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Vasconcellos RS, Henríquez LBF, Lourenço PDS. Spray-Dried Animal Plasma as a Multifaceted Ingredient in Pet Food. Animals (Basel) 2023; 13:1773. [PMID: 37889645 PMCID: PMC10252101 DOI: 10.3390/ani13111773] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/20/2023] [Accepted: 05/22/2023] [Indexed: 08/13/2023] Open
Abstract
Plasma is a co-product from pork and beef obtained during the processing of animals for human consumption. The spray-drying process maintains the solubility of spray-dried animal plasma (SDAP) and its nutritional and functional properties, making this ingredient multifunctional in human and animal nutrition. In pet food, SDAP has been used in the production of wet foods (pates and chunks in gravy) as an emulsifying and binding agent, with the potential to replace hydrocolloids partially or totally, which have some negative implications for digestibility, fecal quality, and intestinal inflammation. From a nutritional point of view, SDAP has high digestibility and an amino acid profile compatible with high-quality ingredients, such as powdered eggs. Studies in companion animals, especially in cats, have shown that SDAP is an ingredient with high palatability. Despite the immunomodulatory, anti-inflammatory, prebiotic, and neuroprotective properties demonstrated in some animal models, there are still few publications demonstrating these effects in dogs and cats, which limits its use as a functional ingredient for these species. In this review, the potential use of SDAP in pet food, aspects related to the sustainability of this ingredient, and opportunities for studies in companion animals are discussed.
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Affiliation(s)
- Ricardo Souza Vasconcellos
- Department of Animal Science, State University of Maringá, Maringá 87020-900, Brazil; (L.B.F.H.); (P.d.S.L.)
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Castro J, Barros MM, Araújo D, Campos AM, Oliveira R, Silva S, Almeida C. Swine enteric colibacillosis: Current treatment avenues and future directions. Front Vet Sci 2022; 9:981207. [PMID: 36387374 PMCID: PMC9650617 DOI: 10.3389/fvets.2022.981207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/10/2022] [Indexed: 09/10/2023] Open
Abstract
Enteric colibacillosis is a common disease in nursing and weanling pigs. It is caused by the colonization of the small intestine by enterotoxigenic strains of Escherichia coli (ETEC) that make use of specific fimbria or pili to adhere to the absorptive epithelial cells of the jejunum and ileum. Once attached, and when both the immunological systems and the gut microbiota are poorly developed, ETEC produce one or more enterotoxins that can have local and, further on, systemic effects. These enterotoxins cause fluid and electrolytes to be secreted into the intestinal lumen of animals, which results in diarrhea, dehydration, and acidosis. From the diversity of control strategies, antibiotics and zinc oxide are the ones that have contributed more significantly to mitigating post-weaning diarrhea (PWD) economic losses. However, concerns about antibiotic resistance determined the restriction on the use of critically important antimicrobials in food-producing animals and the prohibition of their use as growth promoters. As such, it is important now to begin the transition from these preventive/control measures to other, more sustainable, approaches. This review provides a quick synopsis of the currently approved and available therapies for PWD treatment while presenting an overview of novel antimicrobial strategies that are being explored for the control and treatment of this infection, including, prebiotics, probiotics, synbiotics, organic acids, bacteriophages, spray-dried plasma, antibodies, phytogenic substances, antisense oligonucleotides, and aptamers.
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Affiliation(s)
- Joana Castro
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
| | - Maria Margarida Barros
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
| | - Daniela Araújo
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
| | - Ana Maria Campos
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
| | - Ricardo Oliveira
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
- LEPABE – Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal
- ALiCE – Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
| | - Sónia Silva
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
- Centre of Biological Engineering, Braga, Portugal
- LABBELS – Associate Laboratory, Braga/Guimarães, Portugal
| | - Carina Almeida
- National Institute for Agrarian and Veterinarian Research (INIAV), Vila do Conde, Portugal
- LEPABE – Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal
- ALiCE – Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
- Centre of Biological Engineering, Braga, Portugal
- LABBELS – Associate Laboratory, Braga/Guimarães, Portugal
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Shamsi TN, Yin J, James ME, James MN. Porcine Epidemic Diarrhea: Causative Agent, Epidemiology, Clinical
Characteristics, and Treatment Strategy Targeting Main Protease. Protein Pept Lett 2022; 29:392-407. [DOI: 10.2174/0929866529666220316145149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 11/22/2021] [Accepted: 11/28/2021] [Indexed: 11/22/2022]
Abstract
Aims:
This aimed to study the causative agent, epidemiology, clinical characteristics, and
treatment strategy targeting the main protease in porcine epidemic diarrhea.
