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Alba DF, Leal K, Cunha MH, da Rosa G, Marcon H, Souza CF, Baldissera MD, Zotti CA, Kavalek RL, Kempka AP, Vedovatto M, Da Silva AS. Positive effects of biocholine powder dietary supplementation on milk production and quality, and antioxidant responses in lactating ewes: A new nutritional tool. Heliyon 2021; 7:e06732. [PMID: 33912712 PMCID: PMC8065297 DOI: 10.1016/j.heliyon.2021.e06732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/24/2020] [Accepted: 04/01/2021] [Indexed: 11/18/2022] Open
Abstract
We determined whether the dietary supplementation with a commercial product (vegetable biocholine - VB) for Lacaune ewes at peak lactation would improve animal health and production as well as milk quality. We also determined the effects of VB as a feed additive. We used thirty Lacaune ewes at 30 days of lactation, allocated into three groups: T0 (control, without VB), T5 (5 g of VB/animal/day) and T10 (10 g of VB/animal/day). T10 sheep had greater milk yield during the experimental period. T10 ewes had also a significantly lower feed conversion ratio than the other groups. Total solids concentration of milk was higher in T10 than in the other groups on day 20. The somatic cell count in milk was lower in ewes that consumed VB in the highest dose (T10) than in the T0 and T5 in days 15 and 20. Lower levels of lipoperoxidation (LPO) and of reactive oxygen species (ROS) were observed in milk from ewes fed with the VB supplemented diet on day 20, associated with increased levels of total antioxidant capacity and superoxide dismutase activity in milk. In serum, we found that T5 and T10 animals had significantly higher levels of non-enzymatic antioxidants (non-protein thiols) associated with reduced LPO and ROS content. Higher levels of globulins were observed in T10 than in T0 sheep on day 20. These data suggest that VB dietary supplementation stimulates antioxidant responses and increases the concentration of globulins in a manner beneficial to sheep health. Milk production, feed conversion rate, and milk SCC were also improved.
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Affiliation(s)
- Davi F. Alba
- Graduate Program in Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, Brazil
| | - Karoline Leal
- Graduate Program in Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, Brazil
| | - Marily H. Cunha
- Graduate Program in Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, Brazil
| | - Gilneia da Rosa
- Graduate Program in Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, Brazil
| | - Hiam Marcon
- Graduate in Animal Science, UDESC, Chapecó, Brazil
| | - Carine F. Souza
- Graduate Program in Toxicological Biochemistry, Universidade Federal de Santa Maria (UFSM), Santa Maria, Brazil
| | | | | | | | | | - Marcelo Vedovatto
- Graduate Program in Animal Science, Universidade Estadual de Mato Grosso do Sul, Aquidauana, Brazil
| | - Aleksandro S. Da Silva
- Graduate Program in Animal Science, Universidade do Estado de Santa Catarina (UDESC), Chapecó, Brazil
- Department of Animal Science, UDESC, Chapecó, Brazil
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Abstract
O estudo apresenta uma revisão da literatura sobre o paradigma hermenêutico como fundamentação das pesquisas etnográficas e fenomenológicas.
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Affiliation(s)
- M C de Jesus
- Faculdade de Enfermagem, Universidade Federal de Juiz de Fora
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Abstract
This descriptive study had as main purpose to identify therapeutic communication strategies used by Nursing students from the Nursing School of UFMG and the Nursing School of UFJF, during their practice. The method used for data collection consisted of observation on the interaction between students and inpatients and of interviews with the students. The results showed that although 90% of the students said they learned about communication, they had difficulties to practice in the field what they learned as theoretical knowledge.
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Affiliation(s)
- M C de Jesus
- Departamento de Enfermagem Básica da Faculdade de Enfermagem da Universidade Federal de Juiz de Fora
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