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Sow feeding management
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Bruno Silva (Universidade Federal de Minas Gerais) explains the need to adapt feeding programs to the characteristics of young and adult sows, during IPVS2022 in Rio de Janeiro, Brazil....
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Bruno Silva (Universidade Federal de Minas Gerais) talks about what needs to be understood about the animal in order to use precision feeding, during IPVS2022 in Rio de Janeiro, Brazil. ...
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Ken Stalder (Iowa State University) discussed breeding and other topics during this Swine It interview with host Laura Greiner....
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INTRODUCTION One of the greatest challenges in optimizing growth performance and health of newly weaned pigs is to overcome low and variable feed consumption which adversely affects gastrointestinal health during this critical transition period on commercial swine farms (Pluske et al., 1997; Langendijk et al. 2007; Dong and Pluske, 2007). Therefore, dietary interventions that encourage faster adaptation and greater feed consumption, while also improving energy and...
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Introduction: Clostridium perfringens is a gram-positive bacteria that can cause diarrhea and is commonly transferred from the sow to the piglet. The objective of this study was to evaluate dietary addition of a Saccharomyces cerevisiae fermentation product during late gestation through a 21 d lactation on sow and litter performance, milk components, and fecal Clostridium perfringens. Materials and Methods: On d 93 of...
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Introduction As many production systems are transitioning from individual gestation stalls to different styles of group housing, there are new challenges for data collection in the gestation barn. Commonly referred to as electronic sow feeders (ESF), computerized feeding stations have been available for more than 30 years as a method used to control the variability of sow intake (Trottier and Johnston, 2001), and now are becoming a powerful tool for sow...
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1. Introduction With increasing public awareness regarding pig welfare, gestating sow housing systems are currently changing around the world to group-housing. While the legislation on sows’ group-housing was adopted in 2001 in Europe, the new Canadian regulation was enacted in 2014. The Canadian Code of Practice for the care and handling of pigs requires that all newly built facilities or those undergoing renovation must house sows in groups during gestation, or provide...
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Introduction The present work addresses the use of data in improving decision making and farm productivity, one of the aspects that has generated more interest in swine production in recent years. In the current review, the limitations of data management and recently developed strategies in this sector have been revised, together with the need for new technologies and their use in the evolution of the precision livestock farming concept. The importance of traditional...
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Background Primiparous sows (PP) have higher nutrient requirements [1, 2] and fewer piglets born than multiparous sows (MP) [3]. Usually, PP sows are bred before they reach mature body size and when the back fat levels are still limited and often times below the recommendation of 18.0–23.0 mm at first insemination [4]. Part of the nutrient intake of a PP sow during the reproductive cycle is still used for their own tissue growth [5]. Piglet birth weight and growth...
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Introduction Due to considerable changes in the pig industry worldwide in favour to groups-housing systems, understanding social behaviour of pigs and its impact on welfare has become increasingly important. The wild counterparts of pigs are highly gregarious and form complex hierarchical structures of multigenerational and matrilineal social units centered around several philopatric females associated with their cohorts of offspring [1,2]. Despite occasional breakdown in...
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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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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 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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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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Introduction Despite the wealth of information on the many factors that affect sexual maturation and the early breeding performance of gilts, it has been difficult to establish the needed protocols that produce a consistent supply of “good quality” replacement females. In the context of the latest genotypes available to the production industry, it is important to keep addressing the changing biology of the nucleus sows from which replacement...
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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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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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Tom Weber (AB Vista) talks about effects in the microbiome, in this Swine It interview with host Laura Greiner....
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Robert Thaler (South Dakota State University) explains how answers change over time, during a Swine It interview with host Márcio Gonçalves....
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Introduction In a recent detailed review of the factors determining reproductive development in the gilt (Patterson and Foxcroft, 2019), we suggested that “Substantial evidence supports successful management of gilts as an absolutely necessary component of breeding herd management and the pivotal starting point for the future fertility and longevity of the breeding herd”. We also discussed the link between earlier sexual maturation and improved...
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