Biochemical blood parameters in pigs

Lingaas, Frode; Brun, Edgar; Aarskaug, T.; Havre, Gustav N.

doi:10.1111/j.1439-0388.1992.tb00406.x

Cited by 9 publications

(3 citation statements)

References 39 publications

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“…Thus, during lactation and after weaning of piglets, the biochemical processes of sow's body are changing significantly. It is well known [ 32 , 33 ] that protein metabolites (total protein and its fractions and urea) and lipid metabolites (cholesterol and triglycerides) are the most important components for the milk synthesis. An increase of these protein and lipid metabolites in the blood serum of sows (8 days after weaning of piglets) indicates that these precursors of the secret of the breast are less consumed after the cessation of milk formation in the animal body.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…Authors of [ 33 ] studied the effect of the genotype and the time after farrowing on the indicators of metabolic processes in the body of sows. For example [ 33 ], in the first month of lactation (in comparison with the third) in the body of sows, there are reduced levels of total protein and its fractions and increased concentrations of lipid metabolites, in particular, cholesterol. This proves that lactation has a strong effect on the metabolism of sows during the first weeks after farrowing since the piglets “need for nutrients” is very high at the beginning of lactation.…”

Section: Discussionmentioning

confidence: 99%

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Metabolic Profile of Sow Blood Serum after Weaning

Bogolyubova

Rykov

Zaitsev

2022

Veterinary Medicine International

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The aim of our research was to determine the content of protein, carbohydrate, lipid, and mineral metabolites, as well as an antioxidant status of the sow’s blood after weaning and to calculate the correlation between these parameters. The experiment was carried out on twenty clinically healthy crossbred sows (Yorkshire × Landrace). Twenty sows were allocated to one of two groups: (1) 1 day after weaning (group 1, n = 10) and (2) 8 days after weaning (group 2, n = 10). The basis of the sow diet was SK-1 compound feed, balanced in terms of nutrients and energy in accordance with modern standards and the recommended feeding regimen. Sows blood samples were taken and analyzed for the metabolites of nitrogenous, carbohydrate-lipid, and mineral metabolism and indicators of antioxidant status. The results showed that, in group 2, the total protein content was 89.07 g/l, which is 10.2% higher than that in group 1 ( p < 0.05 ); it was mainly achieved due to the globulin fraction. The urea increased by 19.1% ( p < 0.05 ), but the concentrations of magnesium and chlorides decreased by 20.2% ( p < 0.01 ) and 5.43% ( p < 0.05 ), as well as the alkaline phosphatase and ALT activities decreased by 42.5% ( p < 0.05 ). Strong positive correlations of the ceruloplasmin with total protein (0.672) and very strong with globulins (0.780) were observed. There was a strong negative correlation between the AST activity and the TBA-AP content, as well as the values of phospholipids and TAWSA. There are moderate negative correlations of the TBA-AP with magnesium, TAWSA and ALT activity, and moderate positive correlations of the TBA-AP with total protein, albumin, triglycerides, and cholesterol. The revealed tendencies and dependencies will serve as the theoretical basis for the development of practical methods for regulating the level of free-radical reactions.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Metabolic Profile of Sow Blood Serum after Weaning

Bogolyubova

Rykov

Zaitsev

2022

Veterinary Medicine International

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Physiological responses to divergent selection for daily food intake or lean growth rate in pigs

Cameron¹,

McCullough²,

Troup³

et al. 2003

Anim. Sci.

