Under the conditions of modern swine production, pigs need to be fed a balanced diet that meets their daily nutritional requirement for maintenance, growth, and reproduction. However, nutrient intake is largely determined ...

Copper and zinc play important roles in many physiological processes. Dietary copper levels of 5 to 10 ppm and zinc levels of 50 to 125 ppm are generally enough to meet the pig’s nutrient requirement for these processes. ...

There is increasing pressure for livestock producers to minimize the use of antibiotics as growth promoters in food animals. Supplementing beneficial microorganisms in the gastrointestinal tract is one potential ...

Three experiments were conducted to determine the efficacy of certain feed additives, alone or in various combinations, in improving performance of pigs weaned at 4 weeks of age. In the first two, each treatment group of ...

Pork producers and advisers to the swine industry were surveyed about their knowledge of feed efficiency. The questionnaire was designed to accomplish three objectives: (a) determine the level of knowledge related to ...

Two lots of lambs were grazed on wheat pasture for the entire 123-day experimental period. Lambs in one of these, lot 5, were also shorn at the start of the test on November 7. One-third of the lambs in each lot received a ...

Quality feed can be manufactured on farm using hammer or roller mills for particle size reduction and volumetric or weighing devices for proportioning ingredients. An understanding of each of the seven steps involved ...

Thirty-one Polled Hereford and 29 Simmental cows were individually fed two energy levels for about the last 4 months before calving. Weight, condition score, backfat thickness, and reproduction were evaluated. No differences ...

Bovine respiratory disease continues to be the most costly disease affecting productivity and profitability in the stocker segment. Despite their high cost, longer-acting, injectable therapeutic antimicrobials such as ...

Results from mathematical models of feeder cattle price/characteristics using data collected in Kansa s and Missouri in 1986/1987 and from 1993 using the same data collection and modeling procedures indicate that the ...