Research Papers/Topics in Animal Science

Phenotypic Characterization of West African Short Horn (WASH) Cattle and their Crosses in Tolon District

This study aimed at characterizing the WASH cattle and their crosses reared semi-intensively in the Tolon District of Northern Ghana.  The age, colour and twelve (12) different biometric traits were measured on 125 cattle and subjected to Chi- square and principal component factor analysis.  WASH cattle were characterized by five different colour patterns; black, white, brown, fawn and black and white. The paired coloured pattern (black and white) was the most observed among the cattle.  G...

Genetic Diversity of Five Populations of the Nigerian Local Breeds of Goat Using Random Amplified Polymorphic Dna (Rapd) Markers

ABSTRACTS Genetic diversity and genetic distance of five populations of the Nigerian breeds of goat were investigated using random amplified polymorphic DNA markers. Five breeds of goat were used for the study and each breed constituted a population, hence, the five populations considered in the study. The populations were: Sokoto Red (SR), Sahel (SH), Kano Brown (KB), Bornu White (BW) and West African Dwarf (WAD) goats. The experiment was conducted within four geographical zones of Nigeria: ...

Physiological Response of Broiler Birds to Oral Supplementation with Aloe Vera and Neem Leave Extracts

ABSTRACT Two hundred and forty 14-day old broiler birds were used in a study conducted to investigate the physiological response of boiler birds to oral supplementation with aloe vera gel and neem leaf extracts. In experiment one, one hundred and twenty 14- day old broilers were used to assess the physiological response of the broiler birds to oral supplementation with alovera gel extract, while in experiment two, one hundred and twenty 14- day old broilers were used to assess the physiologic...

Performance, Egg Quality Characteristics and Serum Biochemistry of Laying Birds Fed Diet Containing Neem Leaf Meal

ABSTRACT A study was conducted with 300 “Bachelor” Brown laying birds to determine the performance, egg quality characteristics and serum biochemistry of laying birds fed diets containing neem leaf meal. The birds were randomly selected at nineteenth week of age into five treatment groups with three replicates per treatment with each replicate containing twenty birds. The experiment was laid out in a completely randomized design (CRD). Five isocaloric and isonitrogenous diets designated a...

Effects of Difference Timing of Routine Vaccination Schedules on Growth Performance, Mortality Rate and Blood Parameters of Broilers.

ABSTRACT This study was conducted to find the effect of the delayed routine vaccination schedules on growth performance, blood parameters and immunity levels of broilers reared in a humid tropical part of Nigeria. A total of 90 broiler chickens were procured and sorted into three treatments (control, 1 week delay in vaccination and 2 weeks delay in vaccination). The results showed significant differences (P < 0.05) in all growth parameters studied with lower values for broilers with delayed v...

Improvement in Egg Production Traits in the Light Local Chicken Ecotype Using a Selection Index

ABSTRACT Fifty hens and five cocks from a random mating population of light local chicken ecotype (LLCE) were mated and the fertile eggs hatched to obtain the parent generation (G0) used for this study aimed at improving egg production traits in the LLCE using a selection index. The hens were monitored for short-term (90-days from first day of lay) egg production traits namely: Body Weight at First Egg (BWFE), Average Egg Weight (AEW) and Total Egg Number (TEN). Data obtained were subjected t...

Semen Quality and Haematological Characteristics of Exotic and Crossbred Boars Exposed to Different Durations of Thermal Stress in the Humid Tropics

ABSTRACT This study was conducted to investigate the effect of 45 and 60 minutes of exposure of crossbred (LW x Local) and exotic (LW) boars to tropical solar radiation on their body temperature pattern, libido, semen quality and haematological profile. 12 LW x Local and 12 LW boars of 10 months old were used for the experiment. The experiment was carried out in the Piggery Unit of the Department of Animal Science Farm, University of Nigeria, Nsukka for a period of eight weeks (4 weeks for th...

Determination of the True Metabolizable Energy of Some Non-Conventional Agro-Industrial By-Products

ABSTRACT An experiment was conducted to determine the metabolizable energy of maize pap waste (MPW) and rice milling waste (RMW) using adult male broiler birds. Eighteen male adult broiler birds were used in the experiment. Eight birds were assigned to each of the feedstuff with two birds left unfed which served as the negative control. Each of the samples was ground, made into slurry and force-fed to sixteen 10-week old finisher broiler birds that had been starved for 30 hours. The droppings...

