Haematology and Plasma Biochemistry of Stamboek Pre‐pubertal Gilts in Italy: Reference Values

Faustini, M.; Munari, E.; Colombani, C.; Russo, Vincenzo; Maffeo, G.; Vigo, D.

doi:10.1046/j.1439-0442.2000.00314.x

Cited by 5 publications

(5 citation statements)

References 11 publications

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“…Except for MCV and RDW red cell‐related variables in piglets (Table 1) are considered to be within the normal range for swine, except for MCV and RDW mean values. The higher average values for MCV and RDW are similar to those reported for 2–3‐week‐old piglets (Egeli and Framstad, 1998) but higher than previously reported for 1–3 month piglets (Faustini et al., 2000). This difference could be due to the marked bone marrow erythrogenic activity that characterize the first period of life in piglets.…”

Section: Discussionsupporting

confidence: 88%

Reference Intervals and Age‐related Changes for Platelet Count, Mean Platelet Volume and Plateletcrit in Healthy Pre‐weaning Piglets in Italy

Faustini¹,

Bronzo

Maffeo³

et al. 2003

Journal of Veterinary Medicine Series A

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Platelet count (PLT) mean platelet volume (MPV) and plateletcrit (PCT) were determined for 117 Landrace x Large White piglets aged 3-21 days; counts were performed with an automated blood cell counter (ABX Pentra 120). Reference values were estimated following the guidelines of the International Federation of Clinical Chemistry (IFCC) and the International Committee for Standardization in Haematology (ICSH). The calculated central 95% reference limits for PLT was 49.9-516.2 x 10(9)/1, for MPV 6.71-9.91 fl and for PCT 0.009-0.395%. When observations are divided into three age groups (about 1 week each) there is an increase in mean PLT count and PCT in 2-week piglets, and a decrease in MPV from the first to the third week of life. These reference values provide guidelines for interpreting for experimental and clinical observations, as well as for monitoring of the health status of similar aged piglets determined using automated impedance-light focusing methodology.

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Section: Discussionsupporting

confidence: 88%

Reference Intervals and Age‐related Changes for Platelet Count, Mean Platelet Volume and Plateletcrit in Healthy Pre‐weaning Piglets in Italy

Faustini¹,

Bronzo

Maffeo³

et al. 2003

Journal of Veterinary Medicine Series A

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“…The effects of dietary P supply on P concentration in serum observed in the present study are consistent with other studies in which dietary P supply influenced serum P levels (Hagemoser et al, 2000;Koch et al, 1984;Kornegay & Thomas, 1981;Qian et al, 1996;Ruan et al, 2007). Nevertheless, the significance of this parameter for diagnostic purposes in veterinary practice is limited because of its strong age-dependency (Doornenbal et al, 1983;Dubreuil & Lapierre, 1997;Faustini et al, 2000;Kixmöller, 2004;Yeom et al, 2012).…”

Section: Serum Parameterssupporting

confidence: 89%

Comparative study on the chemical composition of different bones/parts of bones in growing pigs differently supplied with inorganic phosphorus and phytase

Rieger

Ratert

Wendt

et al. 2021

Animal Physiology Nutrition

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From the veterinarian point of view, the precise assessment of the phosphorus (P) supply of pigs is of great interest, especially in cases of clinical disorders like 'leg weakness' or lameness when bone mineralisation may be disturbed. Thus, the question arises which bone is most suitable for diagnostic purposes and is reflecting changes in dietary P supply most clearly. Thirty-six growing pigs (BHZP db.Viktoria x Piétrain, about eleven weeks old, mean bw: 28.3 ± 3.44 kg) were allotted to three groups differently supplied with P by receiving a diet either supplemented with inorganic P (iP) and phytase (500 FTU/kg; controls/group C), without iP but phytase added (500 FTU/ kg; group 1) or containing only endogenous phytase (group 2). The inclusion of iP resulted in total P contents in diets for group C of 4.76 and 4.23 g/kg as fed from 28 to 57 and >57 kg body weight (bw), respectively. In diets for group 1 and 2, the corresponding P contents were 3.08/2.72 g/kg as fed (group 1) and 3.08/2.88 g/kg as fed (group 2). On days 26, 47 and 82 of the dietary treatment, four pigs of each group were euthanised. Furthermore, four additional pigs were euthanised one day before starting the experiment. Standardised samples of the femur (distal part), tibia/fibula (proximal part) and os metatarsale III (MT III, in toto) were taken during dissection and submitted to chemical analysis. At all time points, pigs of group C had significantly higher ash contents in all types of bone samples compared to pigs from group 1 and 2.Relative differences between means of groups (C = 100%) were less for the ash content in MT III (reduction by up to −9.1%) compared to the distal femur and the proximal tibia/fibula (reduction by up to −23.2 resp. −22.7%). Variation coefficient (irrespective of group and time point) was lower for ash content in MT III (4.29%) compared to the distal femur and the proximal tibia/fibula (both: 11.8%). Under the conditions of this study, ash contents of the distal femur and the proximal tibia/fibula reflected the different P supply more pronounced indicating higher sensitivity compared to MT III.

