Preface

Smith, Bradford P.; Metre, David C. Van; Pusterla, Nicola

doi:10.1016/b978-0-323-55445-9.00068-9

Cited by 39 publications

(103 citation statements)

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“…However specific metabolic adaptations related to high milk yield in cows grazing in herds located in the high tropics could explain this behavior. Compared to other authors [7,21], the values for these analytes were similar in the present study (Table 5). The HCM does not provide additional diagnostic value, because it depends on the mean corpuscular volume (MCV) and the mean corpuscular hemoglobin concentration (MCHC) which had values not affected by parity.…”

Section: Discussionsupporting

confidence: 87%

“…In this period the plant produce not only a larger volumen of grass but also a major amount of dry matter per square meter of pasture. Values of MBHB reported by Smith [21], were higher than those of the present study. The opposite occurs with ketones, which exhibited a wide range.…”

Section: Discussioncontrasting

confidence: 86%

“…The present study focuses on regional variations related to dairy cows from high tropics grazing herds. Previous data have been reported on reference values for analytes of dairy cows during the transition period [6,7,9,10,20], and lactating dairy cows [4,11,21]. Regarding minerals, our results showed that the upper value for P and Mg is two to three times higher than the reference values reported by other authors (Table 5).…”

Section: Discussioncontrasting

confidence: 54%

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Parity and season affect hematological, biochemical, and milk parameters during the early postpartum period in grazing dairy cows from high-tropics herds

Timarán¹,

Montoya-Zuluaga²,

Castillo-Vanegas

et al. 2020

Heliyon

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Improving the early detection of animals or herds at increased risk for diseases, reduced milk yield or impaired reproductive performance should be an essential component of herd health programs. The present study aimed to describe the findings of hematological, biochemical, and milk analytes of grazing cows from tropical dairy herds during the early postpartum period, and the effects of parity and calving season. In the North of Antioquia, Colombia which is the major area of specialized dairy production in the country, a longitudinal study comprising 260 dairy cows selected at calving, was conducted. Blood and milk sampling were made to establish red blood cell count, white blood cell count, minerals, protein traits and, milk composition. Variables were checked for normal distribution. The Box-Cox transformation was used when necessary. Variables were statistically analyzed using a GLM model considering parity and calving season as fixed effects. Using a parametric or non-parametric method based on the distribution of the variables, single average values, and 90% confidence intervals were determined considering fixed effects founds in the GLM model. Blood values affected by parity in lactating dairy cows grazing in highland tropical herds included serum calcium levels, red blood cell counts, hematocrit, hemoglobin, mean corpuscular hemoglobin, and total eosinophil counts, whereas blood values affected by season included: total leukocyte counts, total and differential lymphocyte counts, serum albumin and globulin concentration, and serum albumin:globulin ratio (P < 0.05). Data from our study could be used for comparison studies between lactating dairy cows within tropical herds or between tropical and seasonal dairy herds.

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Section: Discussionsupporting

confidence: 87%

Section: Discussioncontrasting

confidence: 86%

Section: Discussioncontrasting

confidence: 54%

See 1 more Smart Citation

Parity and season affect hematological, biochemical, and milk parameters during the early postpartum period in grazing dairy cows from high-tropics herds

Timarán¹,

Montoya-Zuluaga²,

Castillo-Vanegas

et al. 2020

Heliyon

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“…Cattle are severely dehydrated, the eyeballs are sunken, the nose is dry, and the abdominal circumference is enlarged. Some cattle cannot stand ( 16 ). According to the early clinical symptoms ( Table 1 ), timely diagnosis and treatment can improve the cure rate and save the cost of treatment.…”

Section: Discussionmentioning

confidence: 99%

Case Report: Abomasum Impaction in Beef Cattle Due to High Intake of Distillers' Grain and Treatment Options in Southwest China

Yong

Luo

Yang³

et al. 2021

Front. Vet. Sci.

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In Southern China, distillers' grain is the main feed ingredient for small beef cattle farms. High intake of distillers' grain may lead to abomasum impaction, a disorder caused by the accumulation of solid content within the organ. For treatment, there are non-surgical and surgical options. In this study, we aimed to describe the clinical presentation, diagnosis, and treatment of beef cattle with abomasum impaction due to high intake of distillers' grain. Forty-nine Simmental beef cattle from 13 farms in Chongqing, China, were diagnosed with abomasum impaction. Animals were male, aged ≤2 years, and weighed between 200 and 350 kg. In this retrospective study, information on distillers' grain intake and clinical data were collected for 49 beef cattle diagnosed with abomasum impaction. The animals were treated between 2011 and 2019 with either non-surgical therapy or surgery. Animals diagnosed with mild abomasum impaction (n = 14) fully recovered after non-surgical treatment. Among moderate cases (n = 19), 12 cattle recovered after non-surgical treatment (63%), while the remaining seven did not respond well and underwent surgery. Three of those animals were subsequently cured (3/7). Among the severe cases (n = 16), four cattle were cured after non-surgical treatment (25%) (4/16). Of the remaining 12 cattle, six were slaughtered, and six died after surgery. Non-surgical treatment is efficient for mild abomasum impaction caused by a high intake of distillers' grain and may be considered for both moderate and severe cases. However, the treatment success rate for more severe cases decreases as the disease severity worsens.

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“…**Smith (2009). Após confrontados os valores dos hemogramas de cada animal individualmente com os valores de referência para a espécie citados porSmith (2009) foram observadas as alterações relacionadas na tabela 2.Tabela -(a,b) Letras minúsculas diferentes na mesma linha diferem estatisticamente pelo teste da teste da binomial para duas proporções.Comparados os valores dos parâmetros hematológicos dos animais do presente estudo entre os dois períodos (primeira semana pós-parto e 60 dias pós-parto), observaram-se diferenças significativas (p<0,05) nos valores das hemácias, hemoglobina, volume globular, volume corpuscular médio, neutrófilos em bastonetes, eosinófilos, monócitos, proteínas plasmáticas e proteínas séricas (tabela 1).Os Entre as principais alterações observadas no eritrograma das vacas do presente estudo após confrontar os valores dos hemogramas dos animais individualmente com os de referência para a espécie No leucograma observou-se um número de vacas significativamente superiores com eosinofilia aos 60 DPP (p<0,05). Embora a hiperproteinemia tenha sido um achado com alta frequência na primeira semana pós-parto observada em 81,1% das vacas, esta foi estatisticamente superior aos 60 DPP (p<0,05), detectada em 91,8% das vacas.…”

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Parâmetros hematológicos e perfil sérico dos hormônios tireoidianos em vacas mestiças no pós-parto

Cruz¹

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Preface

Cited by 39 publications

References 0 publications

Parity and season affect hematological, biochemical, and milk parameters during the early postpartum period in grazing dairy cows from high-tropics herds

Parity and season affect hematological, biochemical, and milk parameters during the early postpartum period in grazing dairy cows from high-tropics herds

Case Report: Abomasum Impaction in Beef Cattle Due to High Intake of Distillers' Grain and Treatment Options in Southwest China

Parâmetros hematológicos e perfil sérico dos hormônios tireoidianos em vacas mestiças no pós-parto

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