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Comparison of blood profiles between housed and grazing Korean indigenous cattle (Hanwoo)
The objective of this study was to compare the hematology profiles of Korean indigenous cattle (Hanwoo) raised in a barn (housed) or on pasture (grazing). Our findings showed significant differences in the red blood cell (RBC) profiles of these 2 groups. When compared to cattle raised in a barn, a significant decrease in hematocrit (P = 0.000), hemoglobin (P = 0.000), and red blood cells (RBCs) (P = 0.000) and a significant increase in mean cell volume (P = 0.015) and reticulocytes (P = 0.000) were observed in grazing cattle, which indicate regenerative anemia. Furthermore, indirect bilirubin was significantly higher in gr...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Youngjun Kim Ji-Yeong Ku Kwang-Man Park Jonghun Baek Kyoung-Seong Choi Jinho Park Source Type: research

Production of a new tetravalent vaccine targeting fimbriae and enterotoxin of enterotoxigenic < em > Escherichia coli < /em >
The objective of this study was to prepare a novel tetravalent vaccine to effectively prevent piglet diarrhea caused by E. coli. In order to realize the production of K88ac-K99-ST1-LTB tetravalent inactivated vaccine, the biological characteristics, stability, preservation conditions, and safety of the recombinant strain BL21(DE3) (pXKKSL4) were studied, and the vaccine efficacy and minimum immune dose were measured. The results indicated that the biological characteristics, target protein expression, and immunogenicity of the 1st to 10th generations of the strain were stable. Therefore, the basic seed generation was preli...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: ChongLi Xu Yuhan She Fengyang Fu ChongBo Xu Source Type: research

Comparison of estimations of urinary bladder volume in different scanning positions using 2D linear dimension formula and 3D bladder circumference tracing in client-owned cats
Can J Vet Res. 2024 Apr;88(2):55-65.ABSTRACTUrinary bladder volume (UBV) can be estimated using point-of-care ultrasound. The purpose of this study was to compare 2 UBV estimation methods, i.e., three-dimensional (3D) bladder circumference tracing and 2-dimensional (2D) linear bladder dimension formula, against actual bladder volumes in awake client-owned cats and identify the best scanning position for UBV estimations. Up to 3 paired sets of orthogonal longitudinal and transverse bladder ultrasound images were acquired by a trained clinician from 21 cats positioned in dorsal, right lateral, and left lateral recumbency. UB...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Sabrina Ayoub Xiu Ting Yiew Gabrielle Monteith Allan R Willms Source Type: research

Prevalence of pathogens in honey bee colonies and association with clinical signs in southwestern Quebec, Canada
Can J Vet Res. 2024 Apr;88(2):45-54.ABSTRACTHoney bees can be affected by a variety of pathogens, which impacts their vital role as pollinators in agriculture. A cross-sectional study was conducted in southwestern Quebec to: i) estimate the prevalence of 11 bee pathogens; ii) assess the agreement between beekeeper suspicion of a disease and laboratory detection of the causative pathogen; and iii) explore the association between observed clinical signs and pathogen detection in a colony. A total of 242 colonies in 31 apiaries owned by 15 beekeepers was sampled in August 2017. The prevalence of Varroa destructor detection wa...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Gabrielle Claing Pascal Dubreuil Martine Bernier Julie Ferland Yvan L'Homme Edisleidy Rodriguez Julie Arsenault Source Type: research

Comparison of blood profiles between housed and grazing Korean indigenous cattle (Hanwoo)
The objective of this study was to compare the hematology profiles of Korean indigenous cattle (Hanwoo) raised in a barn (housed) or on pasture (grazing). Our findings showed significant differences in the red blood cell (RBC) profiles of these 2 groups. When compared to cattle raised in a barn, a significant decrease in hematocrit (P = 0.000), hemoglobin (P = 0.000), and red blood cells (RBCs) (P = 0.000) and a significant increase in mean cell volume (P = 0.015) and reticulocytes (P = 0.000) were observed in grazing cattle, which indicate regenerative anemia. Furthermore, indirect bilirubin was significantly higher in gr...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Youngjun Kim Ji-Yeong Ku Kwang-Man Park Jonghun Baek Kyoung-Seong Choi Jinho Park Source Type: research

