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| Registros recuperados: 80 | |
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| Ortolani,Enrico Lippi. |
| Thirty crossbred two-year-old steers, kept on pasture of Braquiaria decumbens, were used in two different experiments of 90 days each. In the first experiment, the steers were randomly assigned in five groups of six steers each to verify the influence of different percentages of sodium chloride (SC) in mineral mix (MM) containing essential macro and microelements (A - 100% SC; B - 80% SC/20% MM; C - 60% SC/40% MM; D - 40% SC/ 60 MM and E - 20% SCl/80 MM) on the consumption of the mineral supplement and the weight gain. In the second experiment, the same steers were reassigned to three groups of 10 animals each to study the effect of mineral salt (40% SC/60% MM) offered loose, partially blocked or as a hard block on the mineral consumption and weight gain.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mineral supplement; Cattle; Sodium; Intake; Physical form; Weight gain; Pasture. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781999000400023 |
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| Magalhães,K.A.; Valadares Filho,S.C.; Paulino,P.V.R.; Paulino,M.F.; Valadares,R.F.D.. |
| The effects of urea levels on feed intake, digestibility and carcass traits of 27 confined cross bred steers weighing 303.25 ± 60.8kg, were evaluated. After weighing, castrating, vaccinating and a period of seven days, three steers were slaughtered at the beginning of the experiment and the remaining 24 were allotted in a completely randomized design to four isonitogenous experimental diets (12% of crude protein) and increasing level of urea on the dry matter-basis (0.0; 0.65; 1.30 and 1.65%) to replace soybean meal, so that the final content of the experimental diets were approximately 22, 37, 50 and 63% of crude protein in the form of NPN. Corn and elephant grass silages were supplied at a 70:30 ratio and the total diet had a 65:35, forage: concentrate... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feedlot; Carcass; Intake; Digestibility; Non-protein nitrogen. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352006000500023 |
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| Castañeda, Roman David; UEM; Branco, Antonio Ferriani; UEM; Coneglian, Sabrina Marcantonio; UEM; Barreto, Julio Cesar; UEM; Granzotto, Fernanda; UEM; Teixeira, Silvana; UEM. |
| Foram utilizados cinco bovinos machos, castrados, da raça Holandesa Preta e Branca, com 450 kg de peso vivo em um delineamento quadrado latino 5 x 5, sendo os tratamentos cinco níveis de substituição, 0, 25, 50, 75 e 100% de ureia por cloreto de amônio, como fontes de nitrogênio não-proteico da dieta. Houve redução linear (p < 0,05) na ingestão e no fluxo fecal, além de aumento na digestibilidade da MS, MO, PB, FDN e EE com a inclusão do cloreto de amônio na dieta. A inclusão de cloreto de amônio na dieta influenciou de forma quadrática (p < 0,05) o pH da urina, aumentou (p < 0,05) o volume urinário assim como a excreção de ácido úrico. Os tratamentos não influenciaram (p > 0,05) a excreção de alantoína e de derivados de purinas na urina,... |
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Palavras-chave: 5.04.03.00-1 derivativos de purina; Fermentação ruminal; Ingestão; Nitrogênio não-proteico; Ruminantes; Sais aniônicos anionic salts; Intake; Non-protein nitrogen; Purine derivatives; Ruminal fermentation; Ruminants. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/5938 |
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| Paziani, Solidete de Fátima; APTA - Centro Norte; Nussio, Luiz Gustavo; USP; Loures, Daniele Rebouças Santana; UFRB; Schmidt, Patrick; UFPR; Zopollatto, Maity; USP; Ribeiro, José Leonardo; Guabi-Nutrição Animal. |
| Avaliou-se o efeito do teor de matéria seca, uso de inoculante bacteriano e a redução do tamanho de partículas da silagem de capim-Tanzânia (Panicum maximum), sobre os parâmetros digestivos. Utilizaram-se sete novilhos da raça Nelore, em delineamento experimental Quadrado Latino 7 x 7. Os tratamentos foram: T1: Umidade original, partícula menor, sem inoculante bacteriano; T2: Umidade original, partícula menor, com inoculante bacteriano; T3: Emurchecido, partícula maior, com inoculante bacteriano; T4: Emurchecido, partícula maior, sem inoculante bacteriano; T5: Umidade original, partícula maior, com inoculante bacteriano; T6: Umidade original, partícula maior, sem inoculante bacteriano; T7: Umidade original, partícula maior, sem inoculante bacteriano, com... |
| Tipo: Digestibilidade |
