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Artykuły w czasopismach na temat „Yankasa rams”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Ogedegbe, S. A., A. Ahmed, and J. A. Imasuen. "Growth responses of yearling Yankasa rams to four different hays and concentrate supplementation." Nigerian Journal of Animal Production 40, no. 2 (2020): 151–59. http://dx.doi.org/10.51791/njap.v40i2.1173.

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The objective of the study was to ascertain the feed intake, acceptability of hay and weight gain by yankasa rams fed basal diets of either natural grass hay (NGH) as control, Digitaria exilis hay (DEH), Bracharia decumbens hay (BDH) or Digitaria decumbens hay (DDH) along with equal amounts of concentrate feed as supplement. The 10-week experiment was conducted at the College farm of the National Veterinary Research Institute (NVRI), Vom, Plateau State, Nigeria using Completely Randomized Design. The four hays were allotted randomly to twenty rams housed in separate pens. There were five rams

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Eniolorunda, O. O., E. S. Apata, B. B. Badejo, and A. O. Okubanjo. "Evaluation of the meat quality Yankasa rams fed graded levels of biscuit waste." Nigerian Journal of Animal Production 38, no. 1 (2021): 153–59. http://dx.doi.org/10.51791/njap.v38i1.683.

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Twenty Yankasa rams aged between 10 and 12 months with average weight of 12.15kg were used to evaluate the effect of different levels of biscuit waste and Leucaena leucocephala meal inclusion in diets on the quality of their meat samples. The rams were randomly assigned to five treatment diets of 0%, 25%, 50%, 75% an d100% of combined biscuit waste and Leucaena leucocephala in replacement for combined maize and wheat offals or B0, B1, B2, B3 and B4 diets with four rams per diet for 91 days. Data were collected on physical, chemical and sensory variables of meat samples. The results showed that

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Maikeke, H. M., Abubakar, M. M., and Egbo, M. L. "UTILIZATION OF VARYING PROPORTIONS OF UREA-TREATED MAIZE COBS AND GROUNDNUT HAULMS IN THE DIETS OF GROWING YANKASA RAMS." Nigerian Journal of Agriculture and Agricultural Technology 4, no. 3 (2024): 352–58. http://dx.doi.org/10.59331/njaat.v4i3.809.

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The experiment was carried out to evaluate the growth performance, haematological and serum biochemical parameters of growing Yankasa Rams fed varying proportions of ureatreated maize cobs and groundnut haulms. Sixteen (16) Yankasa Rams were randomly allocated to four (4) treatments with four Rams per treatment in a completely randomized design (CRD) for a period of ten weeks (70days). Four experimental diet were formulated with varying proportions of urea-treated maize cobs (UTMC) and groundnut haulms (GH) at the ratio of MC10:40GH, MC20:30GH, MC30:GH10 and MC30:20GH respectively. The result

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Yerima, J., M. Abubakar, D. J. U. Kalla, A. Mijinyawa, and A. Yusuf. "Evaluation of multi-nutrient block supplementation on nutrient intake and growth performance of Yankasa rams fed based diet of cowpea shell and maize offal." Nigerian Journal of Animal Production 47, no. 3 (2020): 291–97. http://dx.doi.org/10.51791/njap.v47i3.167.

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The effects of supplementing different urea molasses blocks to Yankasa Rams fed maize offal-based diet on nutrient intake, growth performance and economics of production were evaluated. Yankasa rams fed cowpea shell and maize offal-based diets mixed in a ratio of 1:3 supplemented with urea molasses block (UMB). The supplementary blocks were formulated to contain 0, 5, 10 and 15% urea. Twenty Yankasa rams were used for the experiment with initial body weights range of 16-20kg and randomly allocated to four treatment groups of five animals each in completely randomized designed. Data on feed and

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Izah Anya, Magnus, Abasiama Nsima Robert, Aloysius Ausaji Ayuk, Oluwatosin OluwamorotiOhotuowo Kennedy, and Susana Ben Ohen. "Performance Of Sheep Fed Napier Grass Hay Supplemented With Nymphaea Lotus Leaf Meal For Sustainable Production." Global Journal of Pure and Applied Sciences 31, no. 3 (2025): 549–57. https://doi.org/10.4314/gjpas.v31i3.11.

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The effect of feeding Napier grass hay supplemented with Nymphaea lotus leaf meal (NLLM) on the performance of Yankassa rams was investigated. A total of thirty rams were randomly divided into five treatments with six animals each using a completely randomized design (CRD), with the rams weighing an average of 15.05±1.39 kg. The basal diet consisted of Napier grass hay, while NLLM was supplemented at 0, 10, 20, 30 and 40%. Daily feeding rate for the diets was 3% body weight per animal. The feeding experiment lasted for 120 days following a 28-day period of adaption. Digestibility was investiga

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Garba, M. G., M. A. Yahaya, and S. Gaddafi. "EFFECT OF MACA (Lepedium Meyenii) POWDER SUPPLEMENT ON GROWTH PERFORMANCE AND NUTRIENT DIGESTIBILITY OF YANKASA RAMS." FUDMA JOURNAL OF SCIENCES 7, no. 6 (2023): 354–57. http://dx.doi.org/10.33003/fjs-2023-0706-2142.

