The supplementation of more digestible starch sources and feed additives with coccidiostatic and growth promoting activities may improve pre and post weaning calves performance. The objective of this trial was to evaluate the effects of concentrates containing processed grains (steam-flaked vs. steam-rolled), with or without monensin, on intake, weight gain and blood parameters of baby calves, before and after weaning at six weeks of life. Thirty-two female calves were utilized on a completely randomized block, with a 2 x 2 […]

The aim of this experiment was to evaluate the effect of tannin on grain over potential degradability parameters of the dry matter and crude protein of six sorghum silage genotypes by in situ technique. It was used four crossbred steers, canulated in rumen, fed ad libitum twice at day with a diet comprised by Cynodon dactylon hay. Six sorghum silage genotypes, harvested at milk stage, were incubated in the rumen: BR 303, BR 304, BR 601, and AG 2006 (without […]

A study was conducted to evaluate the use of cashew nuts meal (CNM) in diets for sheep, raised in feedlot. Thirty two crossbred animals received concentrates with the same amount of crude protein, but four different levels of CNM (0, 12, 24 and 36%). A factorial 4 x 2 was used, with four levels of CNM and 2 sexes, with four repetitions. Daily weight gain and feed conversion as well as intake of dry matter (DM), crude protein (CP), ether […]

The objective was to evaluate the effect of supplemention of young bulls, under grazing, in the rainy season period. The experiment was conducted at the Braga Farm in Araponga, MG, in the period from january to april of 1999. Using twenty four young bulls with 335 kg LW of initial body weight, and nine fistulated steers, in Gordura (Melinis minutiflora) and Brachiaria radicans grass. Three comercial supplements were used: mineral salt supplement (SM), corn-wheat meal and urea based protein supplement […]

The objectives of this work were to evaluate the chemical composition alteration, the nitrogen and carbohydrate fractions changes, to estimate the digestion rate of non-fiber carbohydrate (NFC) and fiber carbohydrate (FC), to determine the in vitro dry matter digestibility (IVDMD) and to estimate the TDN of corn silage with different grain proportions. The silage were done in the following proportions: 0, 15, 30, 45 e 60% of grain. The amount of dry matter (DM), nitrogen compounds (N), ether extract (EE), […]

Six sheep were used to evaluate intake and total apparent digestibilities of dry matter (DM), organic matter (OM), crude protein (CP), ether extract (EE), total carbohydrates (CHO), neutral detergent fiber (NDF), non fibrous carboidratos (NFC), acid detergent fiber (ADF), cellulose (CEL), hemicellulose (HCEL) and energy of Arachis pintoi hay. Nitrogen balance was also determined. Animals were kept in metabolic cages and received A. pintoi hay plus mineral salt. The Arachis pintoi was harvested with approximately 100 days. The supply of […]

The objective this work was to evaluate the effect of protein supplements varying in ruminal degradabilities (high-75%, medium-55% and low-35%) fed at three levels (0.5, 1.0 and 1.5 kg/day) on ruminal pH, N-NH3 and NDF degradability of forage, with steers grazing Brachiaria brizantha cv. Marandu during rainy season. The experiment design was a randomized complete block with three replications (grazing periods) and the supplemented treatments were arranged in a factorial 3 x 3. Ten rumen-fistuled crossbred steers with 463 kg […]

The objective of this study was to study the morphology and the localization of acid phosphatase at calves anterior small intestine, from birth to intestinal closure. Fifteen male dairy calves were used in this study, which were aged: unsuckled neonatal, three hours after colostrum ingestion and three days old. Vacuolated cells from duodenum to medium jejunum could be found in the newborn calf, which have shown absorbed material after colostrum ingestion. Changes at the morphological characteristics and the initiation of […]

Sorghum Agroceres 2005 (35.9% DM) was ensiled in 16 plastic experimental silos, forming four treatments: control, Sil-All (Streptococcus faecium, Pediococcus acidilactici, Lactobacillus plantarum, amylase, hemicellulase, and cellulase), Silobac (L. plantarum, S. faecium, and Lactobacillus sp), and Pioneer 1174 (S. faecium and L. plantarum). Silos were opened 120 days after ensiling and silage was sampled to proceed chemical analyses. Sil-All, Silobac and Pioneer decreased dry matter content and increased ethylic alcohol concentration and DM losses compared to control. Sil-All increased NDF […]

The present work was carried out at Universidade Federal de Santa Maria to evaluate composition of the body and body weight gain. A experiment was conducted with 70% of corn silage and 30% of concentrate. Forty 3,5 years old Santa Gertrudis steers were used; four of them were slaughtered at the beginning of the experiment and 36 were randomly assigned to the treatments and slaughtered at the end of the experimental period. From each carcass the 9th to 11th rib […]