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more general categories information about this item Animal Science and Animal Products Animal Science and Animal Products animal products (13065) egg products (2100) eggs (2074) animals (57707) vertebrates (48184) fish (10696) perch (179) diadromous fish (264) anadromous fish (228) zoology (51799) animal anatomy (33734) animal organs (10087) animal glands (2420) endocrine glands (1938) gonads (1675) ovaries (898) testes (453) Leydig cells (38) endocrine system (2031) endocrine glands (1938) gonads (1675) ovaries (898) testes (453) Leydig cells (38) reproductive system (2129) female reproductive system (1427) ovaries (898) male reproductive system (663) testes (453) Leydig cells (38) Biological Sciences Biological Sciences histology (1732) anatomy and morphology (70482) animal anatomy (33736) animal organs (10087) animal glands (2420) endocrine glands (1938) gonads (1675) ovaries (898) testes (453) Leydig cells (38) endocrine system (2031) endocrine glands (1938) gonads (1675) ovaries (898) testes (453) Leydig cells (38) reproductive system (2129) female reproductive system (1427) ovaries (898) male reproductive system (663) testes (453) Leydig cells (38) behavior (11747) sexual behavior (1375) mating behavior (1289) spawning (761) biochemistry (102540) biochemical compounds (82890) biomarkers (1984) hormones (4629) amino acids, peptides and proteins (29753) proteins (23740) animal proteins (4409) egg proteins (502) yolk proteins (254) vitellogenin (216) nucleic acids, nucleosides and nucleotides (18273) nucleic acids (16648) DNA (10243) biological properties and phenomena (31123) viability (2060) cell biology (31589) cells (12714) Leydig cells (38) germ cells (3475) spermatozoa (1425) ova (1908) zona pellucida (51) endocrinology (4746) hormones and hormone-related substances (4737) hormones (4629) genetics (60992) molecular genetics (44734) nucleic acids (16648) DNA (10243) phenotype (13102) gender (10027) males (3929) organisms (108862) animals (57703) vertebrates (48182) fish (10695) perch (179) diadromous fish (264) anadromous fish (228) aquatic organisms (16050) fish (10692) perch (179) diadromous fish (264) anadromous fish (228) psychology (12488) behavior (11746) sexual behavior (1375) mating behavior (1289) spawning (761) zoology (51772) animal anatomy (33713) animal organs (10080) animal glands (2418) endocrine glands (1938) gonads (1675) ovaries (898) testes (453) Leydig cells (38) endocrine system (2031) endocrine glands (1938) gonads (1675) ovaries (898) testes (453) Leydig cells (38) reproductive system (2129) female reproductive system (1427) ovaries (898) male reproductive system (663) testes (453) Leydig cells (38) Calendar Year Calendar Year Year (337475) 2013 (32153) Economics, Business and Industry Economics, Business and Industry economics (27895) economic development (2466) urban development (714) urbanization (628) products and commodities (80757) agricultural products (74894) animal products (13060) egg products (2100) eggs (2074) Geographical Locations Geographical Locations named bodies of water (3209) Chesapeake Bay (72) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences atmospheric sciences (22912) meteorology and climatology (21777) seasons (8372) spring (2309) ecology (54081) population ecology (15287) population characteristics (15194) population dynamics (4125) recruitment (1125) natural resources (75944) land resources (17347) watersheds (4526) water resources (14174) inland waters (9847) streams (2506) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) biochemical compounds (82878) biomarkers (1984) hormones (4629) amino acids, peptides and proteins (29751) proteins (23738) animal proteins (4409) egg proteins (502) yolk proteins (254) vitellogenin (216) nucleic acids, nucleosides and nucleotides (18273) nucleic acids (16648) DNA (10243) Reference Types Reference Types Journal (337546) Taxa - Animalia Taxa - Animalia Chordata (15192) Pisces (8907) Actinopterygii (8702) Perciformes (2758) Percidae (242) Perca (148) Perca flavescens (46) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: Reproductive health of yellow perch Perca flavescens in selected tributaries of the Chesapeake Bay Author(s) of Article: Will be identified in next release Citation: Science of the total environment 2013 v.447 pp. 198-209 Click to View: (Click to View) Date of Publication: 2013 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=476185 Name of Publication: Science of the total environment Publishing Company: Will be identified in next release Accession Number: 102511