Abstract:SUMMARY
Serum samples from 87 calves from a dairy herd in Southern Brazil were collected to determine the levels of passive transfer and its relationship to morbidity and mean daily weight gain (MDG). Serum immunoglobulin (Ig
“…In contrast, it appears that infection with respiratory diseases or enteric and respiratory together diseases was associated with the passive immune status at 24 to 36 h of age. The results of this study were in agreement with other studies (Moraes et al, 2000;Furman-Fratczak et al, 2011;Marcato et al, 2018) where no association could be found between passive immunity status at 24 to 36 h of age and morbidity attributable to diarrhea. IgG is probable more influential in preventing diarrhea when acting locally in the gastrointestinal tract.…”
Section: The Relationship Between Serum Igg Levels and Morbidity Ratesupporting
confidence: 93%
“…The growth rate at an early age has been observed to affect the production ability of adult animals. Moraes et al (2000) reported that calves that had FPT gained less weight than those with normal passive immunity (P<0.05). They reported that insufficient amounts of colostrum resulted in increased mortality rates, more severe diarrhea, and lower weight gain in affected calves.…”
Section: The Relationship Between Serum Igg Levels and Calf Growthmentioning
confidence: 98%
“…IgG is probable more influential in preventing diarrhea when acting locally in the gastrointestinal tract. For this reason, Moraes et al (2000) proposed that colostrum should be given continuously even after the closing of intestinal permeability to colostral immunoglobulin. In a study by Moraes et al (2000) found that the morbidity rate due to diarrhea was 90.8% in calves from birth until 6 weeks of old.…”
Section: The Relationship Between Serum Igg Levels and Morbidity Ratementioning
The objective of this study was to identify potential biomarkers of future health and performance for Friesian calves by evaluating the serum immunoglobulin G (IgG) levels in newborn calves. Serum samples from 82 calves were collected at 24 to 36 h of age to determine the levels of passive transfer. Body weights (BW) were measured at birth, day 30, and age of weaning (105 days). The occurrence of the disease and the death were recorded. Calves were divided into 3 groups based on serum IgG concentrations as a Failure of Passive Transfer (FPT), Good Protection (GP),and Very Good Protection (VGP).The morbidity rates were 100, 75, and 52.63% for the calves with FPT, GP, and VGP, respectively. In calves with FPT was observed that 35% of these infections were enteric diseases, 25% respiratory diseases, and 40% enteric and respiratory diseases together. While the calves that had GP were observed that 66.67% of these infections were enteric diseases and 8.33% respiratory diseases. In contrast, the calves that had VGP were observed that all of the infections (52.63%) were enteric diseases. The mortality rates were 45.0, 8.33, and 0.0% for the calves with FPT, GP, and VGP, respectively.The calves with FPT had an average daily gain lower (P<0.05) than those who had GP or VGP during the preweaning period. The correlation coefficient between concentrations of serum IgG and the BW at weaning was moderate (r=0.631; P<0.0001).Wherefore,colostrum management should receive appropriate attention to optimize passive transfer status and improve the growth performance of calves.
“…In contrast, it appears that infection with respiratory diseases or enteric and respiratory together diseases was associated with the passive immune status at 24 to 36 h of age. The results of this study were in agreement with other studies (Moraes et al, 2000;Furman-Fratczak et al, 2011;Marcato et al, 2018) where no association could be found between passive immunity status at 24 to 36 h of age and morbidity attributable to diarrhea. IgG is probable more influential in preventing diarrhea when acting locally in the gastrointestinal tract.…”
Section: The Relationship Between Serum Igg Levels and Morbidity Ratesupporting
confidence: 93%
“…The growth rate at an early age has been observed to affect the production ability of adult animals. Moraes et al (2000) reported that calves that had FPT gained less weight than those with normal passive immunity (P<0.05). They reported that insufficient amounts of colostrum resulted in increased mortality rates, more severe diarrhea, and lower weight gain in affected calves.…”
Section: The Relationship Between Serum Igg Levels and Calf Growthmentioning
confidence: 98%
“…IgG is probable more influential in preventing diarrhea when acting locally in the gastrointestinal tract. For this reason, Moraes et al (2000) proposed that colostrum should be given continuously even after the closing of intestinal permeability to colostral immunoglobulin. In a study by Moraes et al (2000) found that the morbidity rate due to diarrhea was 90.8% in calves from birth until 6 weeks of old.…”
Section: The Relationship Between Serum Igg Levels and Morbidity Ratementioning
The objective of this study was to identify potential biomarkers of future health and performance for Friesian calves by evaluating the serum immunoglobulin G (IgG) levels in newborn calves. Serum samples from 82 calves were collected at 24 to 36 h of age to determine the levels of passive transfer. Body weights (BW) were measured at birth, day 30, and age of weaning (105 days). The occurrence of the disease and the death were recorded. Calves were divided into 3 groups based on serum IgG concentrations as a Failure of Passive Transfer (FPT), Good Protection (GP),and Very Good Protection (VGP).The morbidity rates were 100, 75, and 52.63% for the calves with FPT, GP, and VGP, respectively. In calves with FPT was observed that 35% of these infections were enteric diseases, 25% respiratory diseases, and 40% enteric and respiratory diseases together. While the calves that had GP were observed that 66.67% of these infections were enteric diseases and 8.33% respiratory diseases. In contrast, the calves that had VGP were observed that all of the infections (52.63%) were enteric diseases. The mortality rates were 45.0, 8.33, and 0.0% for the calves with FPT, GP, and VGP, respectively.The calves with FPT had an average daily gain lower (P<0.05) than those who had GP or VGP during the preweaning period. The correlation coefficient between concentrations of serum IgG and the BW at weaning was moderate (r=0.631; P<0.0001).Wherefore,colostrum management should receive appropriate attention to optimize passive transfer status and improve the growth performance of calves.