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The use of phytochemical feed additives such as Maca (Lepedium meyenii) has been widely used by livestock farmers to reduce cost of production, toxic and residual effect of industrially chemical synthetic antibiotics and growth promoters. Therefore, this research was conducted to evaluate the effect of Maca power supplement on growth performance and nutrient digestibility of Yankasa rams. A total of twenty (20) grower Yankasa rams was divided into four treatment groups of 0, 5, 10, 15g/ Kg powdered Maca with five (5) rams each per treatment in a completely randomized design (CRD). The growth p

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Sani, Gaddafi, Mohammed G. Garba, and Mohammed A. Yahaya. "BIOPOTENCY OF MACA (Lepidium meyenii) POWDER SUPPLEMENTATION ON PERFORMANCE AND HAEMATOLOGICAL PROFILE OF YANKASA RAMS DURING HOT SEASON." FUDMA JOURNAL OF SCIENCES 9 (April 27, 2025): 58–63. https://doi.org/10.33003/fjs-2025-09(ahbsi)-3383.

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Evaluation of hematological profile of Yankasa rams is a vital indicators of animal health, nutritional, welfare, physiological and pathological condition assessment therefore, this study was specifically designed to evaluate the effect maca (Lepium meyenii) powder supplementation on serum biochemistry of Yankasa rams raised during hot season. A total of 20 pubertal Yankasa rams were divided into four treatment groups of 0, 5, 10, 15g/ Kg powdered maca per kg diet with five (5) rams each per treatment in a Completely Randomized Design (CRD). At the end of experiment blood samples were collecte

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8

Yakubu, Hosea, Ahmed Amin Njidda, Isaac Sammani Butswat, Olurotimi Ayobami Olafadehan, and Abayomi Samuel Bankole. "Rumen fermentation and nutrient utilization of growing Yankasa rams fed a mixed ration containing tiger nut (Cyperus esculentus) residue and cowpea husk (Vigna unguiculata L. Walp)." Brazilian Journal of Science 3, no. 6 (2024): 14–26. http://dx.doi.org/10.14295/bjs.v3i6.569.

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Thirty (30) Yankasa growing rams were used to investigate the effect of feeding cowpea husk and tiger nut residue in a mixed ration on the rumen ecology, nutrient intake, nutrient digestibility, and nitrogen balance of Yankasa rams. Significant differences (p < 0.05) were observed in the rumen ecology, nutrient intake, nutrient digestibility, and nitrogen balance between the treatments. Rumen ecology was influenced by the diet, with variations in rumen pH, temperature, and volatile fatty acid production. The results indicated that the highest rumen pH and temperature were observed in Treatm

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9

DAN ABBA, Y. U., S. NURA, and M. G. GARBA. "RUMEN FLUID CHARACTERISTICS OF YANKASA RAMS AS INFLUENCED BY COWPEA HAY AND GROUNDNUT HAULMS SUPPLEMENTATION." FUDMA Journal of Agriculture and Agricultural Technology 9, no. 4 (2024): 35–40. http://dx.doi.org/10.33003/jaat.2023.0904.05.

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This study was conducted to determine the effect of cowpea hay and groundnut haulms supplementation on rumen characteristics of Yankasa rams. The experiment involved Sixteen (16) growing Yankasa rams weighing 20.19 ± 2.2 kg randomly assigned to four treatment groups: Rice straw (I), groundnut haulms (II), cowpea hay (III) and combination of cowpea and groundnut haulms supplementations (IV). The experiment was laid in a Completely Randomized Design (CRD) with four (4) replications for a period of 84 days. The rumen liquor (15 ml) was drawn individually from the experimental animals. The rumen p

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10

Madziga, Dr Immanuel I. "ECONOMICS ANALYSIS OF FEEDING BRACHIARIA DECUMBENS OR DIGITARIA SMUTSII HAY TO BALAMI, UDA AND YANKASA RAMS." FUDMA Journal of Agriculture and Agricultural Technology 8, no. 1 (2022): 323–28. http://dx.doi.org/10.33003/jaat.2022.0801.100.

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The study was undertaken to evaluate the effect of breed on the economics of feeding different forages to different breeds of sheep. Ten adult rams aged between 18 and 24 months for Balami, Uda and Yankasa and weighing 24.75, 25.50 and 25.50 kg, respectively procured from local markets were used for the experiment. The rams were fed either hay and fed B. decumbens or D. smutsii hay ad libitum and supplemented with the concentrate at 1 % of their body weight for 90 days. All animals had free access to fresh clean water every day. Differences between the daily feed offered and the remainder were

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11

YUSUF, A., M. ABUBAKAR, and B. F. MUHAMMAD. "EFFECTS OF FEEDING UREA ENSILED MILLET STOVER BASED DIETS WITH CONCENTRATES ON GROWTH PERFORMANCE AND ECONOMY OF SUPPLEMENTATION IN GROWING YANKASA RAMS." FUDMA Journal of Agriculture and Agricultural Technology 8, no. 1 (2022): 283–91. http://dx.doi.org/10.33003/jaat.2022.0801.095.

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Effects of feeding urea ensiled millet stover based diets with concentrates on growth performance and economy of supplementation in growing Yankasa Rams were evaluated. Four kg urea was dissolved in 100 litres of water sprinkled on 100kg of millet stover kept in an airtight, anaerobic condition for 21 days (ensiled) as basal diet, fed ad libitum to thirty Yankasa rams with average initial weights of 16.35 - 18.21 kg replicated 5 times using completely randomized design were allocated to 6 diets; 300g cottonseed cake diet 1, Faidherbia albida diet 2, CSC & maize offal diet 3, FA & maize

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Ibrahim, N. O., A. Aruwayo, and M. G. Garba. "INFLUENCE OF FEEDING GRADED LEVELS OF UREA ENSILED SUGARCANE PEEL ON GROWTH AND NUTRIENT DIGESTIBILITY OF YANKASA RAMS." FUDMA Journal of Animal Production and Environmental Science 1, no. 1 (2025): 1–8. https://doi.org/10.33003/japes.2025.v1i1.1-8.

