Abstract
The aim of the study is to evaluate the in vivo antimicrobial effect of some natural products, that include seeds of: Black cumin Fenugreek, Moringa olefera, Clitoria ternatea, Sunflower and Vit E on broiler meat keeping quality. One hundred and five one day old male chicks were used. They were allotted to 7 treatments with 3 replications each in CRD design .The chicks were fed balanced rations supplemented with tested seeds and Vit E. In vivo antimicrobial effects of tested seeds were measured using the serial dilution method on chickens breast samples at fresh, - 4oC and at – 20oC for 30 days. The tested seeds had an in vitro antifungal and antimicrobial effect on Gram + ve and Gram -ve bacteria. The in vivo antimicrobial effects of tested seeds showed no significant at fresh and -20oC storage conditions; however, there was a significant difference among treatments at – 4oC-storage condition. Nevertheless, there was a significant difference among storage conditions. Generally, the results demonstrated that the tested seeds can be used as an in vitro antimicrobial natural source.
Highlights
There are two breeds of ducks commonly found in Nigeria together with their crosses
Data on body weight and linear body measurements (LBMs) namely body height (BH), body length (BL), breast circumference (BC), thigh length (TL), bill length (BiL), wing length (WL) and shank length (SL) were taken from 120 ducks (i. e. 60 Muscovy and 60 Mallard ducks) at 4 and 8 weeks of age were analysed to obtain the phenotypic correlation between Linear body measurements (LBMs) and body weight
Correlation coefficients indicate the strength of a linear relation between traits and provide useful information about the traits involved for the purpose of breeding and improvement plan
Summary
There are two breeds of ducks commonly found in Nigeria together with their crosses These include the Muscovy or Barbary and the Mallard Ducks [1]. Body weight of animals is the significance for the linear body measurement of the animals has been emphasized especially in its use for predicting live weight and relationship with the body morphometric traits [7, 8]. Linear body measurements are useful in live weight determination [10]. The relationships existing among linear body traits provide useful information on performance, productivity and carcass characteristics [11]. It is important to have knowledge of the variation of morphometric traits in ducks genetic resources as such measurements have been discovered to be very useful in comparing body size and by implication, shape of animals. The study was conducted to identify the level of phenotypic correlation that exists between the body weight and linear body measurement of two different breeds of ducks at 4 and 8 weeks
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