Effect of knife castration on leukocyte cytokine expression and indicators of stress, pain, and inflammation in Korean cattle bull calves

Yoo, S.P.; Beak, Seok-Hyeon; Kang, Hyun Mi; Jung, Dooyoung; Fassah, Dilla Mareistia; Jeong, Inhyuk; Park, Seung Ju; Haque, Md. Najmul; Kim, Myunghoo; Baik, Myunggi

doi:10.5713/ab.22.0368

Cited by 2 publications

(1 citation statement)

References 31 publications

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“…The Wako NEFA-HR2 kit (Wako Chemicals, Richmond, VA, USA) was applied for the serum NEFA analysis. The analytical methods used were validated in previous reports from our laboratory [ 19 , 20 ].…”

Section: Methodsmentioning

confidence: 99%

Administration of chromium picolinate and meloxicam alleviates regrouping stress in dairy heifers

Jung,

Lee,

Kim

et al. 2024

Anim Biosci

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Objective: This research was performed to investigate effect of administering chromium (Cr) and meloxicam (MEL) on growth performance, cortisol and blood metabolite, and behaviors in young regrouped heifers.Methods: Fifty Holstein dairy heifers (body weight (BW) 198 ± 32.7 kg and 6.5 ± 0.82 months of age) were randomly assigned to non-regrouped group or four regrouped groups. Non-regrouped animals were held in the same pen throughout entire experimental period (NL: non-regrouping and administration of lactose monohydrate (LM; placebo). For regrouping groups, two or three heifers maintained in four different pens for 2 weeks were regrouped into a new pen and assigned to one of four groups: regrouping and LM administration (RL); regrouping and Cr administration (RC); regrouping and MEL administration (RM), and regrouping and Cr and MEL administration (RCM).LM (1 mg/kg BW), Cr (0.5 mg Cr picolinate/kg dry matter intake), and MEL (1 mg/kg BW) were orally administered immediately before regrouping. Blood was collected before regrouping (0 h) and at 3, 9, and 24 h and 7 and 14 d thereafter. Behaviors were recorded for 7 consecutive days after regrouping.Results: Average daily gain was lower (P < 0.05) in RL than NL heifers, but was higher (P < 0.05) in RM, RC, and RCM than RL heifers. RL heifers had higher (P < 0.05) cortisol than NL heifers on d 1 after regrouping. The cortisol concentrations in RC, RM, and RCM groups were lower (P A c c e p t e d A r t i c l e 4 < 0.05) than in RL treatment 1 d after regrouping. Displacement behavior was greater (P < 0.05) in RL group than all other groups at 2, 3, and 6 d after regrouping. Conclusion:Regrouping caused temporal stress, reduced growth performance, and increased displacement behavior in heifers. Administering Cr and MEL recovered the retarded growth rate and reduced displacement behavior, thereby alleviating regrouping stress.

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Section: Methodsmentioning

confidence: 99%

Administration of chromium picolinate and meloxicam alleviates regrouping stress in dairy heifers

Jung,

Lee,

Kim

et al. 2024

Anim Biosci

Self Cite

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GnRH-immunocastration: an alternative method for male animal surgical castration

Wang,

Yang,

Zeng

et al. 2023

Front. Vet. Sci.

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Castration of male animals is intended to produce high-enhance quality of animal meat, prevent unpleasant taste, reduce aggressive behavior, and manage overbreeding. Over the years, Tranditional methods of mechanical and surgical castration have been employed over the years, but they fall short of meeting animal welfare requirements due to the associated risk of infection, pain, and stress. Immunocastration, specifically Gonadotropin-releasing hormone (GnRH)-immunocastration, targeting the hypothalamic–pituitary-testis (HPT) axis, has emerged as an animal-friendly alternative to surgical castration, effectively addressing these issues. This review seeks to systematically summarize the principles, development, current applications and challenges of GnRH-immunocastration, offering insights into its role in promoting animal welfare.

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Effect of knife castration on leukocyte cytokine expression and indicators of stress, pain, and inflammation in Korean cattle bull calves

Cited by 2 publications

References 31 publications

Administration of chromium picolinate and meloxicam alleviates regrouping stress in dairy heifers

Administration of chromium picolinate and meloxicam alleviates regrouping stress in dairy heifers

GnRH-immunocastration: an alternative method for male animal surgical castration

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