Livestock Research for Rural Development 26 (10) 2014 | Guide for preparation of papers | LRRD Newsletter | Citation of this paper |
Local chickens play an important role for smallholders and contribute significantly to food security of households in rural and semi-urban communities. However, the poultry sector is beset with low productivity in Nigeria. The present study aimed at improving the performance of rural chickens in Nasarawa State through cockerel exchange programme. A total of one hundred and eighty (180), 25-week old cockerels were obtained from a reputable farm in the State. Forty eight (48) households from Danka Sarki Extension Village (University’s Extension Model Village) and ten (10) households from COAL Staff quarters were randomly selected. Each participating farmer (household) was given cockerels depending on the number given in return for his/her own cock(s). Pre- and Post-trial information was obtained on flock size, number of chicks, growers, cocks and hens including number of clutch/bird, eggs/clutch, eggs hatched per clutch, mortality and body weights of chicks and growers.
There was no significant difference in the flock size of birds before intervention and after intervention. The mortality rate of chicks/clutch and growers/clutch within the first nine months of study decreased as a result of the introduction of cockerels. Similarly, body weights of chicks and growers of post-intervention birds were higher. The distribution of cockerels (improved exotic birds) to the rural livestock farmers in the study areas appeared to contribute to improved village chicken production.
Key words: households, improvement, village chicken
There has been growing global concern over the worsening problems of poverty, hunger and malnutrition in developing countries. With the adoption of the Millennium Development Goals (MDGs), the international community has agreed to the eradication of extreme poverty and hunger as one of its primary targets (Stroebel et al 2011). Livestock contribute to the livelihoods of an estimated 70% of the world's rural poor, and account for about 20% of the global trade of agricultural products. Livestock is one of the fastest growing agricultural subsectors in developing countries (Van der Zijjp et al 2010; Yakubu et al 2012). It is estimated that meat, milk and eggs provide about 20% of the protein in African diets, and around 70% of the human population of Sub-Saharan Africa (Nigeria inclusive) are primarily or partly dependent on livestock. Indigenous chickens are widely distributed in the rural areas of tropical and sub-tropical countries where they are kept by the majority of the rural poor. Indigenous chickens in Africa are in general hardy, adaptive to rural environments, survive on little or no inputs and adjust to fluctuations in feed availability (Ajayi 2010).
Village chicken production in Nasarawa State is beset with some problems. These include, low productivity, poor feeding, insufficient capital and incidence of pest and diseases (Ajayi et al 2007a and b). In order to address the problem of low productivity of village chickens in Nasarawa State; crossbreeding, an elementary technique can be used. It has its justification in the improvement of farm animal productivity and adaptability under tropical conditions. Ajayi et al (2012) suggested the suitability of exotic chickens for crossbreeding programmes, which when mated with indigenous stocks, will ultimately improve the growth and carcass traits potentials of Nigerian indigenous chickens. The objective of the present study was to improve the performance of rural chickens through cockerel exchange programme without changing the cultural and farming system.
A total of one hundred and eighty (180), 25-week old cockerels were obtained from a reputable farm in Nasarawa State, north central Nigeria. The birds were reared on deep litter at the Livestock Unit of the Teaching and Research Farm, Faculty of Agriculture, Nasarawa State University, Keffi, Shabu-Lafia Campus. They were fed growers’ ration containing 16% CP and 2750kcal ME/kg from the 25th to 27th week of age. Fresh clean water was also supplied ad libitum. Routine management practices were strictly adhered to.
48 households from Danka Sarki Extension Village (Nasarawa State University’s Extension Model Village) and 10 households from College of Agriculture, Lafia (COAL) Staff quarters which is within a distance of 5km from the Extension Model Village were randomly selected.
Prior to the commencement of the on farm trial involving the distribution of cockerels to farmers, they were trained for one day to afford them the opportunity to understand the whole project concept. It also equipped farmers with techniques to follow after the project phase for the sake of sustainability of the project. Training covered various aspects relating to rural poultry management, feed supplementation and disease control.
Each participating farmer (household) was given cockerels from the Faculty Teaching and Research Farm depending on the number given in return for his/her own cock(s) (Figure 1). The cockerels were managed under the traditional free range system where they mated randomly with village hens. All the available local cocks within the study area were mopped before the commencement of the study.
Figure 1. The village Head and some community members of Danka Sarki (part of study area) during the distribution of cockerels to farmers |
For the on-farm trial (free range system), data were obtained on flock size, number of chicks, growers, cocks and hens including number of clutch/bird, eggs/clutch, eggs hatched per clutch, mortality and body weights of chicks and growers. Pre-trial information on village chicken production in the selected study sites was obtained using structured questionnaires and interview schedules.
Data on flock composition were estimated using the mean procedure of SPSS (2010). The independent-samples T Test was used to compare data on pre-trial and post-trial village chicken production in the selected areas.
