Consulta: subjectFacets:"Concentrate"
Registros recuperados: 11
Data/hora: 07/06/2024 08:15:55

Production of microalgal concentrates by flocculation and their assessment as aquaculture feeds
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Knuckey, R; Brown, M; Robert, Rene; Frampton, D.
A novel technique was developed for the flocculation of marine microalgae commonly used in aquaculture. The process entailed an adjustment of pH of culture to between 10 and 10.6 using NaOH, followed by addition of a non-ionic polymer Magnafloc LT-25 to a final concentration of 0.5 mg L&amp;#8722;1. The ensuing flocculate was harvested, and neutralised giving a final concentration factor of between 200- and 800-fold. This process was successfully applied to harvest cells of Chaetoceros calcitrans, C. muelleri, Thalassiosira pseudonana, Attheya septentrionalis, Nitzschia closterium, Skeletonema sp., Tetraselmis suecica and Rhodomonas salina, with efficiencies &amp;#8805;80%. The process was rapid, simple and inexpensive, and relatively cost neutral with...
Tipo: Text
Palavras-chave: Chaetoceros; Thalassiosira; Flocculation; Concentrate; Bivalve; Algal paste.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-1820.pdf

Effects of addition of fluorine in diets differing in protein content on urinary fluoride excretion, clinical chemistry and thyroid hormones in calves
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Lohakare,Jayant; Pattanaik,Ashok Kumar.
In order to compare the effects of addition of fluorine (F) in diets differing in protein content on the urinary F excretion, blood profile and thyroid hormones, 30 crossbred calves (6-8 months) initially exposed to different protein levels were allotted into six groups in a 3 × 2 factorial design. The factors included three different levels of protein: normal (NP; 100%), low (LP; 75%), and high (HP; 125%) besides two levels of supplemental fluorine (as sodium fluoride) at 0 or 200 mg/kg diet. The animals were fed a wheat straw-based diet for 210 d. Feeding NP diets decreased urinary fluoride excretion, measured at 42 d intervals, compared with LP diets. Blood levels of hemoglobin and haematocrit, measured at 70 d intervals, were not affected by either...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Blood; Cattle; Concentrate; Fluorosis; Sodium fluoride; Urine.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001000009

Replacement of soybean meal by cottonseed meal in diets based on spineless cactus for lactating cows
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Silva,Fabiana Maria da; Ferreira,Marcelo de Andrade; Guim,Adriana; Pessoa,Ricardo Alexandre Silva; Gomes,Luiz Henrique dos Santos; Oliveira,Júlio César Vieira de.
The objective of this study was to evaluate the replacement of soybean meal by cottonseed meal in the diet of dairy cows fed diets based on spineless cactus. Five Girolando lactating cows were used, with average live weight of 490 kg and average production of 11.5 kg of milk/day, distributed in a 5 × 5 Latin square design (5 animals, 5 treatments and 5 experimental periods). Each experimental period lasted 15 days, 10 days being for the adaptation of the animals to the diet and 5 days for data collection. The experimental diet consisted of spineless cactus (53%), sorghum silage (32%) and concentrate (15%). The cottonseed meal replaced 0, 25, 50, 75 and 100% of soybean meal in the concentrate. The intake, milk yield and composition were evaluated. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Concentrate; Dairy cows; Protein.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009001000020

The effect of a voluminous concentrate proportion of full pelletized feed containing sunflower cake on the in vitro bovine ruminal digestibility
Provedor de dados: Revista de Educação Continuada em Medicina Veterinária e Zootecnia do CRMV-SP
Autores: Oliveira, Mauro Dal Secco de; Lew, Betina Joyce.
The objective of the present study was to determine in vitro dry matter ruminal digestibility (IVDMD),crude protein (lVDCP), neutral detergent fiber (IVDFDN) and acid detergent fiber (IVDFDA) in three different total feed mixes containing sunflower cake extracted by a cold press system. Treatments with five replications, following a fully randomized design were applied: C80V20; C70V30 andC60V40, pelletized total mix feed containing 80:20; 70:30 and 60:40% concentrate: Lucerne hay respectively. No influence of the different concentrations in IVDMS, IVDCP and IVDFDA was detected (P&gt;0.05). However, the only protein source in the concentrate was sunflower cake, which is rich in fat, and must be used according to maximum determined proportions for the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bovine; Concentrate; Crude protein; Ruminal liquid; Ankom; Analyzer Vacuno; Concentrado; Líquido ruminal; Fermentador; Ankom; Proteína bruta bovinos; Concentrado; Líquido ruminal; Fermentador; Ankom; Proteína bruta.
Ano: 2002
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/3294

