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Showing 1 to 20 of 30 for “"cow performance"”.
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Factors influencing cow performance and intake
ABSTRACT FACTORS INFLUENCING COW PERFORMANCE AND INTAKE Two studies were conducted to determine how weaning system, residual feed intake (RFI), and residual average daily gain (RADG) affect cow performance and intake. In Study 1, a two-year study was conducted using Angus and Simmental X Angus …
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Influence of prepartum diet type on cow performance and subsequent calf performance
… mature Angus, Simmental, and Simmental x Angus cows (n = 191) were utilized to evaluate the effects of prepartum diet type on cow and subsequent calf performance. Cows were blocked by BW and calving date into 16 pens and allotted to isocaloric, isonitrogenous dietary treatments: corn coproducts …
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Cow performance, adrenal function, and milk quality under varying levels of competition
Twelve dairy cows were used to determine behavior with varying numbers of free stalls and length of feed trough. A least squares procedure, which regressed for numbers of observations, was adapted for obtaining dominance values. Available free stalls were 1.0, .83, .67, .50, .33 per cow. With 1.0 …
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Effects of supplementing methionine hydroxy analog on beef cow performance, milk production, and reproduction
Mature Simmental × Angus cows (214 cows; 635 ± 7.4 kg) were utilized to determine the effects of late gestation and early postpartum supplementation of methionine hydroxy analog (MFP; Novus International, Inc., St. Charles, MO, USA) on cow BW, BCS, milk production, milk composition, reproduction, …
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Effects of cornstalk maximizer on cow performance and reproduction as well as calf performance and health
Mature Simmental × Angus cows (n=96; 693±7.7 kg) were utilized to evaluate the effects of Cornstalk Calving Maximizer TMR® (CSMAX; US Feeds; Eldora, IA) supplement on cow/calf performance, reproduction, and health in a drylot system. Cows were blocked by age and calving date and assigned to one of …
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The effects of winter feeding systems on beef cow performance, soil nutrients, crop yield and system economics
… intensive winter feeding system (drylot (DL)) on cow performance, soil nutrients, crop yield and system cost of production. Differences in BW (P
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Agronomic assessment of grazing method of corn residues on cow performance, residue utilization, crop yield, and soil properties
… objectives were to evaluate the effects of beef cows grazing corn residues on cow performance, residue utilization, subsequent crop yield, and soil physical and chemical properties. Two grazing methods (strip grazing, (SG) and continuous grazing, (CG)) and a control (ungrazed, (CT)) were arranged …
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Influence of prepartum nutrition on cow performance and subsequent calf performance, glucose tolerance, carcass characteristics, efficiency, and gene expression
… research has demonstrated the potential for cow nutrition during mid- and late gestation to have lasting effects on progeny growth, carcass characteristics, and insulin sensitivity. With the advancement of nutrigenomics, the ability to evaluate the effects of maternal nutrition on gene …
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Effects of stocking rate and supplementation on pasture utilization, cow performance, and rumen environment in a pasture-based and automatic milking system
… of stocking rate and feeding strategies on cow performance, AMS use, feed degradation, dairy cattle genotype, and pasture utilization. An investigation lasting 8 weeks was conducted using a completely randomized design with a 2 x 2 factorial of two stocking rate systems ( high stocking rate …
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From field to rumen: foliar fungicide application on corn and its effects on the corn plant, corn silage, and Holstein cow performance
… milk components, blood metabolites, and cow health. Corn from two growing seasons, 2014 and 2015, with different fungicide treatments was included in this study. Corn grown during the summer of 2014 was ensiled and fed to dairy cows, while corn grown during the summer of 2015 evaluated …
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The effects of creep feed duration in a drylot system on cow performance as well as calf performance, ruminal fermentation characteristics, and carcass traits
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Effects of housing beef cow-calf pairs on dry lot vs pasture on cow performance as well calf performance and behavior through feedlot receiving
… were to analyze the effects of housing cow-calf pairs in dry lots (DL) or pasture (PAST) on cow performance and reproduction and calf performance and behavior through the receiving phase. Simmental × Angus (n = 108; 87 ± 11.5 d postpartum) spring-calving cows were stratified by age, BW, …
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Effects of housing cow-calf pairs on drylot or pasture on cow performance and reproduction as well as calf performance and behavior through feedlot receiving
… were to analyze the effects of housing cow-calf pairs in drylots (DL) or pasture (PAST) on cow performance and reproduction as well as calf performance and behavior through the feedlot receiving. Simmental × Angus (2 yr; 108/yr; 81 ± 15.3 d postpartum) spring-calving cows were stratified …
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Evaluation of Swath Grazing Simple and Complex Polycrop Mixtures on Forage Biomass and Quality, Beef Cow Performance and Enteric Methane Emissions, System Economics and Soil Health Characteristics
… Forage Center of Excellence (LFCE), Forage and Cow-Calf Research and Teaching Unit (FCCRTU) located near Clavet Saskatchewan, located in the Dark Brown soil zone. This 2-yr study evaluated the effects of swath grazing either Simple or Complex polycrop mixtures on forage yield and quality, beef …
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Effects of dietary roughage inclusion in limit-fed rations in a confinement cow-calf system on cow performance, hygiene, and behavior as well as calf performance through feedlot receiving
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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Determining the Nutritional Status of Mature Beef Cows
Improved prediction of forage quality and cow performance may enhance the nutritional management of beef cows. In two 12 mo trials, mature beef cows (n=136) grazing tall fescue pastures were used to compare estimates of forage quality and animal performance. Forage quality was estimated by …
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Program Feeding Strategies for Reducing Costs of Wintering Beef Cows
… evaluate program-fed diets for maintaining beef cows. The largest expense in a cow/calf production system is the cost associated with maintaining the producing cow through the winter months. This research focused on evaluating the performance, financial, and environmental impacts of using …
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The role of higher protein forages and home grown protein sources within Northern Ireland dairy production systems
… nutrient requirements of higher yielding dairy cows, concentrate feed levels have increased, and this has led to an increased demand for quality protein ingredients such as soya bean meal and rapeseed meal. As some protein ingredients, especially soya bean meal (SBM), are often imported from …
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Application of yeast technology in ruminant nutrition
… protein and energy supplement to pregnant range cows to evaluate performance, and nitrogen and trace mineral status of cows and calves (Exp. 1), then YC was fed as a natural alternative to an ionophore to heavy-weight yearling beef steers fed finishing diets consisting of 19.7% DDGS to evaluate …
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Effects of supplementing beef cows grazing forages with wheat-based dried distillers’ grains with solubles on animal performance, forage intake & rumen metabolism
… dry distillers’ grains with solubles (DDGS) on cow performance, forage utilization, and production costs. In the first two experiments, 48 dry, pregnant Black Angus cows (mean BW±SD; 598.2±4.2 kg) stratified by body weight (BW) and days pregnant were allocated randomly to one of three replicated …
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