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박철주,선상수 아세아·태평양축산학회 2022 Animal Bioscience Vol.35 No.10
Objective: This study focused on the effect of dietary metallo-protease and Bacillus velezensis CE 100 on growth performance, carcass parameters, intestinal microflora, footpad dermatitis (FPD), and manure odor in broiler chickens. Methods: One hundred-ten (two-day-old Ross 308) broiler chicks were randomly assigned to five groups with two replicate pens. The dietary treatments were divided to control, metallo-protease groups (A1, added with 0.1%; A2, added with 0.2%) and B. velezensis CE 100 groups (B1, added with 0.5%; B2, added with 1.0%). Results: The feed intake was decreased in A1 and B2 compared to the other group (p<0.05). The liver weight was lower in B2 than in A2 (p<0.05). The Salmonella in the cecum was decreased in A2 compared to control and A1 (p<0.05). However, the lactic acid bacteria were increased in all treatments (p<0.05). The litter moisture content was decreased in A2, B1, and B2 (p<0.05). The litter quality visual score was increased in all treatments (p<0.05). The FPD score and prevalence were reduced in all treatments (p<0.05). The (CH3)2S emission was decreased in all treatments (p<0.05). Conclusion: The present study indicated that both additives improve litter quality and reduce the incidence of FPD. These findings suggest that dietary metallo-protease and B. velezensis CE 100 have the potential to improve the broiler chickens’ welfare. Objective: This study focused on the effect of dietary metallo-protease and Bacillus velezensis CE 100 on growth performance, carcass parameters, intestinal microflora, footpad dermatitis (FPD), and manure odor in broiler chickens.Methods: One hundred-ten (two-day-old Ross 308) broiler chicks were randomly assigned to five groups with two replicate pens. The dietary treatments were divided to control, metallo-protease groups (A1, added with 0.1%; A2, added with 0.2%) and B. velezensis CE 100 groups (B1, added with 0.5%; B2, added with 1.0%).Results: The feed intake was decreased in A1 and B2 compared to the other group (p<0.05). The liver weight was lower in B2 than in A2 (p<0.05). The Salmonella in the cecum was decreased in A2 compared to control and A1 (p<0.05). However, the lactic acid bacteria were increased in all treatments (p<0.05). The litter moisture content was decreased in A2, B1, and B2 (p<0.05). The litter quality visual score was increased in all treatments (p<0.05). The FPD score and prevalence were reduced in all treatments (p<0.05). The (CH<sub>3</sub>)2<sub>S</sub> emission was decreased in all treatments (p<0.05).Conclusion: The present study indicated that both additives improve litter quality and reduce the incidence of FPD. These findings suggest that dietary metallo-protease and B. velezensis CE 100 have the potential to improve the broiler chickens’ welfare.
박철주 한국어의미학회 2007 한국어 의미학 Vol.24 No.-
Park Cheol-ju. 2007. Relationship with Tense of inference and Implicature. Korean Semantics, 24. The objective of this study was to reveal about relationship with tense of inference and implicature. So far, very little has been done in this direction. Relationship with tense of inference and implicature have not, so far, been noticed, nor have they been studied in detail. Therefore, my aim is to add a new perspective to Pragmatics by its analysis.
함축구문 형성규칙에 대한 연구 - 주제구문에 의하여 -
박철주 한국텍스트언어학회 2006 텍스트언어학 Vol.20 No.-
The implicature was examined by a pragmatic approach during that time but by the quality of the pragmatic analysis which considers seriously the context and meaning, the result stayed from the degree which reveals the nature and a definition of the implicature and it came. For that reason regarding the true identity of the implicature in order to grasp its basic structure and it approached from viewpoint of the construction of a sentence of the theme from this Study. By this consequently from this Study against the implicature it classifies with the implicature it violates the maxim of Quality and the implicature it violates the maxim of Quantity and the implicature it violates the maxim of Relevance and the implicature it violates the maxim of Manner and these form the implicature each to be, what kind of rule and condition should have come to give, it confirmed.
출혈성 쇽을 유도한 토끼에서 Desmopressin Acetate 가 혈액응고에 미치는 영향
박철주,이지영,유유나 대한마취과학회 1996 Korean Journal of Anesthesiology Vol.30 No.2
Background: Desmopressin acetate (DDAVP) may improve hemostasis in congenital or acquired disorders of coagulation and reduce operative blood loss in patients undergoing surgical procedures. The effects of DDAVP on coagulation in hemorrhagic shock were studied in rabbits subjected to severe hemorrhage. Methods: 20 rabbits were bled to shock and infused lactated Ringer's solution simultaneously so that the mean arterial pressure were maintained above 50 mmHg. Animals were randomly received DDAVP 0.3 ㎍/kg (group Dl), 3 ㎍/kg (group D10) or saline (group S) over 15 minutes. Bleeding time and factor VIII coagulant activity (FVIII:C) were measured before, after shock and 45 minutes after DDAVP or saline infusion. Results: After shock, bleeding time was not changed but FVIII:C was decreased significantly in all groups. After saline or DDAVP infusion, bleeding time was not changed in group S and group Dl, whereas shortened in group D10 from 107.5±11.3 second to 87.5±17.5 second (P $lt;0.05). After saline or DDAVP insion, FVIII:C was decreased in group S and group Dl (P$lt;0.05), but not changed in group D10. Conclusions: Infusion of DDAVP 3 ug/kg shortens bleeding time and causes an increase of FVIII:C than other groups in rabbits resuscitated from hemorrhagic shock.