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“…However, the hematocrit values obtained in the present study were within the normal range known from the literature [37,38]. A slight hemodilution may have occurred due to infusion of the animals by balanced anesthesia, but there was neither a difference in hematocrit between the experimental groups nor within one group throughout the duration of the experiment; therefore, the findings of the flow measurements may not be explained by the hematocrit values.…”

Section: Discussionsupporting

confidence: 74%

Hepatic Arterial Infusion with Tumor Necrosis Factor-α Induces Early Hepatic Hyperperfusion

Schäfer¹,

Sperling²,

Slotta³

et al. 2012

Eur Surg Res

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Background: Hepatic arterial infusion (HAI) has been developed for high-dose regional chemotherapy of unresectable liver metastases or primary liver malignancies. While it is well known that high concentrations of tumor necrosis factor (TNF)-α damage tumor blood perfusion, there is no information on whether autochthonous liver perfusion is affected by HAI with TNF-α. Therefore, we investigated the effects of HAI with TNF-α on hepatic macro- and microvascular perfusion. Methods: Swabian Hall pigs were randomized into three groups. HAI was performed with either 20 or 40 µg/kg body weight TNF-α (n = 6 each group). Saline-treated animals served as controls (n = 6). Analyses during a 2-hour post-HAI observation period included systemic hemodynamics, portal venous and hepatic arterial blood flow, portal venous pressure, and the blood flow in the hepatic microcirculation. Results: HAI with TNF-α caused a slight decrease of mean arterial blood pressure (p < 0.001), which was compensated by a moderate increase of heart rate (p < 0.001). No further systemic side effects of TNF-α were observed. HAI with TNF-α further caused a slight but not significant decrease of portal venous blood flow (p = 0.737) in both experimental groups, paralleled by an increase of hepatic arterial blood flow (p = 0.023, 20 µg/kg; p = 0.034, 40 µg/kg) resulting in an overall hepatic hyperperfusion. The hepatic hyperperfusion after HAI with 20 µg/kg TNF-α was more pronounced and associated with a 40% decrease of the blood flow in the hepatic microcirculation (p = 0.009). HAI with 40 µg/kg TNF-α was only associated with a temporary and moderate total hepatic hyperperfusion and did not affect the blood flow in the hepatic microcirculation. Conclusion: HAI with TNF-α causes a decrease of portal venous flow; however, this is overcompensated by an increased hepatic arterial blood flow, resulting in a total hepatic hyperperfusion. Moderate total hepatic hyperperfusion does not affect the blood flow in the hepatic microcirculation, while a persistent and more pronounced hyperperfusion may cause hepatic microcirculatory disturbances.

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Haematology and Plasma Biochemistry of Stamboek Pre‐pubertal Gilts in Italy: Reference Values

Cited by 5 publications

References 11 publications

Reference Intervals and Age‐related Changes for Platelet Count, Mean Platelet Volume and Plateletcrit in Healthy Pre‐weaning Piglets in Italy

Reference Intervals and Age‐related Changes for Platelet Count, Mean Platelet Volume and Plateletcrit in Healthy Pre‐weaning Piglets in Italy

Comparative study on the chemical composition of different bones/parts of bones in growing pigs differently supplied with inorganic phosphorus and phytase

Hepatic Arterial Infusion with Tumor Necrosis Factor-α Induces Early Hepatic Hyperperfusion

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