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The Experiment was conducted at the Small Ruminant Unit of Prof. Lawal Abdu Saulawa Livestock Teaching and Research Farm, Department of Animal Science, Federal University Dutsin-Ma, Katsina State. The study evaluated performance, digestibility and nitrogen utilization of Yankasa rams fed different levels of urea ensiled sugarcane peels. Sixteen Yankasa rams were adjusted for weight to achieve non-significant differences and was randomly allocated into four (4) dietary treatments consisting of 0%, 5%,10% and 15% inclusion levels of ensiled sugarcane meal. Data obtained were analyzed using SAS (

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13

Zagi, S. P., and M. Mahmud. "PERFORMANCE OF YANKASA RAMS FED CORN COB BASAL DIET SUPPLEMENTED WITH MIXTURE OF SUN-DRIED BROILER LITTER AND DIFFERENT ENERGY SUPPLEMENTS." FUDMA JOURNAL OF SCIENCES 6, no. 3 (2022): 226–33. http://dx.doi.org/10.33003/fjs-2022-0603-985.

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A total of sixteen (16) Yankasa rams of about 10-12 months of age and having an average weight of 24 kg were used in an 84-day trial to investigate the nutrient utilization and digestibility of Yankasa rams fed grounded corn cob as basal diet supplemented with sun-dried broiler litter (SDPL) and different energy concentrate mixture. The rams were randomly assigned into four (4) treatments with four (4) replicates per treatment in a completely randomized design (CRD). Four experimental diets were formulated and designated as: T1 (Corn cob + 150g SDPL + 150g MB), T2 (Corn cob + 150g SDPL + 150g

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Akpa, G.N, I.O Suleiman, and C. Alphonsus. "RELATIONSHIPS BETWEEN BODY AND SCROTAL MEASUREMENTS, AND SEMEN CHARACTERISTICS IN YANKASA RAM." Continental J. Animal and Veterinary Research 4, no. 1 (2012): 7–10. https://doi.org/10.5281/zenodo.818256.

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The study was conducted to determine the relationships between body measurements, scrotal and seminal characteristics using 62 Yankasa rams at the Teaching and Research Farm of the Department of Animal Science, Ahmadu Bello University, Zaria, Nigeria. Body measurements related positively with testicular measurements (0.40-0.83). Body (0.27-0.48) and testicular (0.25-0.48) measurements were positively related to semen characteristics. However, the relationship between semen pH and sperm concentration was negative (-0.29 to -0.38), with testicular dimension (-0.30 to -0.38) and with body measure

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15

Salako, A. E., and L. O. Ngere. "Application of multifactorial discriminant analysis in the morphometric structural differentiation of West African Dwarf (WAD) and Yankasa Sheep in South West." Nigerian Journal of Animal Production 29, no. 2 (2021): 163–67. http://dx.doi.org/10.51791/njap.v29i2.1553.

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A total of 264 adult sheep comprising WAD and Yankusa rams and ewes traditionally managed in flocks within the south West Nigeria were investigated. Ten geometrical variables were monitored in order to contrast their validity cys racial markers and breed discriminants and identify metric characters which can be valuıuble for population classification within the species. Descriptive statistics showed that the Yankasa generally appear superior to the WAD in all variables measured except for shoulder width where WAD appeared superior giving the breed a blockier look than Yankasa which is relative

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G. O., Ochepo. "The Growth Performance of Yankasa Rams Fed Gamba Grass (Andropogon Gayanus) and Various Levels of Ensiled Urea Treated Groundnut Shell Meal Supplementary Diet." African Journal of Agriculture and Food Science 7, no. 2 (2024): 32–42. http://dx.doi.org/10.52589/ajafs-jixrh53e.

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This study was carried out to investigate the feed intake, nutrient intake, and growth performance of Yankasa rams fed gamba grass (Andropogon gayanus) and various levels of ensiled urea treated groundnut shell meal supplementary diet. A total of twenty (20) growing Yankasa rams aged between 7 and 8 months with an average body weight of 11.50 kg were used for this experiment. Five treatment groups were established, with varying levels of UTGSM supplementary diet (0%, 5%, 10%, 15%, and 20%). Parameters such as organic matter, crude protein, fiber, ether extract, ash, NFE (nitrogen-free extract)

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Bashir, S. S., Abubakar, M., and Sani, I. "UTILIZATION OF VARING PROPORTIONS OF UREA-TREATED SUGAR CANE SCRAPPINGS AND GROUNDNUT HAULMS IN THE DIETS OF GROWING YANKASA RAMS." Nigerian Journal of Agriculture and Agricultural Technology 4, no. 3 (2024): 345–51. http://dx.doi.org/10.59331/njaat.v4i3.808.

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The study evaluated the utilization of varying Proportion of urea-Treated sugarcane scrappings (SS) and Groundnut haulms in the diets of Growing Yankasa rams. Sixteen (16) Yankasa Rams were randomly assigned to four treatment groups, each with four rams in a completely randomized design. Four experimental diets were formulated with SS, and GH, T1 (7.5), T2 (15%), T3 (22.5%), and T (30%). GH T1 (30%), T2 (22.5%), T3 (15%), and T4 (7.50%). Labeled as T1, T2, T3, and T4 respectively. The results revealed significant differences (p<0.05) in the final weight gain. Rams on T1 had the highest fina

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Yakubu, Ahmed Kirfi, M. K. Dumbari, and I. M. Mabu. "EFFECTS OF VARYING LEVELS OF UREA SUPPLEMENTATIONS ON HAEMATO-BIOCHEMICAL INDICES OF YANKASA RAMS FED ENSILED CRUSHED GROUNDNUT SHELL, AFRICAN LOCUST BEAN PULP AND POULTRY LITTER." FUDMA JOURNAL OF SCIENCES 8, no. 6 (2024): 27–31. https://doi.org/10.33003/fjs-2024-0806-3019.

