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The objective of the paper was to determine the impact of moisture and rotational speed of threshers on the process of crushing of lupine seeds. Raw material was led to four levels of moisture from 8 to 14% every 2%. The studies were carried out on the laboratory hammer mill with the use of variable speeds of mill hammers within 5500-7000 rot∙min−1. The studies that were carried out proved significant relations (p<0.05) between the analysed process variables and energy consumption and susceptibility of seeds to crushing. It was stated that along with the increase of the rotational speed, a reduction in the drop of the average dimension of particles of mill takes place. Along with the increase of moisture of lupine from 8 to 14% a unit energy of crushing increases on average by approx. 83%. It was proved that the susceptibility ratio of seeds to crushing increases along with the increase of raw material moisture. Such relations were determined for all investigated rotational speeds of hammers.

. Inżynieria Rolnicza, 3(121), 45-52. Guo, L., Tabil, L. G., Wang, D., Wang, G. (2016). Influence of moisture content and hammer mill screen size on the physical quality of barley, oat, canola and wheat straw briquettes. Biomass & Bioenergy 94, 201-208. Hejft, R. (2002). Ciśnieniowa aglomeracja materiałów roślinnych. Wyd. i Zakład Poligrafii Instytutu Technologii Eksploatacji, Radom. ISBN 83-7204-251-9. Kalyan, N., Morey, R. V. (2009). Factors affecting strengh and durability of desified biomass product. Biomass & Bioenergy, 33, 337-359. Kalyan, N., Morey, R.V. (2010

-State Dairy Nutrition & Management Conference, pp. 1–3. Karimizadeh E., Chaji M., Mohammadabadi T. (2017). Effects of physical form of diet on nutrient digestibility, rumen fermentation, rumination, growth performance and protozoa population of finishing lambs. Anim. Nutr., 3: 139–144. Kazemi-Bonchenari M., Salem A.Z.M., López S. (2017). Influence of barley grain particle size and treatment with citric acid on digestibility, ruminal fermentation and microbial protein synthesis in Holstein calves. Animal, 11: 1295–1302. Khan G. (2014). Effects of hammer milling, roller

function. Gut, 35(suppl. 1): S35-S38. Stein H.H., Fuller M.F., Moughan P. J., Sève B., Mosenthin R., Jansman A.J.M., Fernández J.A., de Lange C.F.M. (2007). Definition of apparent, true, and standardized ileal digestibility of amino acids in pigs. Livest. Sci., 109: 282-285. Svihus B., Kløvstad K.H., Perea V., Zimonja O., Sahlström S., Schuller R.B., JeksrudW.K., Prestløkken E. (2004). Physical and nutritional effects of pelleting of broiler chicken diets made from wheat ground to different coarsenesses by the use of roller and hammer mill. Anim. Feed Sci. Technol., 117

comparison. Shredding process I Cut rolled stem (CAS) process . Shredding process Cut rolled stem (CAS) process Tobacco Whole flue-cured Virginia leaf (stem and lamina) Throughput 1400 kglh at 21% 1700 kglh at 21% origin grown in the southern Ontario (Canada) moisture (controlled by moisture. tobacco region. welghbelt at shredder). Threshing In-line green leaf threshing using rotary process hammer mill and basket. Output moisture for stem and lamina: 12.5%. Stem length at output: approximately 5 cm. Costs Refiners (2 at 1800 kglh Flatteners ( 4 at 600 kg I h (Cdn