SELENOMETHIONINE
Mallard duck (Anas platyrhynchos)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | 13-20 ppm, wet wt | mean Se concentration in eggs | Female | Adult | 5 birds | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENITE, SODIUM, SELENOMETHIONINE | increased @ 10,25 ppm (as selenite), 10 ppm (as selenomethionine) | number of embryos showing malformations or embryotoxicity compared to controls | Not Reported | Embryo | 5-11 pairs/group | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | increased @ 8, 16 ppm | incidence of malformed embyros compared to controls | Not Reported | Embryo | 5-11 pairs/group | Toxicity Factor Datasets | Laboratory | |
SELENITE, SODIUM, SELENOMETHIONINE | increased @ 25 ppm | plasma uric acid concentration in hatchlings versus controls | Not Reported | Juvenile | 5-11 pairs/group | Toxicity Factor Datasets | Laboratory | |
SELENITE, SODIUM, SELENOMETHIONINE | increased @ 5, 10, 25 ppm (as selenite), 10 ppm (as selenomethionine) | plasma glutathione peroxidase activity in hatchlings compared to controls | Not Reported | Juvenile | 5-11 pairs/group | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
BORIC ACID, SELENOMETHIONINE | increased @ 15 ppm Se (with and w/out B), 1000 ppm B | incidence of plasma chemistry changes versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
BORIC ACID, SELENOMETHIONINE | decreased @ 1000 ppm B | hematocrits and hemoglobin concentrations versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
BORIC ACID, SELENOMETHIONINE | decreased @ 15 ppm Se (with or w/out B), and 1000 ppm B | hematocrits and hemoglobin concentrations versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
BORIC ACID, SELENOMETHIONINE | 10.8 (@ 15 ppm Se), 56.0 (@ 60 ppm) ppm Se, wet wt 11.0 (@ 1000 ppm B) ppm B, wet wt |
geometric mean Se and B concentrations in liver | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
BORIC ACID, SELENOMETHIONINE | 22.5 (@ 15 ppm Se w/out B), 41.9 (@ 15 ppm Se w/B) ppm Se, wet wt 13.0 (@ 1000 ppm B) ppm B, wet wt |
geometric mean Se and B concentrations in liver | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
BORIC ACID, SELENOMETHIONINE | decreased @ 60 ppm Se (47% mort.) | survival versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
BORIC ACID, SELENOMETHIONINE | decreased @ 60 ppm Se | body, liver, and spleen weight; tarsus length versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | day old | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | increased in birds that died | incidence of macroscopic abnormalities versus controls | Male | Adult | 21/dose | Toxicity Factor Datasets | 1 yr | Laboratory | |
SELENOMETHIONINE | increased @ 40 ppm | incidence of macroscopic abnormalities of muscles, claws and feathers versus controls | Male | Adult | 21/dose | Toxicity Factor Datasets | 1 yr | Laboratory | |
SELENOMETHIONINE | decreased in birds that died | mean weights of heart, spleen, pancreas, testis versus controls | Male | Adult | 21/dose | Toxicity Factor Datasets | 1 yr | Laboratory | |
SELENOMETHIONINE | 33(7) ppm @ 10 ppm Se, 49(9) ppm @ 20 ppm Se, 87(11) ppm @ 40 ppm Se, 99(9) ppm in birds that died | mean (SE) dry wt concentrations of selenium in liver | Male | Adult | 10-25 | Toxicity Factor Datasets | 1 yr | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
BORIC ACID, SELENOMETHIONINE | increased @ 3.5 ppm Se | survival between 7 and 14 days post-hatch versus controls | Both Male and Female | Juvenile | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | reduced @ 7 ppm | duckling production versus 3.5 ppm Se group | Both Male and Female | Both Adults and Juveniles | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | 4.6 (0.18) ppm B @ 450 ppm B; 8.5 (0.34) ppm B @ 900 ppm B; 3.7 (0.16) ppm Se @ 3.5 ppm Se; 6.2 (0.27) ppm Se @ 7 ppm | mean (SE) wet wt concentrations of B and Se in liver | Both Male and Female | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | 6.5 (0.25) ppm B @ 450 ppm B; 11 (0.4) ppm B @ 900 ppm B; 3.5 (0.10) ppm Se @ 3.5 ppm Se; 7.1 (0.28) ppm Se @ 7 ppm | mean (SE) wet wt concentrations of B and Se in egg | Both Male and Female | Both Adults and Juveniles | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | reduced @ 900 ppm B | body weight versus controls | Both Male and Female | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | decreased @ 900 ppm B | liver weight versus 450 ppm B group | Male | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | reduced @ 900 ppm B | hemoglobin concentrations versus controls | Male | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | no effect | onset of egg laying, eggshell thickness, frequency of embryo deformities versus controls | Both Male and Female | Both Adults and Juveniles | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | reduced @ 900 ppm B | egg weight, hatching success, egg fertility versus controls | Both Male and Female | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | reduced @ 7 ppm Se | body weight versus controls | Female | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | no effect due to added Se | liver weight, hemoglobin concentrations, hematocrit versus controls | Both Male and Female | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | no effect due to added Se | onset of egg laying, eggshell thickness, egg weight, egg fertility, embryo deformities versus controls | Both Male and Female | Both Adults and Juveniles | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory | |
