scholarly journals Phenotypic characterization of sheep populations in Tahtay Maichew district, Northern Ethiopia

2020 ◽  
Vol 1 (2) ◽  
pp. 12-22
Author(s):  
Abebe Hailu ◽  
Amine Mustefa ◽  
Tesfalem Asegede ◽  
Abraham Assefa ◽  
Seble Sinkie ◽  
...  

Eighteen quantitative measurements and fourteen qualitative characteristics taken from 306 adult sheep (57 rams and 249 ewes) were used to characterize sheep populations of district, Ethiopia. Most traits showed significant variation by zone, sex and age groups with higher values generally recorded for rams as compared to ewes. Middle age group animals displayed highest values for several traits, reflecting the optimal production age. zone affected ewes more than rams. The highland sheep height at withers, widest shoulder points and longest hair, indicative of adaptation to their environment. Qualitative characteristics of the studied sheep populations such as tail shape, plain coat color pattern, skin, hairy fiber and the absence of horn, toggle, ruff and beard suggest that they constitute a previously sheep breed. Tan coat color differentiated high and midland sheep from lowland sheep where white and brown colors were dominant. Canon bone length, height at withers and tail length were the three most important variables used in discriminating the sheep populations. On average 66% of the animals could be classified into their respective zone. Our data suggest that highland sheep populations are distantly related to lowland sheep, while midland sheep are more closely related to lowland sheep. It can be concluded that breeding programs specific to each zone need to be designed for sustainable utilization and conservation of the studied sheep populations. Furthermore, molecular based studies might allow further characterization of Ethiopian sheep breeds.

2018 ◽  
Vol 4 (1) ◽  
pp. 95-104 ◽  
Author(s):  
MA Jalil ◽  
MP Choudhury ◽  
MM Kabir ◽  
MA Habib

The study was undertaken to characterize of Black Bengal Goat (BBG) under farming condition. Data on the different parameters were collected during July 2006 to June 2013 at BLRI goat research farm. A total of 299 animals of different ages from birth to 36 months of both sexes were included. All type of measurements were taken when goats standing freely. All measurements were taken in metric unit. Data were analyzed by SPSS version 17.0 statistical computer program. In BLRI goat herd, four different types of coat color were observed in BBG i.e. Black, Black and white, Black and brown and completely white. Body length is higher in males than that of females for all generation and age group. Male goats had higher heart girth than that of female goats irrespective of age and generations. Average adult (>24 months age) body weight of male and female goats as 29.9±1.76 and 23.6±0.81 kg, respectively. Wither height was higher in adult males than females for same age. Left and right horn length in both sexes ranged from 3.6 to 13.2 cm. Female goats had higher ear length than male goats. Tail length of Black Bengal goats ranged from 8.0±0.52 to 11.1±0.43 cm and tail breadth ranged from 2.1±0.10 to 3.6±0.43 cm for different age and sex group. Average male foreleg length in >24 months of age possessed higher than that of female. Average udder length and breadth of BBGs were 7.5±0.24, 11.7±0.44 and 14.3±0.46 and 5.9±0.16, 7.4±0.28 and 7.8±0.23 cm, respectively for age groups 6-12, 12-24 and >24 months of age. The average testis length and breadth in adult males were 9.1±0.18, 7.5±0.48 and 9.8±0.49 and 6.8±0.13, 5.2±0.27 and 6.3±0.32, cm respectively for 6-12, 12-24 and >24 months of ages groups.Asian J. Med. Biol. Res. March 2018, 4(1): 95-104


2021 ◽  
Vol 2 (3) ◽  
pp. 1-17
Author(s):  
Ken N Falculan

This study was conducted to determine the phenotypic characteristics of native pigs in the province of Romblon. Specifically, it identifies the phenotypic characteristics, morphometric diversity, and effective population size of the native pigs. This study used the descriptive design. The data gathered were statistically analysed using frequency/percentage, mean, regression analysis and correlation. From the analysis and interpretation conducted it was found out that: majority of the snout were long and thin; the head profile was straight; most of the ear type was droopy; the ear orientation were projected forward; have straight hair; the coat color pattern were plain; the coat color was black; the skin were smooth; the tail were straight and the backline was straight except for gilt which is swaybacked. The Shannon Weiner Diversity Index on the phenotypic characteristics of native pigs in the province of Romblon was observed evenly distributed. There is significant relationship observe on the morphometric diversity of native pigs.