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A study was carried out to assess the effects of varying levels of urea supplementations on haemato-biochemical indices of growing Yankasa rams fed ensiled crushed groundnut shell, African locust bean pulp and poultry litter. The study was carried out at Abubakar Tafawa Balewa University Teaching and Research Farm, Bauchi. Twenty (20) growing Yankasa rams were fed five supplemental diets plus a basal diet. A complete randomized design (CRD) was use to allocate the treatment with each treatment replicated four times. Groundnut shell (GNS) and African locust bean pulp (ALBP) were ensiled with po

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MILLAM, Jacob Jafiya, Salisu Bakura Abdu, Suleiman Makama Yashim, and Hanwa Yusuf Adamu. "IMPROVING GROWTH PERFORMANCE OF YANKASA RAMS FED CHEMICAL-TREATED GROUNDNUT SHELLS SUPPLEMENTED WITH EXOGENOUS ENZYMES." FUDMA JOURNAL OF SCIENCES 6, no. 1 (2022): 216–21. http://dx.doi.org/10.33003/fjs-2022-0601-790.

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This study evaluated the effect of chemical treated groundnut shells supplemented with xylanase and glucanase in rations of Yankasa rams on growth performance in Nigeria. It was carried out at the Small Ruminant Unit of Adamawa Sta\te University Teaching and Research Farm, Mubi. The study was designed in a 4×2 factorial arrangement with 4 rams per treatment in a completely randomised design. The experimental animals were housed in well ventilated environment and they were comfortable. Basic routine management were carried out. The experimental rations were formulated to meet the requirements o

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U. S., Salisu, Garba M. G., Murtala U., Gaddafi S., and Garba I. A. "Haematological and Serum Biochemical Responses of Yankasa Rams Supplemented Cinnamon Powder." African Journal of Agriculture and Food Science 7, no. 2 (2024): 43–50. http://dx.doi.org/10.52589/ajafs-h9zrdgub.

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This experiment was conducted to evaluate the effect of cinnamon supplements on Yankasa Rams' growth performance, nutrient digestibility, haematology and serum biochemical profile. A total number of sixteen (16) Yankasa grower rams with an average live weight of 20kg each was randomly allotted into four dietary treatments comprised of four replicates consisting of four animals per treatment in a completely randomized design (CRD), where data obtained in this study were analyzed using General Linear Model of Statistical Analysis Software and Means were separated using Duncan Multiple Range Test

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Agbaye, F. P., A. O. Sokunbi, M. A. Onigemo, et al. "Blood profile of prevalent sheep breeds in Nigeria: A case study of Ikorodu Local Government Area of Lagos State, Nigeria." Nigerian Journal of Animal Production 48, no. 5 (2021): 293–99. http://dx.doi.org/10.51791/njap.v48i5.3173.

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The role of the environment in the survivability of an animal is paramount and blood profiles are part of the indices for measuring the health status. Therefore, a study was carried out to determine the blood profile of prominent indigenous breed of sheep (Ram) viz: West African Dwarf, Yankasa, Balami and Ouda breeds reared in Ikorodu Local Government. A total of 20 rams were used comprising of five rams per breed, with average age of 2½ years weighing 31.13±4.8 kg. Blood samples were carefully collected from the rams into labeled sterile bottles containing EDTA for haematological examination

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M. D., Bello, Lamidi, O. S., Audu, S. B., Tanko, R. J., Maru, L.M., and Mukhtar, A. "Rumen Metabolites and Microbial Load in Fattening Yankasa Rams Fed Urea and Lime Treated Groundnut (Arachis Hypogeae) Shell in a Complete Diet." International Journal of Research and Innovation in Applied Science IX, no. XI (2024): 190–97. https://doi.org/10.51584/ijrias.2024.911016.

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The study was conducted to determine effect of treated groundnut (Arachis hypogaea) shell in a complete diet on blood metabolites and microbial load in fattening Yankasa rams. Each kilogram of groundnut shell was treated with 5% urea and 5% lime for treatments 2 (UTGNS) and 3 (LTGNS) respectively. For treatment 4 (ULTGNS), 1 kg of groundnut shell was treated with 2.5% urea and 2.5% lime, but shell in treatment 1 was not treated (UNTGNS). Sixteen Yankasa rams were used and randomly assigned to the four treatments diets with four animals per treatment in a completely randomized design (CRD). The

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Yerima, J., Abubakar, M., Kalla, D. J. U., and Mancha, Y. P. "MICROBIAL PROTEIN PRODUCTION AND RUMEN METABOLITES PARAMETERS OF YANKASA RAMS FED DIETS CONTAINING DIFFERENT NITROGEN SOURCES WITH BALANITES AEGYPTIACA LEAF POWDER AS RUMEN BUFFER." Nigerian Journal of Agriculture and Agricultural Technology 3, no. 1 (2023): 29–37. http://dx.doi.org/10.59331/njaat.v3i1.450.