Palavras-chave: Bovinos; Digestibilidade; Ingestão; Inoculante Avaliação de Alimentos para Animais beef cattle; Digestibility; Intake; Inoculant. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/5782 |
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| Rigolon,Luiz Paulo; Prado,Ivanor Nunes do; Cavalieri,Fábio Luiz Bim; Nascimento,Willian Gonçalves do; Copovila,Luiz Carlos; Ramos,Fabíola dos Santos; Moreira,Fernanda Barros. |
| The aim of this work was to study effect of the dry matter intake level on the concentrations of glucose, insulin, urea, estrogen and progesterone in the blood and the level of IGF-I in the follicular liquid of heifers. Twenty seven crossbred heifers were used, in three treatments: 1.2, 1.6 and 2.6% of the live weight of dry matter intake (DMI) daily. The sanguine concentrations of glucose and estrogen were higher in the animals with 1.6% of DMI and the insulin levels were higher in the animals with 2.6% of DMI. There was an increase in the sanguine levels of urea with the increase of the DMI. There was no effect of the DMI on the progesterone levels in the sanguine plasma collected from the jugular. The progesterone levels in caudal vena were higher in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: FSH; Hormones; Intake; Nutrition; Reproduction; Superovulation. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000100008 |
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| Alvarado G,Christian; Anrique G,René; Navarrete Q,Soledad. |
| A study was conducted to determine the effect of corn (Zea mays L.) grain processing on intake, digestibility of nutrients and milk production and composition. The effect of extrusion on nutrient digestibility was evaluated in trial 1, using ground corn as a control. In trial 2, the effect of extrusion on intake was evaluated, comparing extruded corn of two densities (357 and 308 g L-1) with rolled corn (507 g L-1) as a control. In trial 3, the effects of extrusion on milk production, digestibility and intake were evaluated; using steam rolled corn and ground corn as controls. No effects on dry matter and metabolizable energy intakes due to differences in the extruded corn grains were observed. Digestibility of dry matter, organic matter, crude protein,... |
| Tipo: Journal article |
Palavras-chave: Extruded corn; Intake; Digestibility; Milk production. |
| Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000300008 |
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| Cardoso,Rodrigo Carvalho; Paiva,Paulo César de Aguiar; Vilela,Duarte. |
| The work was developed in the experimental station of Embrapa Gado de Leite (Dairy Cattle Embrapa), in Coronel Pacheco, in Zona da Mata Region of Minas Gerais, with the purpose of evaluating the productive performance of Holstein cows kept on 'Coast-cross' (Cynodon dactylon (L.) Pears) pasture, fertilized, strategically irrigated and where the cows were daily supplemented with 3 or 6 kg of concentrate/cow/day. The data were collected during three years (October/2000 to October/2003), involving 108 lactations. An experimental randomized block design with two replicate areas per treatment was adopted, with nine animals per area and eighteen animals per treatment being utilized, with fixed stocking rate of five cows/ha. The system of grazing, under rotated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Nutrition; Intake; Grazing; Milk production; Milk quality; Reproductive performance. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542009000600029 |
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| Freitas Júnior,José Esler de; Rennó,Francisco Palma; Santos,Marcos Veiga dos; Gandra,Jefferson Rodrigues; Maturana Filho,Milton; Venturelli,Beatriz Conte. |
| The objective of this study was to evaluate the use of fat sources in rations for lactating cows on the productive performance and composition of milk protein fraction. Twelve Holstein cows were used, grouped in three balanced 4 × 4 Latin squares, fed with the following rations: control; refined soybean oil; whole raw soybean; and calcium salts of unsaturated fatty acid (Megalac-E). Dry matter and nutrient intake, and daily milk production were evaluated. The samples used to analyze milk composition were collected in two alternate days and were obtained from two daily milking. Milk composition and total nitrogen, non-protein nitrogen and non-casein nitrogen ratios were analyzed. The casein, serum protein and true protein ratios were obtained by difference.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Fat supplementation; Intake; Milk production and composition; Non-protein nitrogen; True protein. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000400021 |
