Estudo sobre a migração transuterina e a razão sexual de conceptos em bovinos da raça Nelore (Bos taurus indicus)

Borges, Gabriel Batista de Oliveira

doi:10.26512/2016.04.d.20792

Cited by 3 publications

(3 citation statements)

References 36 publications

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“…Ht, MCV, and TPC values showed no difference between groups, and their results are similar to those obtained by [37] in Nellore and Holstein breeds, [48] in Norwegian Red, [49] in Pantaneira, and [9] in Hanwoo; while the variables Hb and CHC showed values compatible with similar studies in other races and different age groups [50][51][52]. Age did not influence the behavior of the erythrometric variables between the groups, corroborating the results of [40,49,53,54].…”

Section: Discussionsupporting

confidence: 89%

“…Lymphocytes are the dominant cell type in the bovine species, and their count varies with age [68]. The mean values observed for the leukocyte variables are similar to those obtained by [37] in Nellore and Holstein breeds and by [49,69] in the Pantaneira breed, all in the same age group, but with an increase, because it is known that in this age group there is a predominance of lymphocytes [37,49]. Such variation can be credited to the high environmental temperature, which corroborates with [70], who observed that there is higher leukocyte activation in Holstein neonates at different environmental temperatures.…”

Section: Discussionsupporting

confidence: 85%

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Hematological Normality, Serum Biochemistry, and Acute Phase Proteins in Healthy Beef Calves in the Brazilian Savannah

Motta,

Neto,

Nociti

et al. 2023

Animals

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The Brazilian savannah region, characterized by high average temperatures, well-defined rainy and dry seasons, soil with low productive potential, and high pressure for parasitic diseases, is home to the highest percentage of the beef herd, which is the world’s largest commercial beef producer. Therefore, breeds that present rusticity combined with productivity are the focus of research in cattle breeding in the region. Considering their geographic particularities and their effects on the animals’ blood parameters, the objective was to study the behavior of hematological variables, serum biochemistry, and acute phase proteins in beef calves at weaning age. Jugular blood samples were collected in a single day from 30 weaning calves (about eight months old and 200 kg of body weight) from the following breeds: Nellore, Senepol, Nellore × Aberdeen Angus cross, Nellore × Senepol cross, and Nellore × Aberdeen Angus × Senepol cross. Hematological data were obtained using an automatic cell counter, serum biochemical measurements were obtained using commercial kits, and the electrophoretogram was obtained using the SDS-page technique. In general, the results were consistent with data already published in similar situations regarding health status, age, and level of metabolic activity. However, differences observed between groups can be explained by differences observed in other concurrent variables like temperament. The pure zebu breed was more reactive than pure taurine. While crossbreds showed intermediate values, and parasitic infestation, the pure taurine breed with higher parasite infestation, while the zebu breed had lower values, which produced effects in some laboratory tests, and generated differences between breeds. In conclusion, the reference intervals available for healthy animals can be routinely used without interference from the geographic region for animals produced without nutritional failures as long as changes are recorded in pathological, infectious, metabolic, or nutritional deficiency situations. However, it is suggested that a study covering a larger number of herds may demonstrate a greater geographic effect on the studied variables.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionsupporting

confidence: 85%

Hematological Normality, Serum Biochemistry, and Acute Phase Proteins in Healthy Beef Calves in the Brazilian Savannah

Motta,

Neto,

Nociti

et al. 2023

Animals

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“…The level of GGT and ALP decline in adult sheep, which were consistent with the findings of Borges et al (2011), andSanto Da Cruz et al (2017), who revealed higher level in younger compared to adult sheep; however, in the study of Daramola et al (2005), ALP lev- Mean values within the same row with different superscripts differ at P<0.05.…”

Section: Age and Liver Parameterssupporting

confidence: 88%

Exploratory Study on the Relationship Between Age, Reproductive Stage, Body Condition Score, and Liver Biochemical Profiles in Rembi Breed Ewes