BORIC ACID, SELENOMETHIONINE | reduced @ 7 ppm Se | hatching success versus controls | Female | Adult | 14 pairs/treatment | Toxicity Factor Datasets | 1 yr | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | increased @ 10 ppm Hg + 10 ppm Se | plasma glucose concentrations versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | decreased @ 10 ppm Se, 10 ppm Hg, 10 ppm Hg + 10 ppm Se | plasma phosphorus concentrations versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | decreased @ 10 ppm Hg | glutathione peroxidase activity (plasma and liver) and glucose-6-phosphate dehydrogenase (liver and brain) versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | increased @ 10 ppm Se | hepatic GSSG reductase activity versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | increased @ 10 ppm Hg | oxidized glutathione (GSSG) level versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | reduced @ 10 ppm Hg, 10 ppm Hg + 10 ppm Se | protein-bound sulfhydryl in liver versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | increased @ 10 ppm Hg, 10 ppm Se, 10 ppm Hg + 10 ppm Se | thiobarbituric acid-reactive substances in brain versus controls | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | 3.4(0.22) ppm @ 10 ppm Se; 5.2(0.44) ppm @ 10 ppm Hg + 10 ppm Se | mean (SE) wet wt Se concentrations in brain | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | 17.9(1.06) ppm @ 10 ppm Hg; 14.1(0.74) ppm @ 10 ppm Hg + 10 ppm Se | mean (SE) wet wt Hg concentrations in brain | Male | Adult | 12/treatment | Toxicity Factor Datasets | 18 mo | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENIUM COMPOUNDS, SELENOMETHIONINE | decreased @ 30 ppm as Se-met or yeast, or 15 ppm as wheat | food consumption compared to controls | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | decreased @ 30 ppm as Se-met or yeast | body weight compared to controls | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | decreased @ 30 ppm as Se-L-met | survival rate compared to controls | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | 11-12 (@ 15 ppm as Se-met or wheat), 6.2 (@ 15 ppm as yeast), 19-20 (@ 30 ppm as Se-met or wheat), 9.9 (@ 30 ppm as yeast) ppm, wet wt | mean concentrations of Se in livers | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | decreased @ 30 ppm (as Se-met or yeast) | food consumption compared to controls | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | decreased @ 30 ppm (as Se-met or yeast) | body weights compared to controls | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | no effect | survival rate compared to controls | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | 25-27 (@ 30 ppm as Se-L-met or Se-DL-met), 13 (@ 30 ppm as yeast) ppm, wet wt | mean Se concentrations in liver | Not Reported | Juvenile | 25 birds/group | Toxicity Factor Datasets | 1 day | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | decreased | incidence of delayed hypersensitivity reactions to antigen versus controls | Male | Adult | Controls = 24 Treated = 8 |
Laboratory | Toxicity Factor Datasets | Laboratory |
SELENITE, SODIUM, SELENOMETHIONINE | decreased | blood monocyte counts after 78 days exposure versus controls | Male | Adult | Controls = 24 Treated = 8 |
Laboratory | Toxicity Factor Datasets | Laboratory |
SELENITE, SODIUM, SELENOMETHIONINE | increased @ 3.5 mg/L (selenite) or 2.2 mg/L (selenomethionine) | serum ALT enzyme activity versus controls n high selenite and selenomethionine groups. | Male | Adult | Controls = 24 Treated = 8 |
laboratory | Toxicity Factor Datasets | Laboratory |
SELENOMETHIONINE | increased (12-fold) | selenium concentrations in pectoral muscle | Male | Adult | Controls = 24 Treated = 8 |
Laboratory | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENITE, SODIUM, SELENOMETHIONINE | increased @ 40, 80 ppm selenite or selenomethionine | duckling mortality versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | Laboratory | |
SELENITE, SODIUM, SELENOMETHIONINE | decreased | food consumption versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | Laboratory | |
SELENITE, SODIUM, SELENOMETHIONINE | decreased (liver decreased with selenite only) | bw and liver wt versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | Laboratory | |