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| Oliveira,Dimas Estrasulas de; Tedeschi,Luis Orlindo. |
| Saturated aliphatic hydrocarbons (n-alkanes) were extracted from feed, orts, and bovine fecal samples using disposable, plastic 5mL-syringes as an alternative material to disposable columns, which are normally used in the liquid-solid extraction phase of n-alkanes. For both methods, the n-alkane extracts (carbon chain length between 31 and 36 atoms) were identified using gas chromatography. The linear regression between methods were: 1) feces: column Alkane=2.63+0.92×syringeAlkane [r²=0.94, square root of the mean square error (RMSE)=13.7mg kg-1, n=30] from which the intercept and the slope did not simultaneously differ from zero and unity (P>0.05), respectively; 2) feeds: column Alkane=0.36+1.12×syringeAlkane (r²=0.85, RMSE=1.9mg kg-1, n=21) from which... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Analysis; Digestibility; Intake; Hydrocarbons; N-alkane determination. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782010000800029 |
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| Alcalde,Claudete Regina; Grande,Paula Adriana; Lima,Luciano Soares de; Macedo,Francisco de Assis Fonseca de; Zeoula,Lucia Maria; Paula,Meiby Carneiro de. |
| In order to evaluate the use of oilseeds in the diet of goat kids, two experiments were performed. Experimental treatments consisted of four different total mixed diets, all containing oat hay, ground corn, soybean meal and mineral supplement, and differing in oilseeds inclusion (dry matter basis), according to the treatments: 1) control (without oilseeds), 2) diet containing 7.87% flaxseed, 3) diet with 7.30% sunflower seed, and 4) diet containing 8.00% canola. In the first experiment (to evaluate the performance), 28 ¾ Boer + ¼ Saanen castrated goat kids (22.66 kg to 30.88 kg BW) were allotted in a randomized design in feedlot. There was no difference between treatments for intake of dry matter, organic matter, crude protein and ether extract, total... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Digestion; Gain; Goats; Intake; Lipid. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000800019 |
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| Sales,M.F.L.; Paulino,M.F.; Valadares Filho,S.C.; Figueiredo,D.M.; Porto,M.O.; Detmann,E.. |
| The objective of this experiment was to study the effects of different levels of supplementation on the performance, intake, digestibility, pH and rumen ammonia concentration in growing bulls grazing Brachiaria decumbens Stapf. pasture, during the dry-rainy transition season. For evaluation of performance, intake and digestibility, it was used 25 non-castrated steers at 11 months of age and initial average body weight of 270 kg, grouped in five plots of five animals each, following a completely randomized design. Each plot received one of the following feeding treatments: mineral mixture and supplement at the proportion of 0.5, 1.0, 1.5 and 2.0 kg/animal/day, corresponding to 0.18, 0.36, 0.54 and 0.72% of the average body weight of the animals. The area... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beef cattle; Digestibility; Intake; Multiple supplements; Zebu cattle. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000400027 |
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| Menezes,Gustavo Chamon de Castro; Valadares Filho,Sebastião de Campos; Magalhães,Felipe Antunes; Valadares,Rilene Ferreira Diniz; Mariz,Lays Débora; Detmann,Edenio; Pereira,Odilon Gomes; Leão,Maria Ignez. |
| It was evaluated intake, rumen and intestinal digestibility and passage and digestion rates in bovines fed diets constituted of corn silage, crushed sugar cane and given fresh, crushed sugar cane and given after 72 hours of storage, ensiled sugar cane with 1% of calcium oxide and with no treatment and a same concentrate fixed at 1% of body weight. All roughage was corrected to contain 10% of crude protein. It was used five rumen-fistulated bovine with average weight of 240 ± 15 kg, distributed in a 5 × 5 Latin square. Abomasum and total fecal collection and two rumen evacuations were carried out in the morning. Animals fed corn silage based diet presented greater rumen digestibility of the protein and intestinal digestibility of the ether extract, greater... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Digestion; Dry matter; Intake; NDF; Passage rate; Ruminants. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000500023 |
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| Teixeira,Rafael Monteiro Araújo; Lana,Rogério de Paula; Fernandes,Leonardo de Oliveira; Oliveira,André Soares de; Campos,José Maurício de Souza; Pimentel,Joabe Jobson de Oliveira. |