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Experiment was carried out to evaluate the response of growing Yankasa rams to complete sorghum stover based diets containing varying levels of different nitrogen sources with rumen buffer plant on digestible organic matter fermented in the rumen (DOMR), microbial nitrogen (MN) and rumen metabolites. Complete diets containing 16% crude protein (CP) was formulated for the experiment. Urea was incorporated into the diets at 0, 0.5, 1, 1.5 and 2% with cottonseed cake at 20, 15, 10, 5 and 0% and designated as diet 1, 2, 3, 4, and 5% respectively. Twenty growing Yankasa rams were used for the exper

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M. D, Bello, Lamidi, O. S, Audu, S. B, Tanko, R. J, Maru, L. M, and Mukhtar, A. "Dressing Percentage and Carcass Characteristics of Fattening Yankasa Rams Fed Treated Groundnut (Arachis Hypogeae) Shell in a Complete Diet." International Journal of Research and Innovation in Applied Science IX, no. XII (2025): 593–99. https://doi.org/10.51584/ijrias.2024.912050.

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The study was conducted to determine the effect of untreated, urea, lime and urea plus lime treated groundnut (Arachis hypogaea) shell in a complete diet on dressing percentage and carcass characteristics in fattening Yankasa rams. The study was conducted at the Teaching and Research Farm (Small Ruminants Unit of Animal Science Department, Faculty of Agriculture, Ahmadu Bello University, Zaria. Each kilogram of groundnut shell was treated with 5% urea and 5% lime for treatments 2 (UTGNS) and 3 (LTGNS) respectively. For treatment 4 (ULTGNS), 1 kg of groundnut shell was treated with 2.5% urea an

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Yahaya, Y. A., M. S. Sadiq, I. R. Muhammad, et al. "Evaluation of Haematological and Serum Biochemical Parameters of Growing Yankasa Rams Fed Maize Cob Treated with Different Non-Protein Nitrogen Sources and Soyabean Meal." Veterinary Medicine and Public Health Journal 6, no. 1 (2025): 1–6. https://doi.org/10.31559/vmph2025.6.1.1.

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Objectives: The study investigated the haematological and serum biochemical parameters of growing Yankasa rams fed maize cob treated with various non-protein nitrogen sources and soybean meal. Methods: Twenty-four Yankasa rams, weighing approximately 11 +- 02 kg and aged between 5 to 8 months, were utilized for the study, they were allotted into 6 treatments of 4 rams each in a Randomised Complete Block Design (RCBD). Each animal received a daily allocation of 300g of supplement and basal diets, divided into two servings provided at 8:00 am and 3:00 pm. The experimental diets were analysed for

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Madziga, II, CAM Lakpini, CU Osuhor, and SM Otaru. "Growth performance of three Nigerian breeds of sheep fed different types of hay." Sokoto Journal of Veterinary Sciences 22, no. 2 (2024): 102–10. http://dx.doi.org/10.4314/sokjvs.v22i2.4.

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It was hypothesised that hay type will affect feed intake and growth with significant interactions between breeds of sheep. Ten rams aged between 18 and 24 months and weighing 24.70, 25.50 and 24.75 each of Balami, Uda and Yankasa indigenous breeds of sheep in a complete randomised design with a 2 x 3 factorial arrangement were used. The rams were fed Brachiaria decumbens or Digitaria smutsii hay supplemented with concentrate at 1 % of their body weight. The trial lasted 90 days after 14 days adjustment period to the diets. Individual animal basal and supplementary concentrate feed intakes wer

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Simon Azubuike, Ubah. "Semen Characteristics of Yankasa Rams Following Cypermethrin Treatment." European Journal of Clinical and Biomedical Sciences 3, no. 3 (2017): 53. http://dx.doi.org/10.11648/j.ejcbs.20170303.11.

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Ashiru, R. M., S. A. Maigandi, I. R. Muhammad, and I. M. Suleiman. "Growth performance and nutrients digestibility of yankasa sheep fed sugarcane waste silage." Bayero Journal of Pure and Applied Sciences 11, no. 1 (2018): 143–47. http://dx.doi.org/10.4314/bajopas.v11i1.25.

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A Feeding trial was conducted for twelve weeks (eighty four days) to assess the performance of Yankasa sheep fed ensiled sugarcane waste (ESCW) enhanced with non – protein nitrogen (urea and poultry litter) sources and soybean meal. Sixteen (16) Yankasa rams (mean body weight 25kg±0.46; aged 8 to 15 months) were randomly allotted to the treatments groups viz; T1 (100% SCW plus urea, unensiled) as control, T2 (100% SCW plus urea, ensiled), T3 (75%SCW plus 25% SBM, ensiled) and T4 (75% SCW plus 25% PL, ensiled) with four animals per treatment in a randomised complete block design (RCBD). The exp

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Iyiola-Tunji, A. O., G. N. Akpa, B. I. Nwagu, and I. A. Adeyinka. "Survivability of lambs in relation to their dam’s haemoglobin variants." Biotehnologija u stocarstvu 30, no. 2 (2014): 215–23. http://dx.doi.org/10.2298/bah1402215i.