2018 ◽  
Vol 53 (7) ◽  
pp. 849-857
Author(s):  
Vanessa dos Santos Neri ◽  
José Lindenberg Rocha Sarmento ◽  
Laylson da Silva Borges ◽  
Tatiana Saraiva Torres ◽  
Luciano Silva Sena ◽  
...  

Abstract: The objective of this work was to phenotypically characterize creole goats of the Moxotó, Azul, Canindé, Repartida, Marota, and Graúna breeds, comparing them with the Boer, Anglo Nubian, and Alpine exotic breeds, to identify the genetic groups of greater potential for carcass quality and resistance to infection caused by worm. Data on morphometric measurements were obtained for the count of worm eggs in grams of feces (WEGF), Famacha score, carcass measurements, and body weight from 308 animals, in a farm in the state of Piauí, Brazil. Repartida goats showed the highest average for wither height (61.55 cm) and rump height (62.16 cm), and Moxotó goats had the greatest ear length (13.45 cm). The Moxotó breed showed the highest means for carcass and body weight. The lowest average for body weight was observed in Azul goats (24.35 kg), and the lowest WEGF was detected in Repartida goats (200 eggs per gram of feces). The average Famacha score was 2.77. Average linkage was the method that best summarized the information on the morphometric and carcass data. The use of morphometric and carcass measurements provides satisfactory results in the phenotypic characterization of the animals. The Brazilian creole goats, which are considered resistant to worm infection and show high-quality carcass traits, may be indicated for conservation and genetic breeding programs.


Author(s):  
D. Chakraborty ◽  
K. Mehdi Khan ◽  
N. Kumar ◽  
Isfaq Faried ◽  
Rajan Sharma ◽  
...  

Majority of the Kargil sheep populations are indigenous. Very scanty information is available for morphological characterization of Purky sheep population. Therefore, the present study was undertaken with the objectives to study the morpho-metric characteristics and body measurements for phenotypic characterization of the local sheep. A stratified random sample survey was conducted on various parameters (horn size, tail size, chest girth, punch girth, body length, height at wither and body weight) in seven different age groups. Data were collected randomly from 510 sheep of either sex. The local sheep population of Kargil which was selected for the present investigation is named as ‘Purky’ by the name of the community that reared this breed. In Purky sheep white body colour was predominant in both the sexes. The sheep breed was of low to medium body weight. The chest girth, punch girth, height at withers of Purky sheep showed it to be medium sized. Sex had significant effect (P is less than 0.05) on height at wither only. For males the least squares means were higher for all the traits of all age groups baring few exceptions. The phenotypic correlations of age groups with different morpho-metric traits were very high. The phenotypic correlations of body weight with other body measurements like tail size, chest girth, paunch girth, body length and height at wither were very high. Further studies should be carried out to fully exploit their genetic potential and to register the breed and in-situ conservation of this population.


Author(s):  
Samarjit Das ◽  
M. F. Siddiqui ◽  
V. S. Ingle ◽  
Geetesh Mishra

A study was conducted in the breeding tract of Red Kandhari cattle in Marathwada region comprising Latur, Parbhani and Nanded district to document the morphometric characteristic to know the present status of the breed. Total 535young Red Kandhari cattle were selected morphometric measurements were recorded by using measuring tape while physical characteristic were recorded visually.The overall LSQ means at 0-3 months of Red Kandhari for chest girth, abdominal girth, body length, height at wither, height at elbow, height at hip bone, height at pin bone, length of ear, width of ear, length of face, width of fore head, length of neck, width between hook bone, width between pin bone, tail length and body weight were 70.56 ± 0.66, 72.27 ± 0.78, 64.06 ± 0.69, 69.00 ± 0.63, 42.93 ± 0.37, 69.44 ± 0.66, 65.13 ± 0.63, 13.66 ± 0.21, 7.54 ± 0.07, 23.21 ± 0.32, 11.25 ± 0.18, 25.02 ± 0.26 , 15.71 ± 0.16 , 9.08 ± 0.15, 41.66 ± 0.44 cm and 30.06 ± 0.83 kg and at 4-12 months of age were 116.21 ± 0.73, 122.86 ± 0.77, 99.89 ± 0.51, 102.32 ± 0.43, 60.49 ± 0.59, 103.71 ± 0.44, 97.51 ± 0.38, 18.38 ± 0.16, 10.28 ± 0.24, 35.55 ± 0.24, 18.11 ± 0.08, 38.50 ± 0.13, 26.43 ± 0.22, 14.83 ± 0.18, 60.90 ± 0.39 cm and 127.93 ± 2.42 kg, respectively. Majority of the Red Kandhari cattle have Brick Red coat color followed by Dark Red. The sex showed highly significant (P Lass Than 0.01) to significant (p Lass Than 0.05) effect on most of the traits for both the age group whereas district doesn’t play any major role on these traits.The significant to highly significant effect of sex on some of body measurements and non-significant effect of district in all traits may lead to the concrete conclusion that these factors play a major role in exhibiting the specific body measurements only in Red Kandhari cattle at 4-12 and 0-3 months of age.


