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Pedro Urriola (University of Minnesota) comments on variation in nutrient composition and energy values, in this Swine It interview with host Laura Greiner....
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Introduction Vulvar discharges are related to reproductive tract infections that can lead to decreased sow fertility and other impairments in zootechnical indices, which reduces profitability 1,2,3 . However, knowledge about metrite causative agents in sows is still very superficial. Staphylococcus hyicus – a Gram-positive, coagulase variable, facultative anaerobic, catalase-positive, non-hemolytic, non-motile bacteria - may be able to cause metritis in...
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Guilherme Rosa (University of Wisconsin-Madison) talks about the benefits of technology in this Swine It interview with host Laura Greiner....
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Mike Tokach (Kansas State University) comments on complex diets and feeder adjustments, in this Swine It interview with host Laura Greiner....
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Fiodor Marchenkov (Kronos Agro LLC, Kiev, Ukraine) offers his views on fat digestion and energy in animal diets....
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Animal emotions – and what about the pig? With some notable exceptions Darwin’s 1872 book on expressions of emotions in man and humans, ‘feelings’ or emotions have historically been viewed as non-scientific and not a subject fitting for scientific enquiry. However, during the last decades we have seen a resurrection of scientific interest in the field of mechanisms of emotion, not at least because of the increasing prevalence of...
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Will New Version of GMP Boost the Veterinary Drugs Industry?
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Introduction While meat production generates food and a livelihood for billions of people around the planet, it is also associated with environmental and health consequences (OECD 2016). Among production animals, chickens and pigs are species of enormous economic importance for humans, with chickens being the most consumed meet source in the world (13.8 kg/capita in 2016) followed by pigs (12.3 kg/per capita in 2016) (OECD 2016). Given the cultural...
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One of the most pressing problems that has attracted considerable publicity in the last few years is the prospect of widespread multidrug resistance leading to a breakdown in human healthcare systems throughout the world. The O’Neil report (O’Neil et al 2016), estimates “that by 2050, 10 million lives a year and a cumulative 100 trillion USD of economic output are at risk due to the rise of drug- resistant infections”. The O’Neil report recommends a...
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Optimal tryptophan: lysine Ratio for 25-40 Kg Growing Pigs Fed Diets Containing 35 % Distillers Dried Grains with Solubles
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Introduction Sow longevity is defined as the time elapsed from gilt entry into the breeding herd until removal as a result of culling or death. Increasing herd retention rate is important to maximize sow lifetime productivity. Higher removal rate implies an increase in the percentage of young females in the herd, a category with lower production potential, and a higher risk of early culling. Systematic gilt replacement is required for genetic gain. Still,...
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Introduction Inclusion of dietary crystalline amino acids is a common practice in the swine industry. This is done to meet specific amino acid requirements while reducing feed cost and environmental impact. Additionally, amino acids are often expressed in relation to lysine to develop the most efficient diet formulations. A previous experiment conducted at Kansas State University validated that the lysine requirement for 15 to 25 lb pigs was 1.45% SID lysine. Therefore, our...
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INTRODUCTION The swine slaughtering process is affected by practices that go from the establishment of fasting on the farm to the slaughtering stage in the slaughterhouse. Animals are subjected to practices that will directly reflect on the quality of their carcass, and on how meat cuts will be ranked as more or less valuable in the market. Thus, pre-slaughter phases are fundamentally relevant to the quality of the final product, once they affect the living experience of animals...
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INTRODUCTION Substantial increases in litter size have occurred in commercial swine production over recent years which have been accompanied by increases in pre-weaning piglet mortality. The number of piglets born alive to sows on U.S. units currently averages approximately 13.5; this number has increased by approximately three piglets over recent years (PigChamp, 2004, 2020). Pre-weaning mortality levels have also increased over this time period and currently average in...
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1. Introduction The nutrient requirements of a pig population can be defined as the amount of nutrients needed to achieve specific production objectives such as maximizing weight gain and lean tissue gain and improving feed conversion. Nutritional requirements might vary according to body weight, health status, genetics, and sex, among other less known factors. Most commonly, lysine (Lys) requirements are estimated as a function of the average daily feed intake (ADFI),...
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1. Introduction With 1766–1768 nucleotides, porcine circovirus type 2 (PCV2) is the smallest genomic panzootic associated virus among the circular single-stranded DNA (ssDNA) viruses hitherto. These ssDNA viruses are remarkably understudied, and only recently have researchers begun to study these viruses due to the advent of next-generation sequencing in birds, fish, mammals, and even humans [1,2]. The small genome of PCV2 encodes at least nine different transcripts...
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Will New Version of GMP Boost the Veterinary Drugs Industry?
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ABSTRACT The objective of this study is to investigate the effect of a maternal antibiotic administration during the last week of gestation on the early life intestinal development in neonatal piglets. Colonization of the gut with bacteria starts during birth and plays a major role in the intestinal and immunological development of the intestine. We demonstrate that maternal interventions induced changes in the sows (n = 6 to 8 per treatment) fecal microbiota diversity...
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The surge in corn prices has left pig producers looking for cost-effective alternatives. Tony Edwards explains that although barley contains less digestible energy than corn and wheat, because of its higher concentration of crude fiber, it is suitable for all types of pigs and provides more amino acids and more phosphorus than corn. World grain production is dominated by corn followed by wheat, rice, barley and sorghum. These grains are used for a...
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Optimal tryptophan: lysine Ratio for 25-40 Kg Growing Pigs Fed Diets Containing 35 % Distillers Dried Grains with Solubles
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Liz Wagstrom (National Pork Producers Council) talked about surveillance and sample collection, in this Swine It interview with host Laura Greiner....
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Robert Thaler (South Dakota State University) talks about optimal performance instead of maximum performance, during a Swine It interview with host Márcio Gonçalves....
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Pedro Urriola (University of Minnesota) points out the importance of measuring any changes, in this Swine It interview with host Laura Greiner....
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