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Correlated responses in physiological traits to divergent selection on components of efficient lean growth identified physiological traits for use as predictors of genetic merit and provided a biological explanation for the between-selection line differences in protein and lipid deposition. Responses (differences between high (H) and low (L) selection lines) in protein metabolism during ad-libitum feeding were associated with divergent selection for daily food intake (DFI) (reduced serum creatinine concentration (H = 1·30 v. L = 1·56, s.e.d. 0·08 mg/dl)) and for lean growth rate on an ad-libitum feeding regime (LGA) (increased serum urea (H = 48 v. L = 36, s.e.d. 4 mg/dl) and creatinine (H = 1·74 v. L = 1·45 mg/dl)) concentrations, but not with selection for lean growth on a restricted feeding regime (LGS). Following 24-h fasting, responses in lipid metabolism, in the form of higher serum non-esterified fatty acid concentrations, were detected with divergent selection for both LGA (399 v. 248, s.e.d. 66 µmol/l) and LGS (H = 361 v. L = 107 µmol/l). The high LGS line appeared to ‘preserve’ protein to a greater extent than the high LGA line and similarly there was greater maintenance of lipid depots by the low LGS line compared with the low LGA line. A tentative ranking of the two pairs of lean growth selection lines on the basis of ‘importance’ of protein deposition would be high LGS, high LGA, low LGA and low LGS.Coheritabilities for serum creatinine concentration with predicted lysine balance and lysine required for protein deposition (-0·17 and 0·17, s.e. 0·08) indicated that serum creatinine concentration may usefully be included in breeding value prediction for lysine requirement and protein deposition to increase the accuracy of predicted genetic merit.Fasting did not increase the coheritabilities for serum creatinine concentration, so inclusion of serum creatinine concentration in a selection criterion for dietary lysine requirement or protein deposition does not require withdrawal of food before blood sampling animals.

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Growth, blood, carcass and meat quality traits from local pig breeds and their crosses

Martins

Fialho

Albuquerque

et al. 2020

Animal

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Contrary to intensive pig production, local pig breeds and their production systems are able to respond to the high criteria and expectations of modern society in regard to some environmental aspects, animal welfare, food quality and healthiness. This study proposes the recovery, study and use of a cross between two local breeds, contributing to animal biodiversity conservation and to the income of local pig producers. This work studied the growth performance and blood, carcass and meat quality traits of Alentejano (AL), Bísaro (BI) and Ribatejano (RI) (AL × BI, BI × AL) castrated male pigs. Raised outdoors, pigs were fed commercial diets ad libitum and killed at ~65 kg (trial 1, n = 10 from each genotype) and ~150 kg BW (trial 2, n = 9 from each genotype). In trial 1, AL and AL × BI attained slaughter weight later than BI and BI × AL pigs, with AL presenting lower average daily gains than the other genotypes (P < 0.001). Alentejano and RI pigs presented higher (P < 0.01) levels of plasma total protein than BI. Overall, carcass traits were affected by genotype, with length (P < 0.01), yield (P = 0.07) and lean cut proportions (P < 0.01) lower in AL than BI, and intermediate values for crossed pigs. Conversely, AL pigs presented higher fat cut proportion (P < 0.01), average backfat thickness (P < 0.001) and ‘zwei punkte’ fat depth (P < 0.01) than BI and RI pigs. Alentejano pigs also presented higher Longissimus lumborum (LL) intramuscular fat (P < 0.05), myoglobin content and ultimate pH (P < 0.01), but lower total collagen (P < 0.05), drip (P < 0.001) and cooking losses (P < 0.01), and shear force (P < 0.001) than all other genotypes. Finally, LL showed a more intense red colour in AL than in BI pigs. In trial 2, AL pigs confirmed to be a slow-growing obese breed with lower bone and lean cut proportions than BI, and higher LL intramuscular fat, richer colour, lower water loss and higher tenderness. In both trials, RI pigs grew faster, with higher lean and lower fat cut proportions and backfat thickness, and with overall LL characteristics comparable to those observed in AL pigs. This work demonstrates some clear differences between AL and BI breeds while showing that their crosses present intermediate characteristics in most studied traits. These data on RI pigs can be useful to breeders’ associations and farmers in order to consider the use of these crosses as an option or complement to pure line breeding.

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Biochemical blood parameters in pigs

Cited by 9 publications

References 39 publications

Metabolic Profile of Sow Blood Serum after Weaning

Metabolic Profile of Sow Blood Serum after Weaning

Physiological responses to divergent selection for daily food intake or lean growth rate in pigs

Growth, blood, carcass and meat quality traits from local pig breeds and their crosses

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