| The objective of this work was to evaluate the effects of three levels of concentrate (2.0, 4.0 and 6.0 kg/cow/day) and two levels of crude protein (CP) (14 and 16% total dietary dry matter), in comparison to mineral mixture (control) on the intake, apparent digestibility, milk composition and yield and on feed efficiency and use of concentrates of cows grazing elephant grass (Pennisetum purpureum, Schum) in the rainy season. Twenty-one milking Gyr cows with average body weight of 426 kg and yield of 13.0 kg of milk/cow/day at 55 days of lactation were distributed in randomized blocks design, with seven diets (treatments) in a 3 × 2 + 1 factorial arrangement and three replications, in a period of 84 days. Forage dry matter intake was not influenced by the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Concentrate ration; Elephant grass; Intake; Milk; Production; Protein. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000600025 |
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| Roman,Juliano; Jobim,Clóves Cabreira; Resende,Flávio Dutra de; Siqueira,Gustavo Rezende; Faria,Marcelo Henrique de; Oliveira Neto,Renato Alves de. |
| The objective of the present study was to evaluate the performance of beef cattle in feedlots fed diets containing either whole-crop maize silage or sugarcane silage, and with different formulations. Five diets were evaluated: MSF - diet containing whole-crop maize silage, with fixed formulation during feedlot period; MSV- diet containing whole-crop maize silage, with variable formulation according to feedlot phase; SCSF - diet containing sugarcane silage with fixed formulation; SCSV- diet containing sugarcane silage, with variable formulation; SCSV/MSV- SCSV diet in initial half of fedlot and MSV diet in final half of feedlot period, respectively. It was used a complete random experimental design, with five treatments and three replicates (pens). It was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Average daily gain; Dressing percentage; Hot carcass weight; Intake. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300029 |
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| Lima,Luciano Soares de; Alcalde,Claudete Regina; Macedo,Francisco de Assis Fonseca de; Lima,Larissa Ribas de; Martins,Elias Nunes; Coutinho,Carolina Cesarino. |
| It was used 27 goat kids (18 ¾ Boer + ¼ Saanen and nine Saanen; 18.0 ± 1.60 kg) distributed in a completely randomized design with factorial arrangement to evaluate productive performance and the total digestibility of dry matter and nutrients in the rations. Diets were composed of soybean meal, soybean meal + dry yeast or dry yeast as protein source, oat hay, ground corn and vitamin-mineral mixture with mean composition of 2.50 Mcal of ME/kg DM and 17.0% of crude protein on average. Digestibility was determined using indigestible neutral detergent fiber as marker. Intakes of dry matter, organic matter, crude protein and total carbohydrates were not altered by rations. However, inclusion of dry yeast in the rations reduced ingestions of ether extract,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Digestibility; Goats; Intake; Performance; Saccharomyces cerevisiae. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000100024 |
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| Valente,Ériton Egidio Lisboa; Paulino,Mário Fonseca; Detmann,Edenio; Campos Valadares Filho,Sebastião de; Barros,Lívia Vieira de; Acedo,Tiago Sabella; Couto,Victor Rezende Moreira; Lopes,Sidnei Antonio. |
| The study assessed performance, microbial protein synthesis, intake and digestibility of nutrients by beef heifers receiving levels of multiple supplements or nitrogen salt, in a self-controlled intake, on pasture, during the dry season. Thirty-five beef heifers, from 6 to 9 months of age and average initial body weight of 203.4 + 4.5 kg, were used. Study factors were: control - mineral mixture; nitrogen salt - 50% of urea + mineral mixture, at proportion of 1:1, and 50% of corn (75% of crude protein); levels of multiple supplementation - multiple supplements with different percentages of intake controller mixture (urea + mineral mixture, at the proportion of 1:1), corn and soybean meal (45% of crude protein). Supplement consumptions observed were: 115,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Digestibility; Intake; Performance; Self-control. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000900024 |
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| Registros recuperados: 80 | |
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