“…A similar prevalence (42.9%) has been observed in healthy calves, whereas a distinctly higher prevalence of FPT (97.2%) was found in calves with neonatal diarrhea in previous studies performed in the same geographic region. Others have observed lower (16–28%) or similar (41%) prevalence for FPT. Colostrum of poor quality was the main risk factor associated with FPT in our study.…”
BackgroundPrevious studies have shown a high prevalence of failure of passive transfer of immunity (FPT) in Swiss dairy calves.ObjectivesTo investigate risk factors associated with poor colostrum quality and FPT on Swiss dairy farms.AnimalsColostrum and serum samples from 373 dam‐calf pairs at 141 farms.MethodsThe gamma globulin (Gg) concentrations of the dams’ colostrum and the calves’ serum samples were determined by electrophoresis. Potential risk factors were assessed by logistic regression of questionnaire data.ResultsPrevalence values of 15.5% (95% confidence interval [CI], 12.0–19.6%) for low‐quality colostrum (<50 g Gg/L) in cows and 43.5% (95% CI, 38.4–48.8%) for FPT (serum Gg < 10 g/L) in calves were estimated. The main factors associated with low colostrum quality included colostrum leakage before or during parturition and a time lag > 6 hours between parturition and first milking. The results confirm that the occurrence of FPT in calves primarily was influenced by the quality of colostrum, the amount of ingested colostrum, and the time between birth and first feeding.Conclusions and Clinical ImportanceThese results confirm a large potential for improvement in colostrum harvesting and colostrum feeding procedures in the study herds. Control for colostrum leaking intra‐partum, early colostrum milking, and ensuring that the calves ingest a sufficient volume of colostrum within the first hours of life are measures that can be readily implemented by farmers to decrease the incidence of FPT without additional workload.
“…Higher Ig levels indicate proper maternal protection of calves. Moraes et al (2000) estimated the level of passive transfer in calves using a turbidity test and established that FPT occurs in calves with a serum Ig concentration <5 g/L. In contrast to research in foals, partial failure of passive transfer (PFPT) is rarely described in calves and is likely underestimated in practice.…”
The aim of this study was to determine factors affecting passive transfer in heifer calves born within 1 yr and how passive transfer influences rearing to the period of first insemination under commercial dairy farm conditions. Calves were divided into 4 groups based on serum immunoglobulin concentrations at 30 to 60 h of life (<5, 5-10, 10-15, and >15 g/L, respectively in groups 1 to 4). Calving ease, dam parity, calf body weight at birth, calf vitality, quality of colostrum, time and volume of first colostrum fed, morbidity rate and intensity of illness, growth rate, and age and efficiency of first insemination service were recorded. Plasma fibrinogen, and serum γ-globulin, IgG(1), IgG(2), IgM, and haptoglobin were estimated at 30 to 60 h and again at 21 to 28 d of life. Additionally, the immunoglobulin index (I(Ig3-4)) was calculated. The main cause of FPT and PFPT in the calves was poor vitality associated with dystocia and low volume of ingested colostrum. The calves born to primiparous cows were more endangered than those born to multiparous cows. The morbidity and intensity of disease course were lowest in heifer calves with serum Ig concentration exceeding 10 g/L at 30 to 60 h of life; these calves did not become ill before d 14 of life. Calves with >15 g/L γ-globulin in serum avoided respiratory tract infections. The immunoglobulin index was lowest (0.61) in calves from group 4 and highest in calves from groups 1 and 2 (1.44 and 0.88, respectively). The suitability of this index as well as haptoglobin determination was confirmed in prediction of morbidity risk and disease intensity in growing heifer calves. Heifers with serum γ-globulin levels >10 g/L at 30 to 60 h of life showed better health status and reached body weights allowing first insemination sooner.
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