The objective of this study was to evaluate the production practices and use corn silage in dairy farms Southern Brazil, their impact on nutritional quality occurrence mycotoxins. data were collected by application questionnaires among producers, analysis samples. variables subjected factorial reduction through principal components method, thus obtaining 84.12% variance associated with location, hybrid, crop management, inoculant used, characterizing into four distinct groups. In from...

High extrusion temperatures may compromise the functionality of probiotics in dry food. This study aimed to (i) evaluate effects two types microencapsulation techniques, different encapsulating agents, and 120 days storage on viability a commercial probiotic product (ii) investigate fecal microbiota populations characteristics adult cats fed with diets supplemented probiotics. Three experimental treatments were evaluated: T1, feed (control); T2, kibbles coated probiotics; T3, freeze-dried...

The study evaluated the effects of supplementing cashew nut shell liquid (CNSL) in diet lactating dairy cows on intake, nutrient digestibility, milk yield and composition, fatty acids composition fat. Four Holsteincows (600±43 kg) were used a 4 x Latin square design with 21 days experimental periods. Experimental treatments consisted CNSL inclusion total mixed ration (dry matter basis), as follows: 1) 0% (control, CON), 2) 0.012% (0.012), 3) 0.024% (0.024) 4) 0.036% (0.036). Dry nutrients...

Our objective was to determine the effects of two strains obligate heterofermentative bacteria, alone or in combination, on fermentation profile, gas production kinetics, chemical composition, and aerobic stability sugarcane silage. A plot manually harvested, mechanically chopped treated with: distilled water (5 mL kg –1 ; Control), Lentilactobacillus hilgardii CNCM I-4785 [3 × 10 5 colony-forming units (cfu) g LH], buchneri NCIMB 40788 (3 cfu LB), LH+LB (1.5 each strain). Treated forages...

Because of the high total digestible nutrient and dry matter (DM) digestibility contents , moisture silage may be an alternative to maximize animal performance. Thus, objective this study was evaluate chemical composition, ruminal degradability aerobic stability corn (pure grain soybean-, sunflower- or urea-enriched silages). Plastic barrels with capacity 200 kg were used as experimental silos, which remained closed for nine months. The design completely randomized four replications. After...

ABSTRACT Aimed with this study was evaluate the increasing levels of crambe crushed, on in vitro digestibility dry matter (IVDDM), organic (IVDOM) and crude protein (IVDCP), parameters fermentation kinetics cumulative gas production. The crushed were included diets at 0; 50; 100; 150 g/kg DM. There a quadratic effect proportions concentrated supplements IVDDM IVDOM (maximum point 0.25 0.91 g Kg-1 DM, respectively). Total production (A + D) influenced by presence minimal 0.02 for pH...

The aim of this study was to evaluate the effects replacing antibiotics with increasing doses chitosan (CHI) on nutrient intake and digestibility, corn grain excretion, ruminal fermentation, nitrogen metabolism, feeding behavior in finishing steers fed forage-free diets. Five ruminally cannulated crossbred were assigned a 5 x Latin square experimental design given following diets: C0= basal diet no additives, ANT= inclusion virginiamycin 30 mg/kg DM, C375= 375 C750= 750 C1500= 1500 DM....

Foram avaliados, durante a terminação, os efeitos da heterozigose e do grupo genético nas medidas corporais de novilhos puros (Charolês - C Nelore N) mestiços segunda (G2) (3/4C1/4N 3/4N1/4C), terceira (G3) (5/8C3/8N 5/8N3/8C) quarta (G4) (11/16C5/16N 11/16N5/16C) geração cruzamento rotativo. Os foram confinados 97 dias, sendo alimentados com mesma dieta, contendo 12,32% proteína bruta 2,96Mcal energia digestível kg-1 matéria seca, relação volumoso:concentrado 52:48. apresentaram maiores...

The use of alternative sources protein for ruminant can alter productivity and reduce costs in animal production. aim this study was to evaluate the performance, apparent digestibility quantitative characteristics carcass components ewes fed increasing levels (0, 50, 100 150 g kg-1 dry matter) crambe crushed diets. Twenty-four culling were distributed a completely randomized design. All animals kept shed, with individual stalls equipped feeder, drinker concrete floor covered rice hulls....

To evaluate the substitution of soybean meal by crushed crambe as a source protein, five crossbred steers rumen cannulated weighting 426 ± 25 kg BW were distributed in 5 × Latin square design. The allocated different levels groups (0, 25, 50, 100 and 150 g/kg concentrate supplement). Dry matter intake (DMI), fluid pH, nitrogen (N) urinary excretion, propionate isovalerate ruminal concentrations increased linearly (p < .05) with replacement crambe. Crude protein (CP) intake, butyrate valerate...

This study evaluated the effects of rehydration and ensiling corn grain with two geometric mean diameters (GMD) 0.55 1.83 mm obtained by diameter sieved used on fermentation characteristics chemical composition silage. The experimental design was completely randomized treatments six replications, as follows: rehydrated fine-corn silage (RFS) coarse-corn (RCS). Ground water to achieve moisture levels close 350 g kg-1. There no effect dry matter recovery, though recovery rate high, values...