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A total of 65 Yankasa, 23 Uda and 16 Balami ewes were mated to 4 Yankasa, 3 Uda and 3 Balami rams in a diallel breeding pattern to produce 192 lambs within 9 genotypes, which were used to study survivability of lambs in relation to their dam?s haemoglobin variants. Blood samples (5ml) were collected from 104 ewes and 10 rams through jugular venepuncture. Electrophoresis was carried out in a Shandon electrophoresis tank on cellulose acetate strips. Each of the 9 lamb genotypes had very high proportion of HbAB. The dam?s haemoglobin type BB (HbBB) were only found in YK X YK, UD X UD, YK X UD, BL

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Dan Abba, Y. U. "ISOLATION AND IDENTIFICATION OF MICROBIAL BIOMASS FROM RUMEN FLUID OF YANKASA RAMS FED COWPEA HAY AND GROUNDNUT HAULMS AS SUPPLEMENTS." FUDMA Journal of Animal Production and Environmental Science 1, no. 1 (2025): 82–89. https://doi.org/10.33003/japes.2025.v1i1.82-89.

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This study was conducted to assess the influence of cowpea hay and groundnut haulms supplementation on the rumen characteristics of Yankasa rams. The study involved the use of Sixteen (16) Yankasa rams of equal weight randomly assigned to four treatment groups: Rice straw (Treatment I), groundnut haulms (Treatment II), cowpea hay (Treatment III) and combination of cowpea and groundnut haulms (Treatment IV). The experiment was laid out in a Completely Randomized Design (CRD) with four (4) replications for 84 days. About 15 ml of rumen liquor was drawn individually from all the experimental anim

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Yakuba, I. M., N. N. Umunna, and P. C. Njoku. "EVALUATION OF PALM KERNEL MEAL AS A MAJOR SOURCE OF ENERGY AND PROTEIN FOR FATTENING YANKASA RAMS." Nigerian Journal of Animal Production 24, no. 2 (2021): 155–60. http://dx.doi.org/10.51791/njap.v24i2.2376.

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A 61-day experiment was conducted to assess the effect of feeding Palm Kernal Meal (PKM) as a substitute for maize and cottonseed cake (CSC) in the concentrate for fattening Yankasa rams. PKM replaced CSC wholly and maize at 0.33, 66 and 100% levels to give treatment 1, 2, 3, and 4 respectively in a completely randomized design. The concentrates contained 0, 51, 52, 73, 26 and 95.25% PKM respectively. Average daily gains (119-136g/d), dry matter intake (855-897g/day), feed efficiency (6.59-7.19) dry matter digestibility (70.56-77.23%) were not significantly affected by the treatments. However,

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BEMJI, M. N., O. A. OSINOWO, O. W. EHOCHE, and A. O. ADUKU. "BIRTH WEIGHT AND LITTER BIRTH WEIGHT IN YANKASA SHEEP: ENVIRONMENTAL FACTORS AND HERITABILITY ESTIMATES." Nigerian Journal of Animal Production 23, no. 1 (2021): 5–11. http://dx.doi.org/10.51791/njap.v23i1.2017.

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A study was conducted to examine the influence of five environmental factors on birthweight (BWT) and litter birth weight (LBWT) and to obtain heritability estimates for both traits in Yankasa sheep. Records of 2490 lambs sired by 133 rams and 1225 lambs sired postnatally by 120 rams from 1983-1993 at Shika were analysed for BWT and LBWT, respectively. The Yankasa flock was semi-intensively l managed in an accelerated lambing programme. Least-squares means were 2.48±0.03 kg and 3.57±0.03 kg for BWT and LBWT, respectively. All five environmental LBWT in factors considered (parity, sex, type of

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Njidda, Ahmed Amin, Isaac Sammani Butswat, Hosea Yakubu, Ijeoma Chika Chibuogwu, and Abayomi Samuel Bankole. "Semen characteristics and hormonal profile of Yankasa rams fed a mixed ration of cowpea husk (Vigna unguiculata L. Walp) and tiger nuts (Cyperus esculentum L.) residue." Brazilian Journal of Science 3, no. 6 (2024): 27–38. http://dx.doi.org/10.14295/bjs.v3i6.570.

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Thirty growing and healthy Yankasa rams were randomly allotted five dietary treatments with six animals per treatment to ascertain the effect of diet on their reproductive potential and hormonal profile. Treatments compared were T1 (cowpea husk 40% + tiger nuts residue 0%), T2 (cowpea husk 30% + tiger nuts residue 10%), T3 (cowpea husk 20% + tiger nuts residue 20%), T4 (cowpea husk 10% + tiger nuts residue 30%), and T5 (cowpea husk 0% + tiger nuts residue 40%). The results of the chemical composition of the diets showed that the dry matter was high for all treatments. The semen characteristics

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Sani, Y. M., Abubakar, M., Kalla, D. J. U., and Doma, U. D. "SERUM BIOCHEMICAL INDICES AND RUMEN METABOLITES OF GROWING YANKASA RAMS SUPPLEMENTED WITH MILLET STOVER BASED SUPPLEMENTS WITH FEED ADDITIVES DURING EARLY RAINING SEASON GRAZING." Nigerian Journal of Agriculture and Agricultural Technology 3, no. 1 (2023): 38–46. http://dx.doi.org/10.59331/njaat.v3i1.451.

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The experiment was conducted to investigate the response of growing Yankasa rams to urea-treated or untreated millet Stover based supplements during early raining season grazing on haematological parameters and rumen metabolites. A total of 20Yankasa rams were used for the experiments in a completely randomized design with five treatments of four animals each in replicate. Five different supplements were formulated to contained 12% CP from urea-treated or urea untreated millet Stover and other ingredients with feed additive. Supplement 1 had urea untreated millet stover, while 2, 3, 4 and 5 co

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Gaddafi, S., M. A. Yahaya, and M. G. Garba. "EFFECT OF MACA (Lepidium meyenii) POWDER SUPPLEMENTATION ON SERUM BIOCHEMISTRY OF YANKASA RAMS DURING HOT SEASON." FUDMA Journal of Animal Production and Environmental Science 1, no. 1 (2025): 71–76. https://doi.org/10.33003/japes.2025.v1i1.71-76.

