Palti, William H. Daniels, Ramjie Odin, Benjamin J. Reading, Dina A. Proestou, Joseph R. Tomasso, Xiaozhu Wang, Romi Novriadi, Hisham A. Abdelrahman, Tao Zhou, Suxu Tan, Jianhai Xiang, Sheng Dong, Terrence R. Tiersch, Roger L. Vallejo, Marta Gomez-Chiarri, Thomas D. Kocher, Wendy Tri Prabowo, Eric Peatman, Mohamed Salem, Ximing Guo, Huitong Shi, Karim Khalil, Zhanjiang Liu, Yulin Jin, Aquaculture Genomics Genetics Bre, Lisui Bao, Shikai Liu, Ning Li, Hein van der Steen, Ben Beck, Rafet Al-Tobasei, Evan Durland, Rex A. Dunham, Ahmed Elaswad, Lauren Lindsey, Khoi Vo, Steven B. Roberts, Sheila Stiles, Zihao Yuan, Molly Jackson, Guyu Qin, Roger Yant, Yujia Yang, Geoff Waldbieser, Kyle E. Martin, Acacia Alcivar-Warren, Qifan Zeng, Kamal Gosh, John Buchanan, Timothy D. Leeds, Wilawan Thongda, Andrew J. Severin, Terry Hanson, Jesse A. Chappell, Craig A. Shoemaker, Han-Ping Wang, Standish K. Allen, Mohamed ElHady, Dennis Hedgecock, Caird E. Rexroad
Publikováno v:
BMC Genomics
Advancing the production efficiency and profitability of aquaculture is dependent upon the ability to utilize a diverse array of genetic resources. The ultimate goals of aquaculture genomics, genetics and breeding research are to enhance aquaculture
Autor:
Gloria Umali-Maceina, Rex A. Dunham, Nagaraj G. Chatakondi, D. Roger Yant, Anang Hari Kristanto
Publikováno v:
Journal of the World Aquaculture Society. 42:845-853
This study addresses rapid methods to identify mature channel catfish, Ictalurus punctatus, females for induced spawning with luteinizing hormone releasing hormone analog (LHRHa) and common carp pituitary extract (CPE) and the effects of stage of mat
Autor:
D. Roger Yant, Christopher C. Green
Publikováno v:
Journal of the World Aquaculture Society. 42:801-811
Channel catfish, Ictalurus punctatus, pituitary powder (CP) was prepared and administered to determine the effect of pituitary preparation, head selection criteria, and season of collection on the biological potency of this gonadotropic preparation.
Autor:
Craig S. Tucker, Roger Yant, David Heikes, Edwin H. Robinson, Menghe H. Li, Charles D. Minchew, Brian G. Bosworth
Publikováno v:
North American Journal of Aquaculture. 72:150-157
Two experiments were conducted to evaluate the effects of stocking density and feeding frequency on the growth, net yield, and feed conversion of hybrid catfish (female channel catfish Ictalurus punctatus × male blue catfish I. furcatus). In experim
Publikováno v:
Aquaculture Economics & Management. 8:233-251
We use linear programming (IP) to model three sizes of catfish farms: an average size farm of 60 ha (150 acre), a small farm of 20 ha (50 acre), and large farm of 160 ha (400 acres). The objective is to use an investigative model to determine how the
Autor:
Curtis M. Jolly, Rex A. Dunham, Brad J. Argue, Zhanjiang Liu, Jerry Crews, Carel Ligeon, Florabelle Gagalac, Roger Yant, Jim Benfrey
Publikováno v:
Aquaculture Economics & Management. 8:253-267
Tie profitability of the channel‐blue hybrid catfish fingerlings and foodfish was compared to that of the channel catfish using enterprise budgets and sensitivity analyses. Average total costs of production were 15.0–22.5 per cent less for hybrid
Autor:
Curtis M. Jolly, Jim Benfrey, Zhanjiang Liu, Florabelle Gagalac, Rex A. Dunham, Brad J. Argue, Carel Ligeon, Ron Phelps, Roger Yant, Jerry Crews
Publikováno v:
Aquaculture Economics & Management. 8:269-280
Enterprise budgets and sensitivity analyses were used to compare the profitability and risks of the production of channel‐blue hybrid catfish eggs to that of channel catfish. Partial budgeting technique was used to determine whether it would be fea
Autor:
Roger Yant, Nagaraj G. Chatakondi
Publikováno v:
Journal of the World Aquaculture Society. 32:278-285
Four treatment groups that received repeating cycles of fixed feed deprivation for either 0, 1, 2, or 3 d (control, treatment 1, treatment 2, and treatment 3, respectively), followed by periods of refeeding with a 36% protein commercial catfish feed