1.Akinfala, E.O. and Komolafe, O.B. 2011. Evaluation of different processing methods on the nutrient composition of broiler litter and its utilization by weaner pigs in the tropics. Livest. Res. Rural Dev., 23: 228 (online version).

2.AOAC. 2000. Official methods of analysis, 16th edn. Association of Official Analytical Chemists. Washington, DC.

3.AOAC. 2012. Official methods of analysis (19th ed.). Association of Official Analytical Chemists. Washington, DC.

4.Barrasa, M., Lamosa, S., Fernandez, M.D. and Fernandez, E. 2012. Occupational exposure to carbon dioxide, ammonia and hydrogen sulphide on livestock farms in north-west Spain. Ann. Agric. Environ. Med., 19(1): 17-24.

5.Cambra-López, M., Aarnink, A.J.A., Zhao, Y., Calvetm, S. and Tores, A.G. 2010. Airborne particulate matter from livestock production systems: A review of an air pollution problem. Environ. Poll., 158: 1-17.

6.Chaney, A.L. and Marbach, E.P. 1962. Modified reagents for determination of urea and ammonia. Clin. Chem., 8: 130-132.

7.Copeland, C. 2014. Air quality issues and animal agriculture: A primer. Congressional Research Service, Informing the legislative debate since, pp. 34.

8.Coufal, C.D., Chavez, C., Niemeyer, P.R. and Carey, J.B. 2006. Measurement of broiler litter production rates and nutrient content using recycled litter. Poult. Sci., 85: 398–403.

9.Elliott, H.A. and Collins, N.E. 1982. Factors affecting ammonia release in broiler litter. Trans. ASAE, 25: 413–424.

10.ICAR, 2013. Nutrient Requirement of Animals-Poultry (ICARNIANP), Indian Council of Agricultural Research, New Delhi.

11.Khan, M., Pathak, A.K. and Singh, S. 2019. Nutrient metabolism, blood Indices and Immunity in Haemonchus contortus infected goats fed condensed tannins enriched densified complete feed blocks. Anim. Nutr. Feed Technol., 19: 417- 430.

12.Kilic, I. and Yaslioglu, E. 2014. Ammonia and carbon dioxide concentrations in a layerhouse. Asian-Aust. J. Anim. Sci., 27(8): 1211-1218.

13.Kim, W.K., Weeks, L.J., Anderson, R.C., Nisbet, D.J., Dunkley, K. and Ricke, S.C. 2009. Effects of nitro-compounds on uric acid-utilizing microorganisms, nitrogen retention, and microbial community in laying hen manure. J. Environ. Sci. Health Part B., 44(4): 403-406.

14.Liu, Z., Wang, L., Beasley, D. and Oviedo, E. 2007. Effect of moisture content on ammonia emissions from broiler litter: A laboratory study. J. Atmos. Chem., 58: 41–53.

15.Mavimbela, D.T., Van Ryssen, J.B.J. and Last, R. 1997. The effect of high broiler litter diets as survival ration on the health of sheep. J. S. Afr. Vet. Assoc., 68: 121–124.

16.Meda, B., Hassouna, M., Aubert, C., Robin, P. and Dourmad, J.Y. 2011. In?uence of rearing conditions and manure management practices on ammonia and greenhouse gas emissions from poultry houses. World Poult. Sci. J., 67: 441–456.

17.Menegali, I., Tinôco, I.F.F., Zolnier, S., Carvalho, C.C.S. and Guimarães, M.C.C. 2012. Influence of different systems of minimum ventilation on air quality in broiler houses. Eng. Agric., 32(6): 1024-1033.

18.Min, B.R., Solaiman, S., Gurung, N., Behrends, J., Eun, J.S. and Taha, E. 2012. Effects of pine bark supplementation on performance, rumen fermentation, and carcass characteristics of Kiko crossbred male goats. J. Anim. Sci., 90(10): 3556- 3567.

19.Min, B.R., Solaiman, S., Shange, R. and Eun, J.S. 2014. Gastrointestinal bacterial and methanogenicarchaea diversity dynamics associated with condensed tannin-containing pine bark diet in goats using 16S rDNA amplicon pyro sequencing. Int. J. Microbiol., 2014:141909.

20.Moore, P.A., Daniel, T.C., Sharpley, A.N. and Wood, C.W. 1995. Poultry manure management: Environmentally sound options. J. Soil Water Conserv., 50: 321–327.

21.Naas, I.A. 2004. Categorias de poluentes do ar. In: Workshop qualidade do areminstalaçõeszootécnicas. Viçosa, MG. CDROM.

22.Naumann, H.D., Tedeschi, L.O., Zeller, W.E. and Huntley, N.F. 2017. The role of condensed tannins in ruminant animal production: advances, limitations and future directions. Rev. Bra. Zoot., 46(12): 929-949.

23.Pathak, A.K., Dutta, N. and Sharma, K. 2015. Influence of condensed tannins supplementation through leaf meal mixture on Urinary excretion of purine derivatives, microbial protein synthesis and performance of Haemonchus contortus infected sheep. J. Anim. Res., 5(4): 719-727.

24.Pathak, A.K., Dutta, N., Pattanaik, A.K., Chaturvedi, V.B. and Sharma, K. 2017. Effect of condensed tannins from Ficus infectoria and Psidium guajava leaf meal mixture on nutrient metabolism, methane emission and performance of lambs. Asian-Aust. J. Anim. Sci., 30(12): 1702-1710.

25.Singh, S., Pathak, A.K., Khan, Muzaffar and Sharma, R.K. 2016. Effect of tanniferous leaf meal mixture based multi nutrient blocks on nutrient utilization and biochemical profile of Haemonchus contortus infected goats. Indian J. Anim. Res., 50(5): 725-732.

26.Snedecor, G.W. and Cochran, W.G. 2004. Statistical methods. 8th Edn., East West Press Pvt. Ltd., New Delhi.

27.Talpatra, S.K., Ray, S.C. and Sen, K.C. 1940. Estimation of phosphorus, chlorine, calcium, magnesium, sodium and potassium in foodstuffs. Indian J. Vet. Sci. Anim. Husb., 10: 243-258.

28.Tiquia, S.T. and Tamb, N.F.Y. 2000. Fate of nitrogen during composting of chicken litter. Environ. Poll., 110(3): 535-541.

29.Tsadik, A.G., Tamir, B. and Melaku, S. 2008. Inclusion of different proportions of poultry litter in the rations of yearling Hararghe Highland goats. Livest. Res. Rural Dev., 20: 48 (online version).

30.Van Ryssen, J.B.J. 2001. Poultry litter as a feedstuff for ruminants: A South African scene. SA-Anim. Sci., 2: Accessed Apr. 2012. http://www.sasas.co.za/Popular/ Popular.html.