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This study assessed the effect maca (Lepium meyenii) powder supplementation on serum biochemistry of yankasa rams raised during hot season. A total of 20 pubertal Yankasa rams were divided into four treatment groups of 0, 5, 10, 15g/ Kg powdered maca per kg diet with five (5) rams each per treatment in a Completely Randomized Design (CRD). At the end of experiment blood samples were collected and analyzed for liver function test, electrolytes and lipid. Data obtained were analyzed using analysis of variance of statistical analysis system were treatment means were separated using Duncan Multipl

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Ishiaku, Y. M., M. R. Hassan, R. J. Tanko, et al. "Performance of Growing Yankasa Rams fed Ensiled Sorghum almum (Parodi) and Lablab purpureus (L. Sweet) forages and Concentrate Supplement." Nigerian Journal of Animal Production 50, no. 1 (2023): 61–75. http://dx.doi.org/10.51791/njap.v50i1.3904.

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Silage making offers alternative means of fodder conservation during the rainy season while retaining nutrient quality of the fodder as feed for ruminants. An experiment was conducted at Feeds and Nutrition Research Programme, National Animal Production Research Institute, Shika, to assess the growth performance of Yankasa rams fed varying levels of ensiled sorghum (Sorghum almum) and lablab forages. The silage was prepared by harvesting sorghum and lablab forages at dough and flowering stages, respectively, chopped to 2 cm with a forage chopper, wilted for 12 hour and made into the following

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Sani, I., S. S. Ahmad, A. Muhammed, A. Nuratu, and S. H. Nuhu. "Rumen dry matter degradability of Yankasa rams fed Brachiaria ruziziensis (Congo grass) hay with different supplements." Nigerian Journal of Animal Production 46, no. 4 (2020): 264–72. http://dx.doi.org/10.51791/njap.v46i4.1003.

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This study was carried out to determine rumen dry matter degradability of Brachiaria ruziziensis (Congo grass) by cannulated Yankasa rams fed different supplements (maize offal, wheat offal, groundnut hay). The research was carried out at Polycon Research farm, Federal Polytechnic Bauchi. Four (4) cannulated Yankasa rams were used for the study, each animal was replicated three times. In-sacco method involving small nylon bags containing experimental diets were inserted into the rumen of the cannulated rams at 0 hour, with inspection at 6, 12, 18 and 24 hours. Three (3) nylon bags marked with

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Maiyaki, U. S., Abubakar, M., and Muhammad, A. S. "GROWTH PERFORMANCE AND HAEMATOLOGICAL PARAMETERS OF GROWING YANKASA RAMS FED VARYING PROPORTIONS OF GROUNDNUT HAULMS AND COWPEA SHELL IN DIETS." Nigerian Journal of Agriculture and Agricultural Technology 4, no. 3 (2024): 302–9. http://dx.doi.org/10.59331/njaat.v4i3.803.

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The study was conducted to evaluate the growth performance and haematological parameters of growing Yankasa rams fed varying proportions of cowpea shell and groundnut haulms in diets. A total of 20 Yankasa rams were assigned to five isonitrogenous dietary treatments (16% crude protein) formulated to include groundnut haulms and cowpea shell at varying proportions such that the two ingredients collectively contributed 40% of the diets. The experiment was conducted in a Completely Randomized Design, with five (5) treatments of four (4) animals each. The result indicated a significant (P<0.05)

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Adeleke, R. A., C. B. I. Alawa, and S. M. Otaru. "Performance of Yankasa Weaner Rams Fed Roughage and Concentrate Supplement at Different Sequences and Intervals." Nigerian Journal of Animal Production 49, no. 4 (2023): 114–32. http://dx.doi.org/10.51791/njap.v49i4.3709.

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The production and productivity of small ruminant in humid West Africa is being limited by feed constraints, which are largely due to non-strategic utilization and combination of available feed resources to develop an efficient production feeding system, rather than absolute non availability. Farmers under semi-intensive system commonly offer feed supplements to their animals in the morning before grazing fibrous grasses all day. However, results of rumen degradability studies suggested that this system should be the opposite. This study was designed to investigate the effect of changing the s

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Adu, I. F., E. C. Agishi, and W. L. Brinckman. "NUTRITIVE EVALUATION OF TWO CULTIVARS OF STYLOSANTHES GUYANENSIS." Nigerian Journal of Animal Production 4, no. 2 (2021): 96–100. http://dx.doi.org/10.51791/njap.v4i2.2302.

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Two introduced cultivars of stylosanthes guyanensis were evaluated in feeding and metabolism trials with Yankasa rams and wethers. The Perennial legume species were established in July, 1975 from seeds brought from Queensland, Australia. Digestibility, intake, liveweight gains and nitrogen utilization were determined. The legumes were found to give satisfactory animal performance that is comparable, if not superior, to other varieties of stylo earlier in use on the station

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Munza, B. M., M. R. Hassan, R. J. Tanko, S. M. Yashim, and D. Y. Salihu. "Effect of feeding regime on growth performance of growing Yankasa rams fed basal diet of sorghum hay or silage supplemented with concentrate." Nigerian Journal of Animal Production 48, no. 3 (2021): 162–72. http://dx.doi.org/10.51791/njap.v48i3.2963.