Feedlot performance, feeding behavior and rumen morphometrics of Nellore cattle submitted to different feeding frequencies
Provedor de dados: Scientia Agricola
Autores: Silva,Juliana da; Carrara,Tássia Veluma Barbosa; Pereira,Murillo Ceola Stefano; Oliveira,Cassiele Aparecida de; Batista Júnior,Ivan Carlos; Watanabe,Daniel Hideki Mariano; Rigueiro,André Luiz Nagatani; Arrigoni,Mário De Beni; Millen,Danilo Domingues.
ABSTRACT: Owing to the lack of information in the literature about the ideal feeding frequency adopted by feedlot systems, this study was designed to evaluate the effect of different feeding frequencies on performance, carcass traits, feeding behavior and rumen morphometrics of Nellore cattle. Forty-eight yearling bulls were housed in individual pens with an average initial body weight of 358.2 kg. The experiment was designed as a completely randomized block and the treatments were the feeding of cattle one, two, three, or four times daily (n = 12 per treatment). Orthogonal contrasts were used to assess linear, quadratic and cubic relationship between feeding frequency and the dependent variable. As feeding frequency increased, final body weight (p = 0.03)...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Zebu; Carcass; Concentrate; Intake; Papillae.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000200121

ศักยภาพของการใช้โปรตีนก้อนเพื่อทดแทนอาหารข้นในโคนม
Provedor de dados: Thai Agricultural Research Repository
Autores: Jiraporn Odton; Choke Mikled; Nattaphon Chongkasikit.
Study was conducted to evaluate the chemical composition of Protein Block (PB) I, II and concentrate. The result of chemical analysis were showed that the dry matter (DM) 94.54, 93.48 and 89.16 percent; crude protein (CP) 45.85, 41.41 and 15.41 percent; crude fiber (CF) 4.26, 1.90 and 3.36 percent; ash 25.38, 26.99 and 6.36 percent; and ether extract (EE) 8.58, 1.18 and 4.98 percent, respectively. Nutrients digestibility and energy contents were studied by gas production technique. The predication values of organic matter digestibility of protein block I, protein block II and concentrate residue were 84.56 ± 5.08, 75.41 ± 2.68 and 114.86 ± 0.89 percent, metabolizable energy (ME) 7.65 ± 1.30, 8.33 ± 1.61 and 9.89 ±1.19 MJ/kg and net energy for lactation...
Tipo: Collection
Palavras-chave: Protein block; Concentrate; Matabolizable energy; Net energy; Lactation; โคนม; โปรตีนก้อน; อาหารข้น; องค์ประกอบทางเคมี; พลังงานที่ใช้ประโยชน์ได้; พลังงานสุทธิเพื่อการให้นม; ปริมาณน้ำนม.
Ano: 2011
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5175

Feedlot performance and carcass yield of Hararghe Highland (Bos indicus) bulls using different concentrate feeds
Provedor de dados: Acta Scientiarum: Animal Sciences
Autores: Gebremariam, Tsegay Teklebrhan.
A study was conducted to evaluate the feedlot performance and carcass yield of Hararghe Highland bull using different types of concentrate feeds fed grass hay as a basal diet in eastern Ethiopia. Thirty Hararghe Highland bulls were blocked by weight and randomly allocated to one of the following six treatments. T1 = Hay ad libitum + 4kg dried cafeteria leftover; T2 = Hay ad libitum + 4kg wheat bran; T3 = Hay ad libitum + 4 kg d-1 maize grain; T4 = Hay ad libitum + 4kg d-1 mix (1:1, wheat bran to maize grain, respectively); T5 = Hay ad libitum + 4kg scrambled whole groundnut; T6 = Hay ad libitum + 4kg d-1 mix (equal proportion of maize grain, wheat bran, dried cafeteria leftover and scrambled whole groundnut. Bulls were fed for 90 days and slaughtered for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Concentrate; Carcass yield; Feedlot; Hararghe Highland bull.
Ano: 2018
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42557