Effect of Probiotics (Lactobacillus Acidophillus) in Drinking Water on the Performance and Carcass Yield of Broilers.

ABSTRACT This study was to determine the effect of probiotics (L. acidophilus) on growth performance, carcass yield, and serum cholesterol level of broiler birds. A total of 128 day – old Anak broiler chicks were used for the study. The birds were randomly divided into four treatment groups T1, T2, T3, and T4 which contained 0.0g/ml, 0.4g/ml, 0.6g/ml and 0.8g/ml L. acidophilus respectively. Thirty-two birds were assigned to each treatment group which was replicated four times with 8 birds p...

Influence of Nutrition and Body Condition at First Mating on the Reproductive Performance of Gilts in the Humid Tropics

ABSTRACT Two experiments were conducted at the piggery unit of the Department of Animal Science Farm, University of Nigeria, Nsukka, from July 2007 to March 2009, to determine the effect of nutrition and body condition at first mating on the reproductive performance of gilts. The first experiment evaluated the effects of feeding different combinations of protein and energy diets on age at onset of first observed oestrus, growth rate, backfat reserve and body condition score of the gilts from ...

Effect of Different Dietary Levels of Palm Oil Sludge on the Growth Performance and Carcass Characteristics of Local Turkeys.

Abstract A 56 day experiment was conducted to determine the effect of different dietary levels of palm oil sludge on the growth performance, carcass trait, and economic cost of feeding local turkeys. Forty local poults (mixed sexes) were randomly assigned to five treatment groups with eight poults per treatment. Each treatment was replicated twice with four poults per replicate in a completely randomized design. The poults were fed commercial broiler starter ration containing 24% crude protei...

Performance of Weaner and Grower Pigs Fed Diets Containing Graded Levels of Soybean Hull

ABSTRACT Twenty-four weaner pigs were used in a study to evaluate the response of weaner and grower pigs to diets containing graded levels of toasted soybean hull (SBH).In experiment 1(growing phase), twenty-four male hybrid (large white x landrace) weaner pigs, about 6 weeks old, weighing 5.92-6.85kg were randomly divided into four groups of six pigs each using a completely randomized design (CRD). Each group was randomly assigned to one of the four diets (1, 2, 3 and 4) containing 0% (contr...

Protein and Energy Requirements of African Giant Land Snail (Achatina Achatina)

ABSTRACT A 16-week study was conducted to investigate the effect of dietary protein and energy levels on the growth performance of African giant land snail (Achatina achatina). Two hundred and forty eight weeks old African giant land snails were used for the study. The snails were randomly divided into 16 groups of 15 snails each. The groups were randomly assigned to 16 diets in a 4 x 4 factorial arrangement involving four levels ((18%, 20%, 22%, and 24%) of protein and four energy levels (2....

The Biology and Ecology of Macrchischoides Aculeatus (Hymekqptsra 8 Formic Idas) In Cocoa Farms in (Siana

ABSTRACT The ecology and biology of ijacromigcholdes aculeatus have been studied# The ant vas found to be widely distributed in southern (Sham and its distribution overlapped that of the forest zone. In cocoa farms it occurred sore casaonly and more abundantly in areas vdth dense shade than in &reas of +Mn shade. Light, predators, haaoptera and food availability were found to influence its distribution. It was found to be largely crepusacular and nocturnal. M. aculeatus has bean found to be ...

Feed Intake and Utilization of Sodium Hydroxide-Treated Rice Straw as Affected by Supplements of Cassava Peels and Treated Water Hyacinth

ABSTRACT Several strategies such as chemical treatment and supplementation have been used in an attempt to improve the quality of rice straw as a feed for livestock. Protein and energy supplementation has been shown to improve the nutritive value of straw. Three experiments were conducted on the hypothesis that ensiled water hyacinth, with or without cassava peels, will enhance the utilization of the basal diet of NaOH-treated rice straw and addition of dried cassava peels to ensiled water h...


1 - 15 Of 136 Results