Author(s):  
M. K. Singh ◽  
G. D. Nayak ◽  
K. K. Sardar

The genetic architecture of 10 rural poultry populations in two distant tribal districts of Mayurbhanj and Kalahandi of Odisha state in India were studied for 15 quantitative and 11 qualitative characteristics through a field survey. Analysis of dispersion was conducted to test the simultaneous significance of mean differences in above characteristics and was found to be highly significant (p is less than 0.01). Cluster-I (Khairi and Kabri), cluster-II (Hansli, Gujuri, Dumasil, Dhabla, Kalua and Khadia), cluster-III (Jhinjiria), and cluster-IV included Chitri populations. The maximum D2 value was found between Hansli and Kabri (513.825) followed by Gujuri and Kabri (410.312) while minimum D2 value was observed between Khairi and Kabri (1.50). The average inter cluster distance was high between cluster-I and cluster-II (17.218) and also between cluster-II and IV (17.207). The genetic variation can be confirmed using biochemical and DNA markers which will help to obtain phenotypically pure local fowl genetic resources for future selection and breeding.


2019 ◽  
Vol 26 (2) ◽  
Author(s):  
Violeta Razmaitė ◽  
Virginija Jatkauskienė

The aim of the study was phenotypic characterization and comparative evaluation of Lithuanian Indigenous Wattle and Lithuanian White pigs. Physical measurements were taken only from a representative set of adult animals: sows and boars. Evaluation of breeds included discrete (qualitative) and quantitative variables and was performed according to the Guidelines of FAO for Phenotypic Characterization of Animal Genetic Resources. The data were subjected to the analysis of variance in general linear (GLM) and discriminant analysis procedures in SPSS 17. The qualitative characterization of preserved animals validated the characteristics of Lithuanian pig breeds described in old literature. The comparative evaluation of the physical measurements of Lithuanian White and Lithuanian Indigenous Wattle pigs showed the highest significant differences in body, ear and tail length. Due to the different physiological status of females the statement that Lithuanian White pigs are larger animals than Lithuanian Indigenous Wattle pigs better confirms the weight and body dimensions of males. Small differences in body dimensions were found only between the youngest animal groups under 24 months of age and older animals. However, the results of the canonical discriminant analysis did not give any evidence that pigs of different age have different characteristics.


PLoS ONE ◽  
2021 ◽  
Vol 16 (6) ◽  
pp. e0253557
Author(s):  
Zeshan Hassan ◽  
Sami Ul-Allah ◽  
Azhar Abbas Khan ◽  
Umbreen Shahzad ◽  
Muhammad Khurshid ◽  
...  

Tomato production in Pakistan faces significant problems of low yields due to various biotic and abiotic stresses primarily because of a narrow genetic base of the cultivars being used. Therefore, Introduction and evaluation of the exotic tomato germplasm has become necessary to acquire elite material to develop future breeding programs. To this end, the present study was conducted for the phenotypic characterization of twenty exotic tomato genotypes along with two locally grown cultivars in semi-arid subtropical climate. Data were collected for morphological, fruit quality and fruit yield traits. A significant (p<0.05) phenotypic variation was observed for all the studied traits. Maximum yield was obtained from “Rober” i.e., 1508.31 g per plant. The maximum shelf life was observed in the Cromco, with the least weight loss (2.45%) and loss in the firmness of fruit (22.61%) in 4 days. Correlation analyses revealed a strong genetic association among morphological and yield related traits. High estimates of the heritability (ranged from 79.77% to 95.01% for different traits), along with a high genetic advance (up to 34%) showed the potential usefulness of these traits and genotypes to develop breeding programs to improve the tomato yield and fruit quality.


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