In recognition of this leadership the Academic Council of the University awards the above named the degree of Doctor of the University in Education.
B 65, Minna, Niger State, Nigeria. The chickens used for the experiment were raised under extensive system of management. The objectives of the study were to deduce the components that best describe the relationship between body weight and body measurements and also come up with optimized regression models that could be used in predicting body weight in the chickens.
The highest percent direct contribution in males was observed to be Equally, the highest percent direct contribution in females was observed to be The highest percent combined contribution in males and females was 0. The optimized linear regression model with a coefficient of determination R2 value of 0.
The regression models generated could be used in predicting the body weight of indigenous Nigerian chickens and also for selection purposes.
The exact origin of the Nigerian indigenous chicken breeds is unknown, The assessment of the nigerian forest like all domesticated chickens, their ancestry is most likely, linked to the specie Gallus gallus domesticus.
The indigenous chicken breeds of Africa play a very vital role in the socio-economic life of their keepers, providing them with readily available meat, egg Kitalyi ; Zaman et al and manure. They also provide a source of income to rural and semi-urban resource poor individuals Ssewanyana et al The meat of the indigenous chickens are said to be more palatable than the meat obtained from the exotic broilers breeds Kolawole This might be because of exposure of the birds to natural sources of nourishment composed basically of grasses, insects, worms and the like.
The birds have become well adapted to the different ecology where they are found due largely to natural selection. One drawback of the indigenous chickens is their compact and slow rate of growth. Their growth performance however could be improved through careful selection for body weight and or associated traits such as body weight gain, feed: Growth involves increase in size and changes in functional capabilities of the various tissues and organs of animals Ojedapo et al Growth in farm animals is however very complex and not a straightforward affair.
This is because there are combinations of factors which may favour or disfavour it. One of such factors is the interrelationship between body weight and its associated traits like body dimensions. While this interrelationship has been found useful in predicting body weight in poultry Monsi ; Gueyeit has not been able to point out the actual causal of growth.
There is the need therefore to make use of other methods of evaluating this relationship. One method that easily comes to mind is path coefficient analysis. This is due to its ability to ascertain the direct impact of one variable or factor on another variable or factor, and its capacity to split the correlation coefficient into direct effect path coefficientand indirect effects effects exerted via other independent variables.
Path analysis therefore measures the relative importance of causal factors which provides information leading to effective selection during improvement programmes Gelalcha and Hanchinal The objective of this study is to assess the relationship between body weight and body measurements in indigenous Nigerian chickens using path coefficient analysis.
This will help in determining the nature of character association in male and female indigenous Nigerian chickens. Materials and Methods Experimental animals and their management Seven hundred and fifty indigenous Nigerian chickens of both sexes males and females were randomly selected in certain smallholders farms in villages located within the three administrative zones of Niger State in the north central part of Nigeria Figure 1.
The state has a land area of 80, square kilometres with maximum altitude at its highest point of m above sea level. The state experiences distinct dry and wet seasons with annual rainfall varying from mm in the north to mm in the south.
The dry season lasts for 6 to 7 months October to April in the northern part of the state, and 4 to 5 months November to March in the southern part. The animals were extensively managed. Hence they mostly subsist on available household wastes and crop residues.
Map of Nigeria showing the study area. Traits measured The traits measured include body weight and five linear body measurements.WOA!
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ABUJA- THE Food and Agriculture Organisation, FAO, has commenced process to upscale forest inventory in collaboration with the Federal Government in the 36 States and Federal Capital Territory.
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industrial development of nigeria – the role of the world bank. UNICEF is committed to doing all it can to achieve the Sustainable Development Goals (SDGs), in partnership with governments, civil society, business, academia and the United Nations family – and especially children and young people.