COLDEBELLA, A.

KUTSCHENKO, M.

LIMA, G. J. M. M. de

LOYOLA, W.

MANZKE, N. E.

NOGUEIRA, E. T.

SCAPINI, L. B.

XAVIER, E. G.

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107J. Anim. Sci. Vol. 91, E-Suppl. 2/J. Dairy Sci. Vol. 96, E-Suppl. 1T305   Oral administration of amino acids as energy sources for newborn piglets.1(0DQ]NH1, L. B. Scapini2, W. Loyola3, M. Kutschenko4, J. M. Fontana5, E. T. Nogueira4(*;DYLHU1, A. Coldebella3, and G. J. M. M. Lima*3, 1Universidade Federal de Pelotas, Pelotas, RS, Brazil, 2Universidade Federal do Parana, Palotina, PR, Brazil, 3EMBRAPA, Concordia, SC, Brazil, 4Ajinomoto, Sao Paulo, SP, Brazil, 5Granja Fontana, Charrua, RS, Brazil.Amino acids have been supplemented in diets due to their beneficial effects on performance, health and immune status. Some of these occur because they may be readily available sources of energy, especially to young animals, which may face malnutrition after birth. This study was carried out to evaluate the effects of glutamine (Gln), glutamic acid (Glu) and AminoGut (Amg) supplementation on performance, immune response and blood SDUDPHWHUV)RUW\VHYHQOLWWHUVVHOHFWHGEDVHGRQJHQRW\SHDQGSDULW\ZHUHGLVWULEXWHGDFFRUGLQJWRDFRPSOHWHUDQGRPL]HGEORFNdesign. Within each litter, 4 piglets were chosen with body weights close to litter average. Treatments consisted of daily intragastric DSSOLFDWLRQVRIP/GRVHVFRQWDLQLQJRQHRIWKHIROORZLQJ3ODcebo: distilled water; Gln: 2 g LJOXWDPLQH*OXJLJOXWDPLFacid; Amg: 2 g of the commercial mixture of LJOXWDPLQH DQGLJOXWDPLF DFLG$QLPDOV ZHUH VXSSOHPHQWHG ZLWK WUHDWPHQWValong the first 7 d of life with the first dose provided to piglets just after colostrum consumption. There were no treatment effects (P > 0.10) on individual weight and weight gain of piglets. Amino acid supplementation increased (P    WKH GLDPHWHU RI WKHpapule produced by Phaseolus vulgaris lectin skin test at 24 h DIWHU LQWUDGHUPDO LQMHFWLRQ FRPSDUHGZLWK 3ODFHER PPAmg (8.68 mm) and Glu (8.09 mm) showed the highest response for this variable (P < 0.05), at the same time as Amg promoted KLJKHU FHOOPHGLDWHG LPPXQLW\ WKDQ *OQ PPP < 0.05) ZKHQFRPSDUHGZLWK3ODFHERE\tWHVW7KHUHZHUHQRGLIIHUHQFHVin plasmatic levels of glucose (P    DQG FUHDWLQLQH P  0.49) among treatments. However, serum urea was significantly higher (P < 0.0001) in animals supplied with Gln, when compared ZLWK*OX$PJDQG3ODFHER*OXDQG$PJDOVRLQFUHDVHGEORRGXUHDFRPSDUHGZLWKWKH3ODFHERJURXS+LJKHUEORRGXUHDOHYHOVverified in amino acid supplemented piglets may suggest that the amounts supplied are above requirements. Despite there were no significant responses on piglet weight, amino acid supplementation SURYLGHGEHWWHU FHOOPHGLDWHG LPPXQLW\ZLWK DKLJKHU UHDFWLRQshown by animals receiving Amg and Glu.Key Words: glutamine, glutamic acid, AminoGutT306   Effect of dietary lysine to energy ratio on growth perfor-mance and sensory characteristics of indigenous Venda chickens. 2-$ODEL -:1J¶DPEL DQG'1RUULVUniversity of Limpopo, Mankweng, Polokwane, South Africa.The study determined the effect of dietary lysine to energy ratio on optimal productivity, carcass and sensory characteristics of indigHQRXV9HQGDFKLFNHQVDJHG±ZHHNV$FRPSOHWHO\UDQGRPL]HGGHVLJQZDV XVHG2QH KXQGUHG DQG  IHPDOH LQGLJHQRXV9HQGDFKLFNHQV%:JZHUHDOORFDWHGWRGLHWDU\WUHDWPHQWVEach treatment was replicated 4 times and each replicate had 10 FKLFNHQV)RXUPDL]HVR\EHDQVEDVHGGLHWVZHUHIRUPXODWHG(DFKtreatment had similar dietary lysine (12 g/kg DM) but different energy levels (11, 12, 13 and 14 MJ ME/kg DM), thus, forming 4 dietary lysine to energy ratios (L:E) of 1.09, 1.00, 0.92 and 0.86, respectively. Data on chicken productivity, carcass characteristics (as percentages of live weights) and meat sensory attributes were PHDVXUHG7KHVH GDWDZHUH DQDO\]HG XVLQJ RQHZD\$129$$quadratic curve estimate model was used to determine dietary lysine to energy ratio for optimum growth rate, feed intake, FCR, PHWDEROL]DEOH HQHUJ\ 1UHWHQWLRQ UHODWLYH FDUFDVV DQG VHQVRU\characteristic values. Results showed that dietary lysine to energy ratio of 0.88 supported optimum growth rate (17.89 g/bird/day), heart ZHLJKWDQGPHDWIODYRUSRLQWVRXWRIDSRLQWKHGRQLFscale). While a ratio of 0.99 g/MJ ME supported optimum feed intake (109.92 g/bird/day), FCR (6.05 g feed/g live weight gain), PHWDEROL]DEOHHQHUJ\YDOXH0-0(NJ1UHWHQWLRQg/bird/day), carcass (87.18%), breast meat (20.36%) and drumstick $ KLJKHU UDWLR RI  RSWLPL]HG OLYHU ZLQJ JL]]DUG  DQG IDW SDG 0HDW WHQGHUQHVVDQGMXLFLQHVVSRLQWVHDFKRXWRIDSRLQWKHGRQLFVFDOHZHUHRSWLPL]HG DW D UDWLR RI 7KXV GLHWDU\ /( OHYHO IRU FKLFNHQSURGXFWLRQ RSWLPL]DWLRQ GHSHQGHG RQ WKH SDUWLFXODU SDUDPHWHU RIinterest. These findings have many implications on ration formulation for female indigenous Venda chickens.Key Words:JURZWKSHUIRUPDQFHO\VLQHWRHQHUJ\UDWLRRSWLPL]DWLRQT307   Evaluation of dietary glutamic acid plus glutamine levels on the growth performance of piglets. D. Lescano1, L. Albino1, M. Hannas1, S. Salguero1, M. Kutschenko2, E. Nogueira2, and H. Rostagno*1, 1Federal University of Viçosa, Viçosa, MG, Brazil, 2Ajinomoto of Brazil Ajinomoto Animal Nutrition, São Paulo, SP, Brazil.$VWXG\ZDVFRQGXFWHGWRHYDOXDWHWKHXWLOL]DWLRQRIGLHWDU\OHYHOVof a commercial product containing glutamic acid plus glutamine (min 95%) in diets for weanling pigs (18 d) to 46 d old. A total of 44 SLJOHWVZHUHUDQGRPO\DVVLJQHGLQDFRPSOHWHO\UDQGRPL]HGEORFNdesign into 4 treatments, 5 replicates and 2 or 3 pigs per experimental XQLW7KHWUHDWPHQWVZHUH7 7 7 DQG7    JOXWDPLF DFLG *OX SOXV JOXWDPLQH *OQ'LHWVZHUHEDVHGRQFRUQVR\EHDQPHDOSUHFRRNHGFRUQGDLU\SURGXFWVEORRGplasma, LO\VLQHLWKUHRQLQHDQGDLPHWKLRQLQH7KHH[SHULPHQWDOperiod lasted 28 d and the parameters evaluated were body weight, weight gain, feed intake and feed conversion ratio. The addition of Glu plus Gln improved linearly (P < 0.05) daily feed intake (DFI) and feed conversion ratio (F:G) of the piglets. There were also linear (P < 0.01) and quadratic effects (P < 0.04) of dietary Glu plus Gln OHYHORQ¿QDOERG\ZHLJKW)%:WRWDOZHLJKWJDLQ7:*DQGGDLO\weight gain (DWG) of the piglets (Table 1). It is concluded that the best dietary Glu plus Gln level is 0.8% for weanling piglets from 18 to 46 days of age.Table 1. Growth performance of weanling piglets from 18 to 46 days of age3DUDPHWHUGlu plus Gln (%) RegressionCV (%)0.0 0.4 0.8 1.2 Linear QuadraticBW initial, kg 5.24 5.24 5.22 5.06 NS NS 3.22FBW, kg 15.41 16.55 17.33 16.95 <0.002  0.03 4.24DFI, kg 0.48 0.55 0.52 0.54 <0.04 NS 6.13TWG, kg 10.16 11.30 12.11 11.88 <0.001 <0.04 6.13DWG, kg 0.36 0.40 0.43 0.42 <0.001 <0.04 6.13F:G ratio 1.34 1.33 1.17 1.23 <0.002 NS 5.1216 QRWVLJQLILFDQWP > 0.05).Key Words: piglet, growth performance, glutamic acid plus glutamine

Oral administration of amino acids as energy sources for newborn piglets.

Oral administration of amino acids as energy sources for newborn piglets

Oral administration of amino acids as energy sources for newborn piglets

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