Background:
Porcine epidemic diarrhea (PED) is a contagious intestinal viral infection causing
severe diarrhea, vomiting, and dehydration in pigs. High rates of mortalities and severe morbidities,
approaching 100%, are reported in piglets infected with PEDV. In recent years, PED has been
observed to influence the swine-farming nations in Europe, Asia, the USA, South Korea, and
Canada. The PED virus (PEDV) transmission takes place through a faecal-oral route.
Objective:
The objective is to review the characteristics of PEDV and its role in the disease. In
addition, we aim to outline some possible methods to combat PED infection, including targeting the
main protease of coronavirus and their future perspectives.
Method:
This study is a review of literature on the PED virus.
Results:
Apart from symptomatic treatment and supportive care, there is no available specific
treatment for PEDV. Appropriate disinfectants and cleaning are pivotal for the control of PEDV. To
date, apart from anti-PEDV inhibitors, there are no specific drugs available commercially to treat
the disease. Therefore, 3C-like protease (3CLpro) in PEDV that has highly conserved structure and
catalytic mechanism serves as an alluring drug as it plays a vital role during viral polyprotein
processing at the time of infection.
Conclusion:
A well synchronized and collective effort of scientists, swine veterinarians, pork
industry experts, and associated authorities is essential for the accomplishment of proper execution
of these required measures.
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Affiliation(s)
- Tooba N. Shamsi
- Department of Biochemistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2H7,
Canada
| | - Jiang Yin
- Department of Biochemistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2H7,
Canada
| | - Michelle E. James
- Department of Biochemistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2H7,
Canada
| | - Michael N.G. James
- Department of Biochemistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2H7,
Canada
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Zhuo Y, Hua L, Che L, Fang Z, Lin Y, Xu S, Wang J, Li J, Feng B, Wu D. Dietary Fiber Supplementation in Replacement Gilts Improves the Reproductive Performance From the Second to Fifth Parities. Front Vet Sci 2022; 9:839926. [PMID: 35558883 PMCID: PMC9088012 DOI: 10.3389/fvets.2022.839926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/17/2022] [Indexed: 12/04/2022] Open
Abstract
This study examined the effects of soluble fiber (SF) supplementation (0.8%), containing 17.4% rhamnose, 4.1% fucose, 11.1% arabinose, 30.6% xylose, and 16.4% galactose during the prepubescent phase on the subsequent performance from the second to fifth parities. After the first parity, 56 and 55 post-weaning sows in the control (CON) and SF groups had their reproductive performance monitored in succeeding parities. Circulating concentrations of anti-mullerian hormone (AMH) were greater in the SF group than in the CON group at 205 d of age and the first post-weaning day (p < 0.05). The SF treatment at the prepubescent phase resulted in an enhanced reproductive performance from parities three to five. In Parity three, the SF sows had 1.32 total born (p = 0.044), 1.43 born alive (p = 0.023) and 1.40 born effective, which was significantly more than in the CON group (p = 0.022). In Parity four, the SF sows had 1.1 total born (p = 0.058), 1.28 born alive (p = 0.019), and 1.06 born effective, significantly more than in the CON group (p = 0.049). In Parity five, the SF gilts had 1.43 total born (p = 0.075), 1.53 born alive (p = 0.067) and 1.65 born effective, significantly more than in the CON group (p = 0.020). No effects were observed for the removal of sows and backfat thickness at the mating in each parity between groups (p > 0.05). Collectively, gilts that received an extra 0.8% SF during the prepubescent phase increased their subsequent litter size as breeding sows. These results showed that nutritional decisions at the replacement phase could influence lifetime fertility.
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