The objective of this study was to verify methods preservation raw milk samples for physical-chemical analysis and bacterial count patterns. In Experiment 1, the experimental design a factorial arrangement with three preservatives × two temperatures five storage times. At seven days storage, no preservative had higher total counts (TBC). However, fat content increased in refrigerated samples. levels protein, lactose defatted solids were influenced by analysed variables interaction between...

This experiment was carried out with the objective of evaluating different levels powder propolis in rabbit diets and their effect on semen characteristics. A total 36 New Zealand White male rabbits were used, randomly distributed into six groups, corresponding to (0, 0.25, 0.50, 0.75, 1.0 1.25 g propolis/kg ration). Semen collected twice a week, using an artificial vagina. volume, progressive spermatic motility, vigor, concentration morphology analyzed. General linear models used for...

The use of high-grain diet can provide metabolic disturbances to the animals, due excess non-structural carbohydrates, which induces a decrease in rumen pH, negatively influencing digestibility and utilization nutrients. As an alternative reduce negative effects that this type we food additives among them stand yeasts, organic acids, plant extracts, probiotics, antibodies secondary metabolites plants . There is established literature on metabolites, such as functional oils, natural for...

Foi avaliado o desempenho em confinamento de vacas descarte recebendo dietas sem ou com (200mg animal-1 dia-1) monensina sódica. A dieta continha 12,5% proteína bruta e 2,99Mcal energia digestível kg-1 matéria seca, composta 48% volumoso 52% concentrado. Os consumos seca sofreram redução a presença sódica na dieta, representando uma queda 20,9%. Esta no consumo por parte dos animais alimentados afetou negativamente mesmos, demonstrando ganho peso 22,6%. Com maior alimento e,...

Near-infrared spectroscopy (NIRS) is an efficient and chemical-free technique for quickly assessing forage quality. However, calibration curves are usually validated the of a single species, while few studies have reported on multiple species. Therefore, this work aimed to develop broad system calibrating by NIRS predict neutral detergent fiber (NDF), acid (ADF) crude protein (CP) values from mixed forage. To accomplish this, (32 species) were sampled over six years (2013 2019) different...

Objetivou-se avaliar os efeitos da inclusão do líquido casca castanha de caju (LCCt) na dieta bovinos alimentados com dietas ricas em grão, sobre a ingestão e o coeficiente digestibilidade ruminal total dos nutrientes; as características fermentação ruminal, eficiência síntese microbiana no rúmen parâmetro sanguíneo, através nitrogênio ureico plasmático. Foram utilizados quatro novilhos raça Holandesa (445 ± 23,39 kg peso vivo) providos cânula duodenal, recebendo uma 144 g kg-1 proteína...

O Brasil, devido à sua expansão territorial e variação climática, apresenta uma grande diversidade de grãos oleaginosos, o que possibilita a produção biocombustíveis. biodiesel é obtido partir matérias-primas vegetais ou animais vem ganhando destaque instabilidade dos preços do petróleo principalmente, em consequência às pressões ambientais. Durante biodiesel, há geração subprodutos, dentre eles destaca-se glicerina, sendo amplamente estudada na cadeia animal, mostrando-se como excelente...

Foram avaliados o desempenho, composição física, rendimento de cortes comerciais e a qualidade da carne vinte oito vacas Charolês, Nelore suas cruzas, com peso vivo médio inicial 409 kg, terminadas em campo nativo alta participação Eragrostis plana Nees., suplementadas por 99 dias farelo trigo (FTR) ou arroz integral (FAI), 0,5% do na matéria seca, sem inclusão monensina sódica, separados grupos sete para dos tratamentos. O uso proporcionou melhor conformação carcaça (P&lt;0,05),...

The objective was to evaluate the inclusion of chitosan (CHI) and technical cashew nut shell liquid (CNSLt) as natural feed additives in cattle diets on nutrient digestibility, ruminal fermentation, vitro gas production kinetics. We conducted a completely randomized design with 5×4 factorial arrangement, 20, 35, 50, 65, 100% Tifton 85 hay four additives, monensin (200 mg/kg DM), CNSLt (500 CHI CNSLt+CHI DM/each). Dry matter (DM) [...]

The profile of polyunsaturated fatty acids in cheeses obtained through fermentation by lactic acid bacteria Lactobacillus helveticus and Streptococcus thermophilus were evaluated. milk used to make the came from cows fed with flaxseed oil annato. presented microbiological physic-chemical quality standards established legislation for Staphylococci Listeria. With maturation, there was a reduction coliform values ​​for both treatments. Regarding counts bacteria, these remained viable until 30th...

Nitrogen fertilization can be used to increase production for area, as well improve the grains nutritional value. The aim of this study was evaluate chemical composition two linseed cultivars (Brown and Golden) submitted increasing doses nitrogen in a completely randomized design. Brown Golden flax sowing April 2014, using 40 kg viable seeds ha-1 100 diammonium phosphate (16-46-00) fertilizer. It evaluated N cover: 0, 50, 100, 150 200 ha-1, applied urea form. For fatty acids (FA) analysis,...

We investigated the effects of corn grain, finely or coarsely ground, rehydrated and ensiled to 35% moisture in substitution dry grain on performance beef cattle feedlot. Forty non-castrated young Angus crossbred bulls with average age 13±1.4 months initial body weight (BW) 374±14 kg. The experiment was conducted blocks by weight, were randomly assigned into four groups five animals each a 2 × factorial scheme. [...]