Performance,meat characteristics and economic viability of rabbits fed diets containing banana peel     

Falcone  Diuly Bortoluzzi  Klinger  Ana Carolina Kohlrausch  de Toledo  Geni Salete Pinto  da Silva  Leila Picolli 《Tropical animal health and production》2020,52(2):681-685

Tropical Animal Health and Production - In developing countries, agricultural areas are used to grow ingredients for rabbits’ nutrition instead of food for the human population. In this...  相似文献   

Prospective,controlled, blinded,randomized crossover trial evaluating the effect of maropitant versus ondansetron on inhibiting tranexamic acid‐evoked emesis     

Marta E. Kantyka  Carolina Meira  Regula Bettschart‐Wolfensberger  Sonja Hartnack  Annette P.N. Kutter 《Journal of Veterinary Emergency and Critical Care》2020,30(4):436-441

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Volatile Organic Compounds Profile Obtained from Processing Steps of Pacific Oysters (Crassostrea gigas) as Perspective for Food Industry     

Lenilton Santos Soares  Ana Carolina Flôr Vieira  Fernanda Fidler  Leandro Guarezi Nandi  Alcilene Rodrigues Monteiro 《Journal Of Aquatic Food Product Technology》2020,29(2):194-206

ABSTRACT

In the heat treatment of oysters, many aroma compounds are lost in the cooking steam and water. In this study, aroma compound profiles from oyster processing were identified by gas chromatography- mass spectrometry (GC-MS). The compounds were extracted by headspace-solid phase microextraction (HS-SPME), while the best process conditions such as temperature, extraction time, and desorption time were studied. The aroma compounds were obtained from raw oysters, from oysters after thermal treatment, from water released from raw oysters, from cooking steam, and from oyster boiling juice. All compounds were identified and semi-quantified by GC-MS. The major oyster aroma compounds were 1-octen-3-ol, hexanal, and benzaldehyde. Most of the components from oysters were lost both to the cooking steam and to the oyster boiling juice. The concentration range of volatile organic compounds transferred for oyster boiling juice between 14 and 90 mg L^?1 shows that the residues from oyster processing have great technological potential, and they can be recovered for application as aromas by the food industry.  相似文献   

The effect of dietary protein level on pond water quality and feed utilization efficiency of pacúPiaractus mesopotamicus (Holmberg, 1887)     

José A Bechara  Juan Pablo Roux  Federico J Ruiz Díaz  Carolina I Flores Quintana  & Cecilia A Longoni de Meabe 《Aquaculture Research》2005,36(6):546-553

The effect of supplemental feeds with different levels of crude protein on pond water quality and food utilization efficiency by pacú (Piaractus mesopotamicus) was evaluated in a semi‐intensive culture system. Fish were stocked at a density of one individual per m², raised for 299 days, and fed isocaloric diets containing soybean meal, blood and bone meal, and yellow maize. Dietary treatments consisted of diets containing 25%, 35%, and 45% crude protein. Ponds receiving the two highest protein levels showed significantly higher values of alkalinity, conductivity and nitrites. High dietary protein diets resulted in no significant improvements in final weight (336.4±77.2, 308.2±92.6 and 368.4±82.2 g, mean±standard deviation, for 25%, 35% and 45% protein levels respectively). Moreover, fish carcass composition was not significantly different among treatments. Instead, significant augmentations in feed conversion ratio (1.36, 1.54 and 1.73 respectively) and reductions in protein retention (35.7%, 33.5% and 29.0% respectively) occurred as protein levels increased. Results indicate that at the lowest protein level, pacú growth rates and carcass composition were similar to the other experimental treatments, with a significant improvement in pond water quality and feed utilization efficiency.  相似文献   

Light intensity preference of juvenile pikeperch Sander lucioperca (L.)     

Ana Carolina Luchiari  Fulvio Aurélio de Morais Freire  Juha Koskela  & Juhani Pirhonen 《Aquaculture Research》2006,37(15):1572-1577

Light intensity preference of the pikeperch was tested in 1‐m² tanks divided into four lateral compartments with a hole in the middle to allow the fish to move between compartments. Two experiments were carried out with both 0+ and 1+ pikeperch: one testing intensities from 25 to 300 lx and the other from 1 to 50 lx. Light preference was observed individually for 5 days at 8, 11, 14 and 17 h. On the first and fifth day, the preference was tested without differences in light intensity (control). In both experiments, both age groups showed preference for the lowest available light intensity. Preference for low light intensity in pikeperch may be related to innate activity and feeding behaviour and to avoidance of harmful effects of light. It is suggested that under aquaculture operations, pikeperch should be reared under very dim conditions.  相似文献   

Dolphin population specialized in foraging with artisanal fishers requires zero-bycatch management to persist     

Carolina Bezamat  Philip S. Hammond  Pedro V. Castilho  Paulo C. Simões-Lopes  Fábio G. Daura-Jorge 《水产资源保护:海洋与淡水生态系统》2021,31(11):3133-3145