Production of a new tetravalent vaccine targeting fimbriae and enterotoxin of enterotoxigenic < em > Escherichia coli < /em >
The objective of this study was to prepare a novel tetravalent vaccine to effectively prevent piglet diarrhea caused by E. coli. In order to realize the production of K88ac-K99-ST1-LTB tetravalent inactivated vaccine, the biological characteristics, stability, preservation conditions, and safety of the recombinant strain BL21(DE3) (pXKKSL4) were studied, and the vaccine efficacy and minimum immune dose were measured. The results indicated that the biological characteristics, target protein expression, and immunogenicity of the 1st to 10th generations of the strain were stable. Therefore, the basic seed generation was preli...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: ChongLi Xu Yuhan She Fengyang Fu ChongBo Xu Source Type: research

Comparison of estimations of urinary bladder volume in different scanning positions using 2D linear dimension formula and 3D bladder circumference tracing in client-owned cats
Can J Vet Res. 2024 Apr;88(2):55-65.ABSTRACTUrinary bladder volume (UBV) can be estimated using point-of-care ultrasound. The purpose of this study was to compare 2 UBV estimation methods, i.e., three-dimensional (3D) bladder circumference tracing and 2-dimensional (2D) linear bladder dimension formula, against actual bladder volumes in awake client-owned cats and identify the best scanning position for UBV estimations. Up to 3 paired sets of orthogonal longitudinal and transverse bladder ultrasound images were acquired by a trained clinician from 21 cats positioned in dorsal, right lateral, and left lateral recumbency. UB...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Sabrina Ayoub Xiu Ting Yiew Gabrielle Monteith Allan R Willms Source Type: research

Prevalence of pathogens in honey bee colonies and association with clinical signs in southwestern Quebec, Canada
Can J Vet Res. 2024 Apr;88(2):45-54.ABSTRACTHoney bees can be affected by a variety of pathogens, which impacts their vital role as pollinators in agriculture. A cross-sectional study was conducted in southwestern Quebec to: i) estimate the prevalence of 11 bee pathogens; ii) assess the agreement between beekeeper suspicion of a disease and laboratory detection of the causative pathogen; and iii) explore the association between observed clinical signs and pathogen detection in a colony. A total of 242 colonies in 31 apiaries owned by 15 beekeepers was sampled in August 2017. The prevalence of Varroa destructor detection wa...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Gabrielle Claing Pascal Dubreuil Martine Bernier Julie Ferland Yvan L'Homme Edisleidy Rodriguez Julie Arsenault Source Type: research

Comparison of blood profiles between housed and grazing Korean indigenous cattle (Hanwoo)
The objective of this study was to compare the hematology profiles of Korean indigenous cattle (Hanwoo) raised in a barn (housed) or on pasture (grazing). Our findings showed significant differences in the red blood cell (RBC) profiles of these 2 groups. When compared to cattle raised in a barn, a significant decrease in hematocrit (P = 0.000), hemoglobin (P = 0.000), and red blood cells (RBCs) (P = 0.000) and a significant increase in mean cell volume (P = 0.015) and reticulocytes (P = 0.000) were observed in grazing cattle, which indicate regenerative anemia. Furthermore, indirect bilirubin was significantly higher in gr...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Youngjun Kim Ji-Yeong Ku Kwang-Man Park Jonghun Baek Kyoung-Seong Choi Jinho Park Source Type: research

Production of a new tetravalent vaccine targeting fimbriae and enterotoxin of enterotoxigenic < em > Escherichia coli < /em >
The objective of this study was to prepare a novel tetravalent vaccine to effectively prevent piglet diarrhea caused by E. coli. In order to realize the production of K88ac-K99-ST1-LTB tetravalent inactivated vaccine, the biological characteristics, stability, preservation conditions, and safety of the recombinant strain BL21(DE3) (pXKKSL4) were studied, and the vaccine efficacy and minimum immune dose were measured. The results indicated that the biological characteristics, target protein expression, and immunogenicity of the 1st to 10th generations of the strain were stable. Therefore, the basic seed generation was preli...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: ChongLi Xu Yuhan She Fengyang Fu ChongBo Xu Source Type: research