SELENITE, SODIUM, SELENOMETHIONINE | no effect | tarsus length, 10th primary length, heart weight versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | 60(14.2) ppm, wet wt @ 40 ppm; 51(5.2) ppm, wet wt @ 80 ppm | mean liver concentrations (SE) in ducklings fed selenomethionine that died | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | increased @ 32 ppm | incidence of liver histopathological lesions, liver:body wt ratios versus controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory | |
SELENOMETHIONINE | increased @ 32 ppm | plasma alkaline phosphatase activity and total protein levels versus controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory | |
SELENOMETHIONINE | decreased @ 32 ppm | body weight, liver DNA:RNA ratio, hematocrit compared to controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory | |
SELENOMETHIONINE | decreased @ 16, 32 ppm | hemoglobin concentration compared to controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory | |
SELENOMETHIONINE | increased @ 2 ppm or greater | plasma glutathione peroxidase activity versus controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory | |
SELENOMETHIONINE | increased @ 16, 32 ppm | liver reduced gluthathione, oxidized glutathione, malondialdehyde concentrations versus controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory | |
SELENOMETHIONINE | increased @ 2 ppm or greater | Se concentrations in liver versus controls | Male | Adult | 10 birds/group | Toxicity Factor Datasets | 2 yr | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENIUM COMPOUNDS, SELENOMETHIONINE | reduced with selenized yeast | body weight of 6 day old ducklings versus controls | Both Male and Female | Both Adults and Juveniles | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | increased with seleno-D,L-methionine, seleno-L-methionine, or selenized yeast | incidence of embryo deformities versus controls | Both Male and Female | Both Adults and Juveniles | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | no effect | incidence of illness versus controls | Both Male and Female | Adult | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | 9.2(0.52) ppm with seleno-D,L-methionine; 8.9(0.35) ppm with seleno-L-methionine; 6.6(0.37) ppm with selenized yeast | mean(SE) wet wt concentrations of selenium in 8th egg laid | Female | Adult | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | no effect | egg fertility, egg weight, eggshell thickness, and mean interval between laying of eggs versus controls | Both Male and Female | Adult | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | reduced with seleno-L-methionine or seleno-D,L-methionine | hatchability versus controls | Both Male and Female | Both Adults and Juveniles | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | reduced with seleno-L-methionine | duckling survival compared to controls | Both Male and Female | Adult | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory | |
SELENIUM COMPOUNDS, SELENOMETHIONINE | reduced with seleno-D,L-methionine, seleno-L-methionine, or selenized yeast | number of 6-day-old ducklings produced per female versus controls | Both Male and Female | Both Adults and Juveniles | 15 pairs/treatment group, 10 pairs/control group | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENIUM COMPOUNDS, SELENOMETHIONINE | increase @ 15, 30 ppm | plasma and liver GSH-peroxidase activity (for all Se forms), compared to controls | Not Reported | Juvenile | 10/dose | Toxicity Factor Datasets | 1 d | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | liver: C = 7.4(1-e^-0.382t) muscle: C = 8.0(1-e^-0.037t) |
selenium accumulation equations | Both Male and Female | Adult | 3 | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | liver: C = 7.4e^-0.037t muscle: C = 5.6e^-0.023t liver at peak body burden: C = 22.6e^-0.246t + 2.5 e^-0.008t muscle at peak body burden: C = 6.4e^-0.029t Loss phase for blood at peak body burden: C = 12.0e^-0.071t |
selenium depuration equations | Both Male and Female | Adult | 3 | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | liver: 18.7 d muscle: 30.1 d |
half life of selenium in tissues | Both Male and Female | Adult | 3 | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | no effect | % survival versus controls | Not Reported | Juvenile | 15/group | Toxicity Factor Datasets | 1-day old | Laboratory | |
SELENOMETHIONINE | 11.6 (@15 ppm diet), 48.6 (@ 60 ppm diet) ppm, wet wt | geometric mean Se concentration in liver (adequate protein in diet) | Not Reported | Juvenile | 15/group | Toxicity Factor Datasets | 1-day old | Laboratory | |
SELENOMETHIONINE | increased @ 15 ppm, 60 ppm (adequate protein, no methionine added) | incidence of histopathological changes in livers versus controls | Not Reported | Juvenile | 15/group | Toxicity Factor Datasets | 1-day old | Laboratory | |
