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Apparent digestibility coefficient of chickpea, maize, high-quality protein maize, and beans diets in juvenile and adult Nile tilapia ( Oreochromis niloticus ) R. Bras. Zootec.
Montoya-Mejía,Magnolia; Hernández-Llamas,Alfredo; García-Ulloa,Manuel; Nolasco-Soria,Héctor; Gutierrez-Dorado,Roberto; Rodríguez-González,Hervey.
ABSTRACT The objective of our study was to assess the apparent digestibility of plant ingredients in diets for juvenile (50 g) and adult (220 g) Nile tilapia (Oreochromis niloticus). Dietary dry matter and protein apparent digestibility coefficients of four plant-derived feedstuffs (chickpea, maize, high-quality maize protein, and beans) were tested. The beans diet had the lowest apparent digestibility coefficient of dry matter (ADCDM) (69.41%), while no significant differences were detected in ADCDM among the other diets; ADCDM was significantly higher in adults compared with juveniles (77.02 vs. 73.76%). Apparent dry matter digestibility coefficient of ingredients (ADCI) was significantly higher in the chickpea (70.48%) and high-quality protein maize...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adults; Feedstuffs; In vivo digestibility; Juveniles; Plant ingredients.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000800427
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Digestibility, growth, blood chemistry, and enzyme activity of juvenile Oreochromis niloticus fed isocaloric diets containing animal and plant byproducts R. Bras. Zootec.
Montoya-Mejía,Magnolia; García-Ulloa,Manuel; Hernández-Llamas,Alfredo; Nolasco-Soria,Hector; Rodríguez-González,Hervey.
ABSTRACT In this work, we studied the digestibility, growth, blood chemistry, and enzyme activity of Nile tilapia (Oreochromis niloticus) juveniles (0.95±0.18 g) using different animal (fish silage meal, whey meal, bovine blood meal, and red crab meal) and plant (extruded bean, extruded chickpea meal, coconut paste, Jatropha curcas meal, and chickpea meal) dietary byproducts. Nine isocaloric diets (321.92±9.10 kcal g−1) were evaluated for 60 days. The highest digestibility of crude protein values for animal and plant sources were obtained for the whey (93.6) and extruded bean meal (90.5) diets, respectively. The final body weight was higher for the red crab and extruded chickpea meal diets, meanwhile the fish silage and red crab byproducts obtained the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative byproducts; Digestive response; Formulated diets; Growth performance; Nile tilapia; Physiology.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017001200873
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Growth of fresh-water prawn Macrobrachium tenellum (Smith, 1871) juveniles fed isoproteic diets substituting fish meal by soya bean meal BABT
García-Ulloa Gomez,Manuel; López-Aceves,Luis Alberto; Ponce-Palafox,Jesús Trinidad; Rodríguez-González,Hervey; Arredondo-Figueroa,José Luis.
Growth parameters (standard length, weight, specific growth rate and daily weight gain) of prawn Macrobrachium tenellum juveniles fed 40% crude protein isoproteic diets substituting fish meal with soya bean meal at various levels (20, 40, 60, 80 and 100%) were evaluated for 45 days under laboratory conditions. Experimental diets were compared with a 100% fish meal based diet. Total survival was recorded for all the treatments at the end of the experiment. There were no significant differences (p > 0.05) for all the growth parameters among the dietary treatments. The initial mean weight (0.36 ± 0.10 g) increased almost three times (1.00 ± 0.13 g) after 45 days. The final specific growth fluctuated from 1.82% BW/d for the 60% soya bean meal inclusion...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth; Fresh water prawn; Macrobrachium tenellum; Isoproteic diets; Soya bean meal; Aquaculture.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000100008
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Novel single nucleotide polymorphisms in candidate genes for growth in tilapia ( Oreochromis niloticus ) R. Bras. Zootec.
Cuevas-Rodríguez,Breidy Lizeth; Sifuentes-Rincón,Ana María; Ambriz-Morales,Pascuala; García-Ulloa,Manuel; Valdez-González,Francisco Javier; Rodríguez-González,Hervey.
ABSTRACT The objective of the present work was to identify and validate single nucleotide variations located in candidate genes to growth traits in tilapia (Oreochromis niloticus). Two transitions were identified in the promoter region of the growth hormone gene (GH); eight nucleotide changes were identified in introns and promoter region of the IGF-I gene; and a transition (T/C) was identified in the Myogenin gene (MyoG). The highest genotypic frequency (0.8) for GHpA1 and MyoG was found in the GG and TT homozygous individuals, while the highest frequency (0.9) for GHpB1 was observed in the CT heterozygous fish. There was no genotypic frequency in the CC homozygous tilapia for the GHpB1 and MyoG markers. Based on their allelic frequencies, validation as...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Assisted selection markers; Genotypic frequency; Growth hormone gene; Myogenin gene.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000600345
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Use of a mixture of vegetal (Jatropha curcas) and animal (fish silage) byproducts as protein source in shrimp (Litopenaeus vannamei) diets R. Bras. Zootec.
Rodríguez-González,Hervey; López-Aguilar,Martín R.; Fonseca-Madrigal,Jorge; Martínez-Palacios,Carlos A.; García-Ulloa,Manuel.
ABSTRACT This study evaluated growth responses of white shrimp Litopenaeus vannamei by testing different combinations of Jatropha curcas kernel meal (JCK) and tilapia waste silage (FS) as dietary protein sources under laboratory and pond conditions. A reference diet (RD) based on fish meal was elaborated to contain 35% crude protein and 434 kcal/g; then, five isoproteic and isoenergetic experimental diets were formulated from RD with different FS/JCK proportions as follows: 75%FS/0%JCK; 56.25%FS/13.25%JCK; 26.5%FS/30.89%JCK; 18.75%FS/39.75%JCK; and 0%FS/53%JCK. For the laboratory trial, shrimp (2.90 g) were stocked at 10 m2 in an indoor recirculating system during 90 days. There were differences among the growth parameters of diets. Mean weight gain...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative diets; Aquafeeds; Growth performance; Survival; White shrimp.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100108
Registros recuperados: 5
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