Influence of partial replacement of fish meal and fish oil with vegetable products on the growth and muscle cellularity of juvenile shi drum, Umbrina cirrosa

IF 0.5 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Ciencias Marinas Pub Date : 2020-06-26 DOI:10.7773/cm.v46i2.30911

María Dolores Ayala Florenciano, D. Erades, S. Villafranca, M. Arizcun

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引用次数: 1

Abstract

Seven-month-old shi drum (Umbrina cirrosa) specimens (mean weight 18.98 g, mean length 11.80 cm) were classified into 2 groups, a control group (C) fed a standard diet and a vegetal group (V) fed a diet with partial replacement of fish meal and fish oil by vegetable products. The body and muscle parameters were studied on days 0, 27, and 62 of the experiment. On day 27, body length was similar in both groups, but body weight was significantly lower in group V than in group C. The transverse area of the white muscle was also significantly lower in V than in C. Hypertrophy was higher in C than in V, whereas hyperplasia was higher in V than in C. On day 62, the body parameters showed similar results to those found on day 27. Muscle cellularity was different from that found on day 27, since hypertrophy was higher in V than in C and hyperplasia was higher in C than in V. The feed conversion rate and specific growth rate were similar in both groups, but the daily intake rate was lower in V than in C. Therefore, it seems that the percentage of vegetables in the vegetal feed was excessively high and this caused less acceptance by the fish. The hepatosomatic, viscerosomatic, and intestinal length indices were similar in both groups. Survival was nearly 100% in both groups.

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用蔬菜制品部分替代鱼粉和鱼油对卷伞幼鱼石鼓生长和肌肉细胞的影响

将7月龄石头鱼(Umbrina cirrosa)标本(平均重18.98 g，平均长11.80 cm)分为2组，对照组(C组)饲喂标准日粮，植物组(V组)饲喂以蔬菜制品部分替代鱼粉和鱼油的日粮。在实验的第0、27、62天分别对身体和肌肉参数进行了研究。第27天，两组体长相近，但V组体重显著低于C组。白肌横断面面积也显著低于C组。C组肥厚高于V组，V组增生高于C组。第62天，体参数与第27天相似。肌肉细胞数量与第27天不同，因为V组的肥大程度高于C组，C组的增生程度高于V组。两组的饲料转化率和特定生长率相似，但V组的日采食量低于C组。因此，植物饲料中蔬菜的比例过高，导致鱼的接受度较低。两组的肝体、内脏和肠道长度指标相似。两组患者的生存率均接近100%。

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来源期刊

Ciencias Marinas 生物-海洋与淡水生物学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： A bilingual open-access publication, Ciencias Marinas (CM) is an international peer-reviewed journal that contains original research findings in all areas of marine science. It is published quarterly by the Autonomous University of Baja California, Mexico, and all its contents are publicly available on our journal website. Though a limited number of copies are still printed, the journal is mainly distributed in its electronic format. CM was conceived in 1973 as part of an academic project aimed to entice local researchers to publicly disclose their findings by adopting the culture of peer-review publishing. This academic project evolved into an international journal after accepting papers from researchers in the United States and, eventually, other parts of the world. Because of the diversity in authorship, CM issues were initially published in either Spanish or English, and occasionally in both languages. It was not until 1984 when CM included both language versions of all its contents, and it then became the fully bilingual journal it still is today. At CM we believe our inclusive format allows us not only to address a wider range of submissions from international authors but also to make published findings available to a wider international audience. So whether you are looking for information on the redfish in Icelandic waters or the physical and biological properties of the Gulf of California, feel free to peruse CM contents. You may find them to provide source material for your research.