SELENOMETHIONINE | decreased @ 60 ppm (regardless of methionine suppl. or protein levels) | body, liver and spleen weights, and tarsus length versus controls | Not Reported | Juvenile | 15/group | Toxicity Factor Datasets | 1-day old | Laboratory | |
SELENOMETHIONINE | increased @ 15 (GSH-peroxidase only), 60 ppm Se, adequate protein | plasma GSH-peroxidase and alkaline phosphatase activities versus controls | Not Reported | Juvenile | 15/group | Toxicity Factor Datasets | 1-day old | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | no effect | body weight versus controls | Both Male and Female | Adult | 12/group | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | increased @ 10 ppm Hg | incidence of leg weakness versus controls | Male | Adult | 12/group | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | decreased @ 10 ppm Hg, 10 ppm Hg + 10 ppm Se | hatchability versus controls | Both Male and Female | Both Adults and Juveniles | 12/group | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | no effect | egg laying interval, egg weight, egg shell thickness, fertility, duckling survival, hatchling body weights versus controls | Both Male and Female | Both Adults and Juveniles | 12/group | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | reduced @ 10 ppm Se, 10 ppm Hg + 10 ppm Se | weight of 7 day old ducklings versus controls | Both Male and Female | Both Adults and Juveniles | 12/group | Toxicity Factor Datasets | 18 mo | Laboratory | |
METHYLMERCURY CHLORIDE, SELENOMETHIONINE | increased @ 10 ppm Se, 10 ppm Hg, 10 ppm Hg + 10 ppm Se | incidence of deformities in embryos that died (1 wk or older) versus controls | Both Male and Female | Both Adults and Juveniles | 12/group | Toxicity Factor Datasets | 18 mo | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | increased @ 10,20,40 ppm | incidence of altered hepatic glutathione metabolism versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
SELENOMETHIONINE | increased @ 20, 40 ppm | hepatic malondialdehyde concentrations versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
SELENOMETHIONINE | decreased @ 20, 40 ppm | hepatic protein concentrations versus controls | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | day old | Laboratory | |
SELENOMETHIONINE | increased to 4.8 (@ 10 ppm), 26.0 (@ 20 ppm), 68.0 (@ 40 ppm) ppm, wet wt | Se concentrations in livers after 6 wks of treatment | Not Reported | Juvenile | 40 birds/group | Toxicity Factor Datasets | day old | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
ARSENATE, SODIUM, SELENOMETHIONINE | increased (40%) @ 60 ppm Se | incidence of mortality versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | 1 d | Laboratory | |
ARSENATE, SODIUM, SELENOMETHIONINE | increased @ 60 ppm Se | incidence of ducklings with histopathological lesions versus controls | Not Reported | Juvenile | 15 birds/group | Toxicity Factor Datasets | 1 d | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | no effect | histological changes to nervous system, bones, feathers, feather follicles, claws and scaled skin versus controls | Male | Adult | 21/dose | Toxicity Factor Datasets | 14 mo | Laboratory | |
SELENOMETHIONINE | increased in birds that died, and in some 40 ppm survivors | histological changes to skin (loss of fat), muscle, liver, pancreas, kidney, lymph nodes, spleen, seminiferous tubules | Male | Adult | 21/dose | Toxicity Factor Datasets | 14 mo | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | no effect | distance run in 2 seconds from a fright stimulus vs controls | Not Reported | Chick | 32, 14, 14, 14, 11 in the 0, 1, 2, 4, and 8 ppm groups | Toxicity Factor Datasets | 6 days | Laboratory |
American Kestrel (Falco sparverius)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | no effect | chick mass and size at hatch, and chick survival to fledging versus controls | Both Male and Female | Adult, Juvenile | 15 pairs/treatment group; 10 control pairs | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | blood Se concentration = 1.307 + 0.852(diet Se concentration) | relation between Se concentrations in blood (dry wt) and diet (dry wt) | Male | Adult | 40 birds | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | egg Se concentration = 1.307 + 0.852(diet Se concentration) | relation between Se concentrations in egg (dry wt) and diet (dry wt) | Female | Adult | 53 eggs | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | increased @ 6 or 12 ppm Se | food consumption versus controls | Both Male and Female | Adult | 15 pairs/treatment group; 10 control pairs | Toxicity Factor Datasets | Laboratory |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
SELENOMETHIONINE | Y=1.132 + 0.801X (R^2 = 0.932) | relationship between Se concentrations in diet and blood | Both Male and Female | Adult | 9-10 pairs/group | Toxicity Factor Datasets | Laboratory | |
SELENOMETHIONINE | no effect | incidence of mortality or signs of toxicity | Both Male and Female | Adult | 9-10 pairs/group | Toxicity Factor Datasets | Laboratory |