1. The small population paradigm assumes that populations with low numbers of individuals intrinsically have a high probability of extinction. The small population of Lahille’s bottlenose dolphins Tursiops truncatus gephyreus that specializes in foraging with artisanal fishers in Laguna, southern Brazil, faces human pressures including bycatch in fishing gear. The viability of this population was modelled over 30 and 100 years under different levels of bycatch, including the current scenario of two bycatches every year, two scenarios with higher incidence of bycatches and three management scenarios. The sensitivity of predicted growth rates to fixed-proportion and observed-variation changes in life history parameters was explored.
2. The current scenario predicted a declining population (r = −0.014; λ = 0.986) with a high probability of extinction in the long term (PE = 0.71). A small increase in bycatches would result in a marked increase in the probability of extinction. Management scenarios seem promising, but only the zero-bycatch management scenario would make the difference between a declining and an increasing population.
3. As expected for slow-growing species, population growth rate was most sensitive to proportional changes in adult female and juvenile survival. However, considering observed variation in vital rates, population dynamics were most influenced by variation in reproductive rates.
4. To determine the highest priority for management action, another simulation was made of how additional threat scenarios of recognized human activities (i.e. bycatch influencing adult survival and increased underwater noise or pollution influencing calf survival) would affect population dynamics. Population growth rate was very sensitive to changes in adult bycatch (especially females), as expected, and only subtly sensitive to a reduction in calf survival.
5. The current level of bycatch is unsustainable. Bycatch needs to be eliminated to maximize the probability of long-term persistence of this dolphin population. However, this population’s persistence could be threatened by natural variation in reproductive rates.

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This ped is my ped: Visual separation and near infrared spectra allow determination of the origins of soil macroaggregates     

Elena Velasquez  Céline Pelosi  Michel Grimaldi  Ana Carolina Rendeiro  Patrick Lavelle 《Pedobiologia》2007,51(1):75-87

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Dietary habits and inadequate control of blood pressure in hypertensive adults assisted by a Brazilian Family Doctor Program     

da Silva Nalin de Souza B  Garcia Rosa ML  Lugon JR  Yokoo EM  Mesquita ET  Rodrigues M  da Silva Ramos C  Cagy M 《Public health nutrition》2011,14(12):2176-2184

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Lack of evidence for claims of farmers in south-eastern Germany regarding adverse reactions ascribed to BTV-8 vaccines     

Probst C  Gethmann JM  Höreth-Böntgen D  Cussler K  Conraths FJ 《Berliner und Münchener tier?rztliche Wochenschrift》2011,124(7-8):282-287

Farmers in south-eastern Germany who claimed adverse reactions due to the application of BTV-8 vaccines during the compulsory vaccination programme in 2008/2009 were invited to participate in an epidemiological study to prove whether there was evidence for a plausible relationship between the immunizations and the reported symptoms. Ten farms were available for on-site visits; all other farmers (N = 120) who had registered to participate in the study were asked to complete a questionnaire and to provide evidence for the claimed adverse reactions. 25 questionnaires were returned. Although a wide range of symptoms were reported, in most cases the documentation of clinical signs, pathological alterations and fatalities was not sufficient to conclude on a causal relationship. Similarly, most of the suspected adverse events evaluated as pharmacovigilance reports had to be categorized as "unclassified due to insufficient information".  相似文献   

Expression of interferon gamma in the brain of cats with natural Borna disease virus infection     

Wensman JJ  Ilbäck C  Hjertström E  Blomström AL  Gustavsson MH  Jäderlund KH  Ström-Holst B  Belák S  Berg AL  Berg M 《Veterinary immunology and immunopathology》2011,141(1-2):162-167

Borna disease virus (BDV) is a neurotropic, negative-stranded RNA virus, which causes a non-suppurative meningoencephalomyelitis in a wide range of animals. In cats, BDV infection leads to staggering disease. In spite of a vigorous immune response the virus persists in the central nervous system (CNS) in both experimentally and naturally infected animals. Since the CNS is vulnerable to cytotoxic effects mediated via NK-cells and cytotoxic T-cells, other non-cytolytic mechanisms such as the interferon (IFN) system is favourable for viral clearance. In this study, IFN-γ expression in the brain of cats with clinical signs of staggering disease (N=12) was compared to the expression in cats with no signs of this disease (N=7) by quantitative RT-PCR. The IFN-γ expression was normalised against the expression of three reference genes (HPRT, RPS7, YWHAZ). Cats with staggering disease had significantly higher expression of IFN-γ compared to the control cats (p-value ≤ 0.001). There was no significant difference of the IFN-γ expression in BDV-positive (N=7) and -negative (N=5) cats having clinical signs of staggering disease. However, as BDV-RNA still could be detected, despite an intense IFN-γ expression, BDV needs to have mechanisms to evade this antiviral immune response of the host, to be able to persist.  相似文献