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Fernandes LD, Vasconcelos ABI, Lobo Júnior AR, Rosado GL, Bento CBP. Effects of different additives on cattle feed intake and performance - a systematic review and meta-analysis. AN ACAD BRAS CIENC 2024; 96:e20230172. [PMID: 38896738 DOI: 10.1590/0001-3765202420230172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 10/02/2023] [Indexed: 06/21/2024] Open
Abstract
In the last few years, there has been a growing interest in the use of natural feed additives in animal feed. These can be used as replacements for antibiotics, to alter rumen fermentation and increase feed efficiency in ruminants. Therefore, the objective of this study is to evaluate the effects of adding different feed additives in the diet of beef and dairy cattle on their performance, dry matter intake (DMI) and feed efficiency, through a systematic review followed by meta-analysis. The systematic review suggested 43 peer-reviewed publications, according to the pre-established criteria. In beef cattle, the ionophore antibiotics reduced the DMI, improved the feed efficiency without interfering in the average daily gain (ADG). Non-ionophore antibiotics and propolis extract increased the ADG. In dairy cattle, the ionophores, yeast-based additives, and enzyme additives increased the feed efficiency, DMI, and daily milk production (MY), respectively. Essential oil supplementation in beef and dairy cattle had no effect on the feed intake and animal performance. The systematic review and meta-analysis allowed us to conclude that different feed additives have different effects on cattle performance, however, our results suggest that there are a few gaps regarding their effects on animal performance.
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Affiliation(s)
- Leila D Fernandes
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Zootecnia, Rodovia MG 367, 5000, Alto do Jacuba, 39100-000 Diamantina, MG, Brazil
| | - Alessandra B I Vasconcelos
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Instituto de Ciências Agrárias, Avenida Universitária, 1000, 38610-000 Unaí, MG, Brazil
| | - Adalfredo R Lobo Júnior
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Instituto de Ciências Agrárias, Avenida Universitária, 1000, 38610-000 Unaí, MG, Brazil
| | - Gustavo L Rosado
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Instituto de Ciências Agrárias, Avenida Universitária, 1000, 38610-000 Unaí, MG, Brazil
| | - Cláudia B P Bento
- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Instituto de Ciências Agrárias, Avenida Universitária, 1000, 38610-000 Unaí, MG, Brazil
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Hille MM, Sillman SJ, Brodersen BW. The Role of Histopathology in Ruminant Diagnostics. Vet Clin North Am Food Anim Pract 2023; 39:73-91. [PMID: 36732001 DOI: 10.1016/j.cvfa.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Histopathology remains an important tool for ruminant disease diagnostic investigations. Some ruminant diseases require histopathology to make a definitive diagnosis. Clinical history, proper tissue sampling and handling, and proper fixation all increase the efficiency of a histopathologic examination and the likelihood of an accurate diagnosis. This article discusses some of the main organ systems of ruminants and highlights common ruminant diseases encountered by diagnosticians where histopathology is particularly important. Where applicable, correlative gross lesions, special considerations regarding tissue sampling, and histologic report interpretation are discussed.
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Affiliation(s)
- Matthew M Hille
- Nebraska Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, 4040 East Campus Loop North, 115N NVDC, Lincoln, NE 68583-0907, USA.
| | - Sarah J Sillman
- Nebraska Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, 4040 East Campus Loop North, 115N NVDC, Lincoln, NE 68583-0907, USA
| | - Bruce W Brodersen
- Nebraska Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, 4040 East Campus Loop North, 115N NVDC, Lincoln, NE 68583-0907, USA
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Gao X, Ji C, Wang J, Song X, Zuo R, Zhang J, Chen X, Ji H, Peng L, Guo D, Jiang S. Maduramicin induces cardiotoxicity via Rac1 signaling-independent methuosis in H9c2 cells. J Appl Toxicol 2021; 41:1937-1951. [PMID: 33890316 DOI: 10.1002/jat.4175] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/22/2021] [Accepted: 04/06/2021] [Indexed: 12/23/2022]
Abstract
Maduramicin frequently induces severe cardiotoxicity in target and nontarget animals in clinic. Apoptotic and non-apoptotic cell death mediate its cardiotoxicity; however, the underlying non-apoptotic cell death induced by maduramicin remains unclear. In current study, a recently described non-apoptotic cell death "methuosis" caused by maduramicin was defined in mammalian cells. Rat myocardial cell H9c2 was used as an in vitro model, showing excessively cytoplasmic vacuolization upon maduramicin (0.0625-5 μg/mL) exposure for 24 h. Maduramicin-induced reversible cytoplasmic vacuolization of H9c2 cells in a time- and concentration-dependent manner. The vacuoles induced by maduramicin were phase lucent with single membrane and were not derived from the swelling of organelles such as mitochondria, endoplasmic reticulum, lysosome, and Golgi apparatus. Furthermore, maduramicin-induced cytoplasmic vacuoles are generated from micropinocytosis, which was demonstrated by internalization of extracellular fluid-phase marker Dextran-Alexa Fluor 488 into H9c2 cells. Intriguingly, these cytoplasmic vacuoles acquired some characteristics of late endosomes and lysosomes rather than early endosomes and autophagosomes. Vacuolar H+ -ATPase inhibitor bafilomycin A1 efficiently prevented the generation of cytoplasmic vacuoles and decreased the cytotoxicity of H9c2 cells triggered by maduramicin. Mechanism studying indicated that maduramicin activated H-Ras-Rac1 signaling pathway at both mRNA and protein levels. However, the pharmacological inhibition and siRNA knockdown of Rac1 rescued maduramicin-induced cytotoxicity of H9c2 cells but did not alleviate cytoplasmic vacuolization. Based on these findings, maduramicin induces methuosis in H9c2 cells via Rac-1 signaling-independent seriously cytoplasmic vacuolization.
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Affiliation(s)
- Xiuge Gao
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Chunlei Ji
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Junqi Wang
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xinhao Song
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Runan Zuo
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Jingjing Zhang
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xiaorong Chen
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Hui Ji
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Lin Peng
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Dawei Guo
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Shanxiang Jiang
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Center for Veterinary Drug Research and Evaluation, Laboratory of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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