1- Al-Saadi H, Mousaie A, Esmaeilipour O A, Ziaei N. Effect of organic selenium supplement on growth performance, nutrient digestibility and some blood metabolites of Kermani fattening lambs. J Res Rum. 2017; 6(2): 17-30. [In Persian]
2- Barceloux DG. Selenium. J Clin Toxicol. 1999; 37: 145-172.
3- Broderick GA. Kang JH. Automated simultaneous determination of ammonia and total amino acids in ruminal fluid and in vitro media. J Dairy Sci. 1980; 63(1): 64-75.
4- Dayrell MD, Ivan M, Hidiroglou M. The effects of ruminal protozoa on selenium status in sheep. Can.J.Anim.Sci. 1991; 71: 1269–1270.
5- Dehority B. Laboratory Manual for Classification and Morphology of Rumen Ciliate Protozoa; CRC Press: Boca Raton, FL, USA, 1993.
6- Dehghani S, Taghizadeh A, Mohammadzadeh H. The effect of different forms of selenium on parameters of gas production, rumen fermentation and rumen protozoa population. J anim sci res I. 2018; 11(3): 307-317 [In Persian]
7- Faixova Z, Faix S, Leng L, Vaczi P, Makova Z, Szaboova R. Hematological, blood and rumen chemistry changes in lambs following supplementation with Se-yeast. Acta Vet Bru. 2007; 76: 3-8.
8- Fujihara T, Imamura T, Orden EA. Utilization of protozoal selenium in young Goats. J Ani Feed Sci. 2004; 13: 265-268.
9- Getachew G, Makkar HPS, Becker K. Tropical browses: content of phenolic compounds, in vitro gas production and stoichiometric relationship between short chain fatty acids and in vitro gas production. J Agri Sci. 2002. 139: 341-352.
10- Ghorbani A, Noorian Sarwar M A, Moini MM. The effect of zinc and selenium organic supplements on feed consumption, digestibility and parameters of ruminal fermentation in sheep. J Anim Scie. 2016; 30(115): 17-36. [In Persian]
11- Gruby D, Delafond HMO. Recherches sur des animalcules se développant en grand nombre dans l’estomac et dans les intestins, pendant la digestion des animaux herbivores et carnivores. Comptes Rendus Acad. Des Sci. 1843; 17: 1304–1308.
12- Hidiroglou M, Jenkins KJ. Influence of defaunation on the utilization of selenomethionine in the sheep. Ann Biol Anim Biochim Biophys. 1974; 14: 157–165.
13- Hungate RE. The Rumen and Its Microbes; Academic Press: New York, NY, USA, 1966.
14- Juszczuk-Kubiak E, Bujko K, Cymer M, Wicińska K, Gabryszuk M, Pierzchała M. Effect of inorganic dietary selenium supplementation on selenoprotein and lipid metabolism gene expression patterns in liver and loin muscle of growing lambs. Biol Trace Elem Res. 2016; 172: 336–345.
15- Mihalikova K, Gresakova L, Boldizarova K, Faix S, Leng L, Kisidayova S. The effects of organic selenium supplementation on the rumen ciliate population in sheep. Folia Microbiol. 2005; 50: 353-356.
16- Naziroglu M, Aksakal M, Cay S, Celik S. Effects of vitamin E and selenium on some rumen parameters in lambs. Acta Vet Hung. 1997; 45: 447–456.
17- Naziroglu M, Aksakal M, Cay M, Celik S. Effects of vitamin E and selenium on rumen protozoa in lambs. Tur J Vet Ani Sci. 1997; 21: 81–90.
18- NRC. Mineral Tolerance of Animals. National Academies Press, Washington, DC. USA. 2005; 493 pp.
19- Ogimoto K, Imai S. Atlas of Rumen Microbiology. Japan Scientific Society Press, Tokyo. 1981.
20- Pernthaler J. Predation on prokaryotes in the water column and its ecological implications. Nat Rev Microbiol. 2005; 3: 537-46.
21- Ramirez BJE, J L. TortoraHernandez, and M. Huerta. Main causes of mortalities in dairy goat kids from the Mexican plateau. S Rum Res. 2001; 41: 77-80.
22- Shi L, Xun W, Yue W, Zhang C, Ren Y, Liu Q, et al. Effect of elemental nano-selenium on feed digestibility, rumen fermentation, and purine derivatives in sheep. Ani Feed Sci Tec. 2011; 163: 136–142.
23- Underwood EJ, Suttle NF. The mineral nutrition of livestock. CAB international, Wallingford, U.K. 1999.
24- Wang C, Liu Q, Yang WZ, Dong Q, Yang XM, He DC, et al. Effects of selenium yeast on rumen fermentation, lactation performance and feed digestibilities in lactating dairy cows. Liv Sci. 2009; 126: 239-244.
25- Williams AG, Coleman GS. The Rumen Protozoa; Brock/Springer Series in Contemporary Bioscience; Springer: New York, NY, USA, 1992.
26- Wilsdorf VG, Heinze W, Krengel B. Studies into the action of sulfamerazine, sulfur, selenium, and/or vitamin E on rumen infusoria of cattle. Mh.Vet.Med. 1984; 39: 700–703.
27- Wright PL, Bell MC. Comparative metabolism of selenium and tellurium in sheep and swine. Am J phys. 1966; 211: 6-10.
28- Xun W, Shi L, Yue W, Zhang CH, Ren Y, Liu Q. Effect of High-Dose Nano-selenium and Selenium-Yeast on Feed Digestibility, Rumen Fermentation, and Purine Derivatives in Sheep. Biol Trace Elem Res. 2012; 150: 130-136.
29- Alavi M, Rai M, Martinez F, Kahrizi D, Khan H, Rose Alencar de Menezes I, et al. The efficiency of metal, metal oxide, and metalloid nanoparticles against cancer cells and bacterial pathogens: different mechanisms of action. Cell Mol Biomed Rep. 2022; 2(1): 10-21.