Efeito da suplementação sobre a digestibilidade dos nutrientes e desempenho de bezerros lactentes mantidos em pastagens de Brachiaria brizantha - DOI: 10.4025/actascianimsci.v32i1.4849
Provedor de dados: Acta Scientiarum: Animal Sciences
Autores: Sampaio, Alexandre Amstalden Moraes; Unesp; Fernandes, Alexandre Rodrigo Mendes; UCDB; Henrique, Wignez; Agência Paulista de Tecnologia dos Agronegócios - Apta; Ribeiro, Glauco Mora; APTA; Oliveira, Emanuel Almeida de; APTA; Silva, Tiago Máximo da; APTA.
Foi avaliado o efeito da suplementação e do tipo do suplemento sobre a digestibilidade dos nutrientes e o desempenho de bezerros Canchim lactentes mantidos em pastagem de Brachiaria brizantha cv. Marandu durante os meses de fevereiro a maio. Os tratamentos foram: sem e com suplementação em creep-feeding com concentrado proteico, com concentrado energético e com concentrado energético-proteico. Em quadrado latino, foi avaliada a digestibilidade dos nutrientes, utilizando-se quatro bezerros mantidos em baias individuais, recebendo feno da mesma forrageira e com mamadas controladas duas vezes ao dia. O desempenho foi avaliado em delineamento inteiramente casualizado, sendo os 23 bezerros mantidos junto com as matrizes. A suplementação com concentrado...
Tipo: Pesquisa de campo
Palavras-chave: Área de olho de lombo; Canchim; Concentrado; Espessura de gordura de cobertura backfat thickness; Canchim; Concentrate; Loin eye area.
Ano: 2009
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4849

Nitrogen compounds balance and microbial protein synthesis in supplemented crossbred dairy cows in pasture
Provedor de dados: Acta Scientiarum: Animal Sciences
Autores: Gutierrez, Gabriela Santistevan; Lana, Rogério de Paula; Teixeira, Cesar Roberto Viana; Rennó, Luciana Navajas; Veloso, Cristina Mattos.
The objective this work was to evaluate the supplementation of cows on Brachiaria decumbens pasture during the rainy-dry transition. Eight 1/2 Holstein/Zebu cows (497 ± 50 kg) were distributed in two 4 x 4 Latin squares, with 2 x 2 factorial treatments (100% mineral salt versus nitrogen salt containing 25:25:50% urea: corn: mineral salt, and 1.5 versus 3.0 kg d-1 concentrate per cow). The experiment lasted 56 days, divided into four periods of 14 days, the last seven days for data collection. No interaction effect (p &gt; 0.05) was detected between the supplement and the different levels of concentrate for any of the evaluated variables. No effect (p &gt; 0.05) of supplement or concentrate level was observed on urinary excretions of purine derivatives,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Concentrate; Microbial growth; Ruminal fermentation; Supplementation.
Ano: 2018
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42556

Silage of rehydrated corn grain
Provedor de dados: Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Autores: Mombach,M.A.; Pereira,D.H.; Pina,D.S.; Bolson,D.C; Pedreira,B.C.
ABSTRACT The objective with this study was to evaluate the effect of different levels of water inclusion on the chemical composition and fermentation profiles of reconstituted corn grain silage. The experiment was carried out in a factorial arrangement in a completely randomized design, with three replicates per treatment. Five treatments were evaluated with different levels of water inclusion (% of the natural matter): dry corn grain (control); 90% dry corn grain (DCG) and 10% water; 80% DCG and 20% water; 70% DGC and 30% water; and 60% DCG and 40% water, totaling 45 experimental silos. Inclusion of water in the silage of reconstituted corn grain promoted a reduction in the CP (%) and NDF (%) contents. However, the water increase elevated the NPN/TN...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Water; Concentrate; Ensiling; Fermentation; Moisture.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000300959

Choice of grazed herbage or maize silage by lactating dairy cows: influence of sward height and concentrate level
Provedor de dados: Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Autores: Hernandez-Mendo,O.; Leaver,J.D.
The preference of lactating dairy cows for grazed herbage or maize silage (MS), simultaneously offered ad libitum in the field, was examined at two sward heights (SH 4-6 and 8-10cm) and two concentrate levels (CL 0 and 6kg day-1) in a 2x2 factorial arrangement within a completely randomised experimental design. The experiment lasted 35 days and was carried out in spring using 24 multiparous Holstein Friesian cows. On average, the cows proportionately spent more time grazing than eating MS (0.85:0.15) and even though the higher rate of intake (RI) of dry matter (DM) of MS compared with grazed herbage (76 versus 26g DM min-1), the proportion of total DM intake as herbage was higher compared to that of MS (0.56:0.44). The higher crude protein and low fibre...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Milking cow; Diet selection; Concentrate; Sward height.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352010000500019