Comparison of estimations of urinary bladder volume in different scanning positions using 2D linear dimension formula and 3D bladder circumference tracing in client-owned cats
Can J Vet Res. 2024 Apr;88(2):55-65.ABSTRACTUrinary bladder volume (UBV) can be estimated using point-of-care ultrasound. The purpose of this study was to compare 2 UBV estimation methods, i.e., three-dimensional (3D) bladder circumference tracing and 2-dimensional (2D) linear bladder dimension formula, against actual bladder volumes in awake client-owned cats and identify the best scanning position for UBV estimations. Up to 3 paired sets of orthogonal longitudinal and transverse bladder ultrasound images were acquired by a trained clinician from 21 cats positioned in dorsal, right lateral, and left lateral recumbency. UB...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Sabrina Ayoub Xiu Ting Yiew Gabrielle Monteith Allan R Willms Source Type: research

Prevalence of pathogens in honey bee colonies and association with clinical signs in southwestern Quebec, Canada
Can J Vet Res. 2024 Apr;88(2):45-54.ABSTRACTHoney bees can be affected by a variety of pathogens, which impacts their vital role as pollinators in agriculture. A cross-sectional study was conducted in southwestern Quebec to: i) estimate the prevalence of 11 bee pathogens; ii) assess the agreement between beekeeper suspicion of a disease and laboratory detection of the causative pathogen; and iii) explore the association between observed clinical signs and pathogen detection in a colony. A total of 242 colonies in 31 apiaries owned by 15 beekeepers was sampled in August 2017. The prevalence of Varroa destructor detection wa...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Gabrielle Claing Pascal Dubreuil Martine Bernier Julie Ferland Yvan L'Homme Edisleidy Rodriguez Julie Arsenault Source Type: research

Comparison of blood profiles between housed and grazing Korean indigenous cattle (Hanwoo)
The objective of this study was to compare the hematology profiles of Korean indigenous cattle (Hanwoo) raised in a barn (housed) or on pasture (grazing). Our findings showed significant differences in the red blood cell (RBC) profiles of these 2 groups. When compared to cattle raised in a barn, a significant decrease in hematocrit (P = 0.000), hemoglobin (P = 0.000), and red blood cells (RBCs) (P = 0.000) and a significant increase in mean cell volume (P = 0.015) and reticulocytes (P = 0.000) were observed in grazing cattle, which indicate regenerative anemia. Furthermore, indirect bilirubin was significantly higher in gr...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Youngjun Kim Ji-Yeong Ku Kwang-Man Park Jonghun Baek Kyoung-Seong Choi Jinho Park Source Type: research

Production of a new tetravalent vaccine targeting fimbriae and enterotoxin of enterotoxigenic < em > Escherichia coli < /em >
The objective of this study was to prepare a novel tetravalent vaccine to effectively prevent piglet diarrhea caused by E. coli. In order to realize the production of K88ac-K99-ST1-LTB tetravalent inactivated vaccine, the biological characteristics, stability, preservation conditions, and safety of the recombinant strain BL21(DE3) (pXKKSL4) were studied, and the vaccine efficacy and minimum immune dose were measured. The results indicated that the biological characteristics, target protein expression, and immunogenicity of the 1st to 10th generations of the strain were stable. Therefore, the basic seed generation was preli...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: ChongLi Xu Yuhan She Fengyang Fu ChongBo Xu Source Type: research

Comparison of estimations of urinary bladder volume in different scanning positions using 2D linear dimension formula and 3D bladder circumference tracing in client-owned cats
Can J Vet Res. 2024 Apr;88(2):55-65.ABSTRACTUrinary bladder volume (UBV) can be estimated using point-of-care ultrasound. The purpose of this study was to compare 2 UBV estimation methods, i.e., three-dimensional (3D) bladder circumference tracing and 2-dimensional (2D) linear bladder dimension formula, against actual bladder volumes in awake client-owned cats and identify the best scanning position for UBV estimations. Up to 3 paired sets of orthogonal longitudinal and transverse bladder ultrasound images were acquired by a trained clinician from 21 cats positioned in dorsal, right lateral, and left lateral recumbency. UB...
Source: Canadian Journal of Veterinary Research - April 10, 2024 Category: Veterinary Research Authors: Sabrina Ayoub Xiu Ting Yiew Gabrielle Monteith Allan R Willms Source Type: research