The average flock size, chick, grower, cock, hen and cock-hen ratio before and after intervention in the study area are shown in Table 1. The parameters were similar before and after the introduction of exotic cockerels. Mean flock size of 28.7 have been recorded for free range village chickens by Aboe et al (2006), 9 and 5.6 chickens per holding reported for Tswana and Jamma chickens, respectively (Aganga et al 2000; Mammo et al 2008), 13.9 by Yakubu (2010), the range of 5 to 20 by Sonaiya and Swan (2004) and 17 in Zimbabwe (Muchadeyi et al 2004).
Table 1: Mean values for flock composition of chickens in Nasarawa State, Nigeria |
||||
Flock structure |
Pre-intervention |
Post-intervention |
SEM |
p |
Flock size |
15.1 |
14.1 |
5.95 |
0.38 |
Chick |
6.07 |
5.66 |
2.45 |
0.36 |
Grower |
2.93 |
2.66 |
1.64 |
0.37 |
Cock |
1.50 |
1.43 |
0.97 |
0.70 |
Hen |
4.59 |
4.34 |
1.77 |
0.46 |
Cock-Hen ratio |
1: 3.06 |
1: 3.04 |
|
|
SEM=Standard error of means Means within the same row are not significantly different (p>0.05) |
The performance characteristics of the birds within the first nine months of study are shown in Table 2. The number of clutches/bird, number of eggs/clutch and number of eggs hatched per clutch were not significantly affected. However, chick and grower’s mortality was lower in Post-intervention birds. The performance values obtained in this study are similar to those reported earlier by Yakubu (2010). Since the mortality rate was lower in chicks and growers during post-intervention, it implies that more birds will reach the adult stage. This will lead to the availability of more birds for procreation with probable increase in number of offspring and birds that will be taken for sale and consumption.
Table 2: Mean values for performance indices of chickens in Nasarawa State, Nigeria |
||||
Parameters |
Pre-intervention |
Post-intervention |
SEM |
p |
No of clutches/bird |
3.21 |
3.26 |
0.48 |
0.57 |
No of eggs/clutch |
10.6 |
10.7 |
1.52 |
0.72 |
No of eggs hatched/clutch |
8.26 |
8.36 |
1.57 |
0.72 |
No of Chick mortality/clutch |
1.91 |
1.34 |
1.50 |
0.04 |
No of Grower’s mortality/clutch |
1.53 |
0.93 |
1.24 |
0.01 |
SEM=Standard error of means Means in the same row for each parameter are significantly different at p<0.05 |
The body weights (g) of birds within the first nine months of study are shown in Table 3. The body weight of chicks and growers were higher in post-intervention birds compared to their pre-intervention counterparts. The superior body weight advantage is an indication that the birds will reach sexual maturity earlier and may attract better price when taken to the market. The better performance of birds crossed with cockerels could be attributed to heterosis, which tend to confer great advantage on the progeny as a result of the combination of the good productive ability of the exotic cockerel and the adaptive capability of the Nigerian indigenous chickens. According to Rajkumar et al (2011), heterosis is almost exclusively the aggregate of all single locus dominance effects, and because these are usually positive or beneficial, heterosis can be expected to be usually in the favourable direction. Various crossbreeding programmes between local chickens and improved (exotic) chickens had been initiated in an attempt to combine desirable features from these two diverse genetic groups (that is high productivity from exotic genotypes and high adaptability from local chicken genotypes) (Katule 1990; Rajkumar et al 2011). Similarly, Ngunjiri (1995) reported that a rural poultry improvement programme, which included a cockerel exchange component, resulted in progressive improvements over the years.
Table 3: Body weight (g) of chickens in Nasarawa State, Nigeria |
||||
Category |
Pre-intervention |
Post-intervention |
SEM |
p |
Chick |
132 |
138 |
12.8 |
0.014 |
Grower |
725 |
768 |
97.6 |
0.008 |
SEM=Standard error of means Means in the same row for each parameter are significantly different at p<0.05 |
The distribution of cockerels (improved exotic birds) to the rural livestock farmers in the study areas appeared to contribute to improved village chicken production with higher body weight and reduced number of chick and growers’ mortality.
It is recommended based on the scope of this study (preliminary) that the State government and other policy makers should endeavour to encourage farmers to adopt the cockerel exchange programme.
However, efforts should be made to conserve in specialized breeding centres the local stock for future use because of the possession of some adaptability traits.
This study was funded from the Nigerian government Tertiary Education Trust Fund (TETFUND) research grant (TETFUND/ESSD/AIBRA/RA/S510/B) awarded to the Department of Animal Science, Faculty of Agriculture, Nasarawa State University, Keffi, Shabu-Lafia Campus in 2012; and is gratefully acknowledged. Special thanks to all the Staff of the Faculty and farmers that were involved in the project.
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Received 18 July 2014; Accepted 12 September 2014; Published 3 October 2014