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Sow feeding management
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1. Introduction Commercial mixed feeds are a basic element in modern animal production. They contain mixtures of home grown cereals and imported commodities among other ingredients. The use of such ingredients inevitably leads to the contamination of the final mixed feed with fungi [1]. Mycotoxins are fungal secondary metabolites associated with severe toxic effects to vertebrates and produced by important phytopathogenic spoilage fungi including Aspergillus ,...
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Introduction: Phosphorus (P) is an important component in several processes and the main component of the inorganic bone matrix together with calcium (Ca).The minerals can be released from the bones to the blood by the bone turnover processes associated also breaking down the organic matrix of the bone. For reproducing sows, the physiological demand for nutrients covers the supply to the growing fetuses and eventually for milk production. If the dietary supply of P and...
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Introduction: Animal welfare, has been traditionally evaluated by measuring level of aggression and stress parameters. However, feeding behavior can also provide a valuable indication of comfort or stress for gestating sows in large groups, when fed with ESF systems. Materials and Methods: The study was conducted at Albesa-Ramadera a 3300 sow, Site 1 farm, based in Catalonia, Spain. The farm has large group gestation (128 to 175 sows per group) and utilizes...
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Introduction: Tail necrosis in neonatal piglets was reported in several conventional pig herds in Belgium. The primary cause remains unclear. Mycotoxins are frequently mentioned to be involved, although a causal relationship has not been established yet. This case-control study aimed to investigate the involvement of feed-mycotoxins on the prevalence of tail necrosis in neonatal piglets. Materials and Methods: Ten conventional pig herds with and ten...
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Introduction: Zearalenone (ZEA) is a mycotoxin with estrogenic effects, swine being the most sensitive animals, particularly gilts which develop vulvovaginitis and enlargement of mammary glands and the reproductive tract. The objective of this study was to evaluate the toxic effects in gilts that result after consuming 500 µg/kg of ZEA, and the ability of two commercial antimycotoxin agents to reduce the bioavailability of this toxin during a period of 35 days. The...
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Introduction: Liquid feed is the main feeding practice for finishing pigs in Northern Italy and is increasingly becoming a reference for sows and piglets (Lizardo, 2003). The objective of this field survey was to characterize the fermentative profile of different liquid feeds according to the main ingredients used in Northern Italy. Materials and Methods: In order to monitor the fermentation profile of different types of liquid feeds used in fattening pigs in...
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Introduction: Recent research has demonstrated that maternal dietary supplementation of LactoShield® (seaweed extract) had beneficial effects on the growth performance, immune status and gastrointestinal health of weanling pigs. The primary objective of the present study was to evaluate the effect of maternal dietary LactoShield® inclusion on the reproductive performance of sows and the piglet during the suckling period. Materials and Methods: The farm...
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Introduction: Sow body condition is a critical factor in all stages of the production cycle affecting health, welfare, performance and longevity. Additionally, the direct economic impact on annual costs of unoptimized feeding can be substantial. Therefore, it is important to monitor sows throughout their lifetime to ensure well-being, maximize production efficiency, optimize culling decisions and determine the adequacy of the feeding management practices. Multiple tools are...
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Introduction Pigs suffer high rates of embryonic mortality, especially during the peri-implantation period of pregnancy [1, 2] when embryos elongate rapidly, signal for pregnancy recognition, and attach to the uterine wall [3, 4]. Maternal nutrition plays an important role in the development and subsequent survival of conceptuses (embryo/fetus and its extra-embryonic membranes), especially the maternal dietary intake of amino acids (AAs) [5–7]. Both low and high...
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Introduction On average, piglet livability in Europe is 83%, ranging from 70% to 90%. It is determined by the number of still births and pre-weaning mortality in a given litter. With the increasing litter size, piglet survival is a persistent challenge to pig producers. This calls for a feeding and management strategy to improve nutrition and wellbeing of the sow in the transition phase covering late gestation, farrowing, lactation and breeding. The transition period...
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Introduction The major goal of the swine industry is to minimize neonatal mortality and improve weaning weights of neonatal pigs because their adaptability to weaning and their rates of growth to market weight are positively affected by weaning weight [1]. The total net profit of a swine production unit is primarily determined by both the number and size of piglets produced per year per sow [2]. Recent attempts to increase litter size have led to increased prevalence of...
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The feed intake of sows is important, because sows are becoming more productive thanks to the continuous genetic improvements made by pig breeding companies. This increase in litter size leads to a huge burden on the sow to feed her litter. The objective of the sows is simple: to supply more milk - and for this purpose, they need to eat. Listen to Professor Bruno Silva from the Federal University of Minas Gerais in Brazil to know more!...
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Sekhou Cisse (Nor-Feed, France) presents his poster regarding the effect of this additive on microbiota modulation, during the Symposium on Gut Health in St. Louis, USA....
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Chengbo Yang (University of Manitoba) comments on fermentation rate, use of enzymes and diet formulation with alternative ingredients, during the Symposium on Gut Health in St. Louis, USA....
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Introduction: Over the last few years, the number of born and weaned piglets per sow has been increased continuously. The aim of this study was to investigate, whether a separate allocation of a high fiber diet in addition to an ad libitum feeding of sows in farrowing pens, leads to beneficial effects for sows and piglets. Materials and Methods: From day 109 (d-7) of gestation, a total of 34 sows were fed daily two portions of a commercial lactation...
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Our sow cannot stand. Its back legs have no strength. It doesn't eat unless fed through a syringe. It's 1 week now since it became like paralyzed. It is 3 months and 15 days pregnant now. We have injected her antibiotics and vitamins but no effect. What should we do? ...
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