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Smallholder farmers in sub-Saharan Africa offer their stocks little or no supplementary feed but depend mostly on native pastures which are in low nutrient quality. The study was aimed at evaluating the effect of feeding regime on growth performance, nutrient metabolism, rumen indices and economics of production of Yankasa rams fed basal diets of grain sorghum hay or silage supplemented with concentrate. Sixteen growing Yankasa rams weighed 17.0±0.2 kg were randomly assigned to four feeding regime treatment: T1 = Sorghum hay + concentrate daily, T2 = Sorghum silage + concentrate daily, T3 = So

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Kwatu, A. S., N. N. Umunna, and C. N. Chineme. "FEEDLOT PERFORMANCE AND CARCASS TRAITS OF YANKASA RAMS. I — EFFECT OF VARYING THE CONCENTRATE TO ROUGHAGE RATIO." Nigerian Journal of Animal Production 10 (January 19, 2021): 76–81. http://dx.doi.org/10.51791/njap.v10i.2714.

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Thirty-five Yankasa rams initially weighing 22.5kg on the average were individually fed one of five diets formulated to differ in the roughage to concentrate ratio: 70:30, 60:40, 50:50, 40:60, 30:70. The diets were isonitrogenous and isocaloric. Average daily gain (ADG) and feed efficiency showed a linear response to increasing levels of dietary concentrate. Feed intake on the other hand did not reveal any significant difference. Both dry matter and nitrogen digestibility tended to increase with increasing dietary concentrate. Dressing percentage, kidney and mesenteric fats also increased wi

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Tewe, O. O., A. O. Akinsoyinu, and Y. Suleiman-Oba. "GRAIN REPLACEMENT VALUE OF CASSAVA AND SWEET POTATO FOR GROWING LAMBS." Nigerian Journal of Animal Production 6 (January 19, 2021): 69–76. http://dx.doi.org/10.51791/njap.v6i.2663.

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TWENTY-FOUR rams of the West African Dwarf X Yankasa crosses, 6 to 7 months old, ranging in liveweight from 11 to 14 kg were randomly alloted to maize, sweet potato and cassava based rations. These rations constituted the concentrates which were fed as supplement to Cynodon nlemfuensis. Three rams from each treatment were slaughtered at the end of 30 day and another set of three rams each were slaughtered on the dietary treatments and other nine, 140 day later Replacement of the conventional maize grains by dried milled cassava and potato tubers in sheep diet did not dentess the growth rate, d

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Ashiru, R. M., Sayuku Sariyyu, S. U. Abdulhamid, et al. "RUMEN pH AND MICROBIAL POPULATION OF YANKASA RAMS FED ENSILED SUGARCANE WASTE FORTIFIED WITH POULTRY LITTER." FUDMA JOURNAL OF SCIENCES 8, no. 6 (2024): 50–53. https://doi.org/10.33003/fjs-2024-0806-2923.

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Rumen contents may be observed for physical aspects (color, odor, consistency, sedimentation) and the chemical characteristics (pH, glucose, fermentation, nitrate reduction and methylene blue reduction test) and biological parameters (bacteria, protozoa and fungi) (Donato et al., 1999). The study was conducted to evaluate the effects of feeding ensiled sugarcane waste (ESCW) fortified with poultry litter (PL) to Yankasa rams on rumen fluid characteristics using 16 rams (mean initial BW 28.94 ± 5.77 kg; aged 12 to 18 months). Sugarcane waste was mixed with poultry litter in 3:1 and ensiled for

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Suleiman, I. O., A. Y. Raji, and A. O. Atanda. "Sperm morphology in relation to semen cation concentration in Yankasa rams." Nigerian Journal of Animal Production 46, no. 3 (2019): 131–45. http://dx.doi.org/10.51791/njap.v46i3.2594.

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The morphological appearance of sperm cells is a major criterion in semen evaluation. The optimal production of semen of high biological value is influenced by numerous factors. Therefore, a study was conducted to evaluate the relationship between sperm morphological characteristics and semen cation concentrations in 62 rams of Yankasa breed of sheep. Semen samples were collected from each animal on weekly basis for 52 weeks with electro ejaculator. The sperm morphological characteristics examined were: detached mid-piece and tail (DMT), detached head (DH), mid-piece droplet (MPD, coiled and b

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Sekoni, V. O. "EFfect of Trypanosoma vivax infection on semen characteristics of Yankasa rams." British Veterinary Journal 148, no. 6 (1992): 501–6. http://dx.doi.org/10.1016/0007-1935(92)90005-l.

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Simon Azubuike, Ubah. "Thyroid Pathology of Cypermethrin and Its Reproductive Implications in Yankasa Rams." International Journal of Biomedical Materials Research 4, no. 3 (2016): 43. http://dx.doi.org/10.11648/j.ijbmr.20160403.16.

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Simon Azubuike, Ubah. "Gonadal and Epididymal Sperm Reserves of Yankasa Rams Treated with Cypermethrin." American Journal of Biomedical and Life Sciences 4, no. 2 (2016): 16. http://dx.doi.org/10.11648/j.ajbls.20160402.12.

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Ihukwumere, F. C., and C. Okere. "Effects of frequent ejaculations on semen characteristics of Nigerian Yankasa rams." Small Ruminant Research 3, no. 1 (1990): 77–83. http://dx.doi.org/10.1016/0921-4488(90)90034-4.

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Osinowo, O. A., M. S. Ahmed, and G. A. Ekpe. "Semen quality and sperm output of Yankasa rams at different ages." Theriogenology 29, no. 2 (1988): 381–86. http://dx.doi.org/10.1016/0093-691x(88)90241-5.

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