Effect of dietary inclusion of whole ear corn silage on stomach development and gastric mucosa integrity of heavy pigs at slaughter

Mason, Federico; Pascotto, Ernesto; Zanfi, C.; Spanghero, M.

doi:10.1016/j.tvjl.2013.09.054

Cited by 22 publications

(27 citation statements)

References 7 publications

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“…A tendency for a reduction in the proportion of the fundic area was also previously observed by feeding a diet containing WECS to pigs (Mason et al 2013). These results are not easy to interpreter, but in both our trials, the diets that have induced a reduction of fundic area contained ensiled feeds (WECS or CS): we speculate that these diets, being moderately acidic, could induce a limited development of the fundic area, which is involved in gastric acid production.…”

Section: Fattening and Slaughter Trial (Exp 2)supporting

confidence: 70%

“…The stomachs were collected at slaughter and stored at À20 C. After thawing was manipulated following the procedures described by Mason et al (2013). Once opened along the greater curvature (curvature ventricles major) the organs were emptied, gently rinsed and weighed.…”

Section: Fattening and Slaughter Trial (Exp 2)mentioning

confidence: 99%

“…Heavy pigs can digest fibre rather efficiently (Galassi et al 2005a(Galassi et al , 2010 having a well-developed gut, similarly to sows. In addition, heavy pigs have to moderate the growth rate to ensure an optimal meat quality and this should be obtained using fibrous diets rather than adopting restrict feeding systems, which reduce the sense of satiety of the animals and cause damages to the gastric mucosa (Di Martino et al 2013;Mason et al 2013). Finally, on farm ensiled forages are generally cheaper than the dry concentrates and can be produced with less energy expenses (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Digestibility, metabolic utilisation and effects on growth and slaughter traits of diets containing whole plant maize silage in heavy pigs

Galassi

Malagutti

Rapetti

et al. 2016

Italian Journal of Animal Science

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Two experiments were conducted to investigate the inclusion of high cut whole plant corn silage (HCCS) in diets for finishing heavy pigs on digestibility, metabolic utilisation, growth performance and slaughter traits. A control diet (CTR, containing maize meal, barley meal, extracted soybean meal and wheat bran, 550, 250, 90 and 80 g/kg DM, respectively) was compared with diet (CS) containing 200 g/kg DM of HCCS. The HCCS replaced wheat bran and part of maize meal in the CTR diet. In the first experiment, eight barrows were used in a two periods cross over design with periods of 21 d, included 7 d of total collection and three cycles of 24 h each in a respiratory chamber. In the second experiment, 28 barrows were divided into pairs on the basis of BW, kept in 14 pens and fed with the experimental diets until slaughter. Lower DM, OM, CP and energy total tract apparent digestibility was measured for the CS diet. Overall P retention as percentage of P intake was higher for CS diet, while N retention was similar for the two diets. Pigs fed CS tended to have a lower retained energy and the estimated NE of maize silage was 8.47 MJ/kg DM. Pigs fed the CS diets had a lower daily gain, a lower BW at slaughter and a reduction in the weight of back fat. The inclusion of HCCS increased the size of the stomach, the aNDFom concentration of stomach content and reduced the incidence of follicular gastritis. ARTICLE HISTORY

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Section: Fattening and Slaughter Trial (Exp 2)supporting

confidence: 70%

Section: Fattening and Slaughter Trial (Exp 2)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Digestibility, metabolic utilisation and effects on growth and slaughter traits of diets containing whole plant maize silage in heavy pigs

Galassi

Malagutti

Rapetti

et al. 2016

Italian Journal of Animal Science

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“…Nevertheless, adopting a dietary treatment fully comparable with our experimental conditions, Mason et al (2013) evidenced a reduced severity in gastritis in pigs fed WECS. This leads us to suppose that the small differences in NEU and NEU to LYM ratio in our trial were not related per se to a possible effect of WECS on mucosa integrity.…”

Section: Discussionmentioning

confidence: 56%

“…The introduction of WECS in diets for growing and finishing pigs requires the assessment of possible effects on blood features that may result from diet-related stress due to the physical form or particle size of the feed, which can determine welfare problems like gastric ulcers (Cappai et al, 2013;Mason et al, 2013). At the same time, a possible reduction in mineral availability Blood parameters in fattening pigs fed whole-ear corn silage and housed in group pens or in metabolic cages 1 in the growing phase must be considered and monitored, namely because of changes in phosphorous availability compared to that of diets including wheat bran (Boyd et al, 1983;Gutzwiller et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Blood parameters in fattening pigs fed whole-ear corn silage and housed in group pens or in metabolic cages1

Abeni

Petrera

Prà

et al. 2015

Journal of Animal Science

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ABSTRACT:The aim of this work was to evaluate the effects of the inclusion of whole-ear corn silage (WECS) in diets for advanced fattening heavy pigs (substitution for part of the dry corn and wheat bran) allocated or not in metabolic cages on the main blood parameters. The high-moisture shelled corn is largely used in pig feeding while WECS is less often used despite the fact that it increases the DM crop yield. Three experimental diets were fed to 27 barrows (Italian Large White × Italian Duroc), with an average BW of 98.2 (±5.6) kg at the start of the trial, and randomly allotted to 3 experimental groups including a control diet (CON) containing cereal meals (corn, barley, and wheat, 80.2% DM in total), soybean meal (9% DM), wheat bran (8% DM), minerals and supplements (2.8% DM), and 2 diets containing WECS (15 or 30% DM referred to as 15WECS and 30WECS, respectively) in partial or complete substitution for wheat bran and corn meal. The pigs were randomly housed in 9 pens with 3 animals per pen and 3 pens per dietary treatment. Six pigs per each of the 3 treatments were moved from the pens to individual metabolic cages for 3 consecutive periods (2 pigs per treatment per period). Each period lasted 14 d, and blood was collected at the start and at the end of the periods. Blood was drawn from the jugular vein before feed distribution in the morning, at 14 d intervals, and analyzed for hematological, metabolic, and serum protein profiles. The effect of the metabolic cage housing was included in the statistical model to compare the results obtained in the 2 different environments of restrained and group-housed barrows. The WECS affected the neutrophil to lymphocyte ratio and mean corpuscular hemoglobin concentration. The main diet effect on plasma metabolites was recorded for plasma NEFA, with higher values in WECS diets compared with the CON. The metabolic cage housing affected both hematological (red blood cell count, hemoglobin, hematocrit) and metabolic (protein and its fractions) items, which can be markers of hemodilution. These results indicate the possibility to use this feed in the diet of heavy pigs without negative effects on physiology. The absolute values from metabolic profile of pigs in metabolic cages must be considered with caution for possible comparisons with values obtained on-field in group pens, particularly because a different hemodilution may affect the results.

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The Quality of Heavy Pork Meat: The Role of PDO Production Specifications

Ferronato,

Froldi,

Prandini

2023

CSR, Sustainability, Ethics &Amp; Governance

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Effect of dietary inclusion of whole ear corn silage on stomach development and gastric mucosa integrity of heavy pigs at slaughter

Cited by 22 publications

References 7 publications

Digestibility, metabolic utilisation and effects on growth and slaughter traits of diets containing whole plant maize silage in heavy pigs

Digestibility, metabolic utilisation and effects on growth and slaughter traits of diets containing whole plant maize silage in heavy pigs

Blood parameters in fattening pigs fed whole-ear corn silage and housed in group pens or in metabolic cages1

The Quality of Heavy Pork Meat: The Role of PDO Production Specifications

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