Fatty acid and sensory characteristics of beef from three biological types of cattle grazing cool-season forages supplemented with soyhulls.

Over two consecutive years, the effects of allocating divergent biological types of cattle (n=107) to fescue pasture without supplementation, or fescue or orchardgrass pasture with soyhull supplementation on chemical, fatty acid and sensory characteristics were investigated. Cattle from the two supplemented treatments produced beef that had increased (P<0.05) percentage lipid and decreased (P<0.

Carcass and beef color characteristics of three biological types of cattle grazing cool-season forages supplemented with soyhulls.

Soyhull supplementation to divergent biological types of cattle on forage-based systems was studied to determine the impact on carcass and color characteristics. Weaned calves (n=107) biologically classified as large-, medium-, or small-framed and intermediate rate of maturing were allocated to three cool-season grazing systems consisting of either orchardgrass pasture or fescue pasture, each with soyhull supplementation, or fescue pasture with no supplementation as a control. Supplementing cattle with soyhulls allowed for heavier (P<0.

Effect of melanin, oxyhemoglobin and bilirubin on transcutaneous bilirubinometry.

To determine the effect of skin pigments on transcutaneous bilirubinometer readings, we measured the effect of bilirubin, melanin, and oxyhemoglobin solutions on transcutaneous bilirubinometer readings in vitro. Our results showed that the variability of the readings in vitro was related to the instrument's non-linear response to bilirubin and melanin concentration and an inaccurate oxyhemoglobin correction factor. These factors should be considered in developing a more accurate non-invasive method of monitoring serum bilirubin concentration.

The effect of chloral hydrate and its metabolites, trichloroethanol and trichloroacetic acid, on bilirubin-albumin binding.

Chloral hydrate is used as a sedative in infants requiring ventilatory support. The metabolites, trichloroethanol and trichloroacetic acid, accumulate in the serum and are protein bound. The possibility that these chemicals might compete with bilirubin for albumin binding was tested using the peroxidase method and a dialysis rate method.

Cefmenoxime and bilirubin: competition for albumin binding.

Certain drugs are known to compete with bilirubin for albumin binding; therefore, all drugs administered to neonates should be tested to determine the degree of competition. The effect of cefmenoxime on bilirubin-albumin binding was determined by comparing the oxidation rate of free bilirubin in the presence and absence of drug. The reserve albumin concentration (RAC) of pooled cord serum was also measured using the MADDS dialysis rate method.

Relationships between traits of cow-calf pairs and a measure of partial efficiency.

Angus cow-calf pairs (N = 114) were individually fed grass silage diets under conditions chosen to approximate nutrient intake under a free grazing, noncreep situation. Postfactum comparison with a subsequently conducted study on pasture indicated that the procedures used produced animal responses similar to those provided by a tall fescue pasture averaging 58% dry matter digestibility. Cow-calf pair efficiency was expressed as the ratio of estimated total digestible nutrient (ETDN) intake of the pair to calf weight at weaning.