Hamza,

Bourabah

2024

IJVM

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Background: The Rembi sheep breed is renowned for its exceptional meat quality and significant economic profit. Nevertheless, there is a gap in research on the hepatic parameters of this breed in Algeria despite the considerable value of the liver in the Algerian population’s diet. Objectives: The research aimed to determine the impact of physiological factors (age, physiological stage, and body condition score) on biochemical sheep liver parameters. Methods: Sixty clinically healthy female Rembi breed sheep, aged between 3 months and 7 years, raised at the Technical Institute of Livestock (ITELV) Ksar Chellala Farm in Tiaret Province, Algeria, were selected for biochemical analysis and assessing aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyl transferase (GGT), alkaline phosphatase (ALP), total bilirubin (TBIL), direct bilirubin (DBIL), albumin (ALB), and total protein (TP). Results: The concentrations of AST, ALP, and GGT increased significantly (P≤0.001) in young sheep, while ALT and TP levels decreased (P≤0.05). However, a high level of GGT (P<0.001) was also observed in lactating ewes, and during pregnancy, females have a low level of ALP (P<0.001). Furthermore, the body condition score does not affect any of the measurements. Conclusion: Considering the animal’s age and physiological stage is critical before interpreting the results.

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Conformation des bovins de race Nélore (Bos indicus) au ranch Kila-département de la Cuvette en République du Congo

Silvère¹,

Jonas²,

Akouango³

2020

J.Anim.Plant Sci.

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L’objectif de l’étude a été d’apprécier la conformation et certaines mensurations de la race bovine Nélore dans le but de maitriser leurs aptitudes à la reproduction. Les animaux avaient trois (3) ans d’âge. Les mensurations et la conformation ont concernées 89 génisses et 28 taurillons en stade de reproduction, sur un troupeau de 2587 têtes. Les mensurations corporelles concernées ont été évaluées par la méthode traditionnelle à la toise et au mètre ruban. Le poids vif moyen des mâles a été de 418,97 kg ± 25,84 kg et celui des femelles de 333,67 ± 33,12 kg. La robe régulière est blanche, uniforme avec des membres sombres aux extrémités chez les mâles. La conformation indique de bonnes aptitudes bouchères et les mâles sont de grande taille. La hauteur au garrot a été de 1,54 ± 0,01 m et 1,48 ± 0,03 m pour les mâles et les femelles respectivement. La longueur scapulo-ischiale a indiqué 1,89 ± 0,03 m et 1,81 ±0,02 pour les mâles et femelles respectivement. Le périmètre thoracique de 1,82 ± 0.03 m et 1,72 ± 0,03 m respectivement pour les mâles et femelles. La liaison corrélative du poids vif a été plus marquée avec la hauteur au garrot (r= 0,926) qu’avec le périmètre thoracique (r= 0,81) et la longueur scapulo-ischiale (r= 0,730). Il est donc important que les éleveurs procèdent à l’étude des mensurations et de conformation des Nelores pour bien apprécier leurs aptitudes futures de reproductions dans une ferme. ABSTRACT The objective of the study was to highlight the morphometric characteristics and conformation of the Nélore bovine breed in order to control their breeding. The animals were all about three (3) years old. The measurements and conformation involved 89 heifers and 28 breeding bulls from a herd of 2,587 heads. The body measurements concerned were evaluated by the traditional method of the measuring board and measuring tape. The average live weight of males was 418.97 kg ± 25.84 kg and that of females 333.67 ± 33.12 kg. The Common coat colour is uniform white, with dark extremities in the males. The conformation indicates good beefing abilities and the males are large. The height at the withers was 1.54 ± 0.01 m and 1.48 ± 0.03 m for males and females respectively. The scapuloischial length of 1.89 ± 0.03 m and 1.81 ± 0.02 for males and females respectively and thoracic perimeter of 1.82 ± 0.03 m and 1.72 ± 0.03 m respectively for males and females. The correlation of body weight was more marked with the height at the withers (r = 0.926) than with the thoracic perimeter (r = 0.81) and the scapuloischial length (r = 0.730). It is therefore important that the breeders study the measurements and conformation in order to appreciate the future breeding abilities of the animals on a farm.

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Estudo sobre a migração transuterina e a razão sexual de conceptos em bovinos da raça Nelore (Bos taurus indicus)

Cited by 3 publications

References 36 publications

Hematological Normality, Serum Biochemistry, and Acute Phase Proteins in Healthy Beef Calves in the Brazilian Savannah

Hematological Normality, Serum Biochemistry, and Acute Phase Proteins in Healthy Beef Calves in the Brazilian Savannah

Exploratory Study on the Relationship Between Age, Reproductive Stage, Body Condition Score, and Liver Biochemical Profiles in Rembi Breed Ewes

Conformation des bovins de race Nélore (Bos indicus) au ranch Kila-département de la Cuvette en République du Congo

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