Factor Analysis of Body Measurements of Zobawng Cows - a local hill cattle of Mizoram, India

Tolenkhomba, T. C.; Anal, Warngam; Singh, Nongthombam; Mayengbam, Prava

doi:10.5455/ijlr.20210204052559

Cited by 5 publications

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“…an adult male, an adult female and heifers up to 4 years of age were 15.66±0.54, 13.12±0.05 and 12.47±0.16 cm, respectively. The comparable finding was reported by Kayastha (2006) as 13.15±0.071 cm in Assam local cattle of an adult age, by as 14±0.10 cm in Manipur local cattle of adult age and by Tolenkhomba et al (2012) as 14.90±0.15 cm in adult local cows of Manipur.…”

Section: Resultssupporting

confidence: 88%

Phenotypic characterization of Dagri cattle of Gujarat

Patel

Chaudhari

et al. 2021

Indian J of Anim Sci

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A hill cattle population locally known as Dagri reared by tribals from eastern border districts of Gujarat adjoiningto Madhya Pradesh and Rajasthan, mainly Dahod and Chhotaudepur and to some extent Panchmahal, Mahisagarand Narmada was investigated for its phenotypic characterization. A total of 606 animals were examined for bodymeasurements. Body weight of the newborn calf (4) and preweaning weight (24) were recorded by actualmeasurement on the weighing scale while, the body weight of animals above 1-year (606) was derived from bodymeasurements using standard formula. Body measurements in males, females and heifers were taken on 606 animals. Milk composition was studied in milk samples from 50 cows. Draughtability was also studied on 11 pairs ofbullocks. Dagri animals possessed predominantly white coat colour (males 95.45%; females 86.89%). Muzzle colour was mainly black (males 95.45%; females 91.59%). Eyelids were mainly black (males 100%; females 98.22%). Horn and tail switch were mainly black while hoof colour was mainly pale black. Horns were curved and oriented upward-outward. Forehead was straight. Ears were small oriented horizontally. Dagri cattle had small hump, dewlap and naval flap. The udder was bowl shaped, small sized with round tipped cylindrical teats and with no prominent milk vein. The means (cm) for chest girth, body length, height at withers and hip height were 134.40±4.03, 115.46±3.37, 106.66±2.11 and 109.13±1.84, respectively, in adult males and 128.93±0.35, 110.82±0.34, 102.46±0.28 and 104.99±0.26, respectively, in adult females. The means (cm) for face length, tail length, horn length, horn circumference, hump height, navel length, dewlap length, forehead width, ear length and ear width were 35.86±1.00, 67.33±1.37, 21.64±2.65, 18.00±0.85, 10.00±0.66, 05.87±0.54, 78.40±2.57, 15.66±0.54, 21.06±0.78 and 10.00±0.32 respectively in adult males and 35.95±0.10, 66.91±0.25, 19.26±0.29, 12.91±0.10, 06.98±0.06, 01.40±0.06, 72.86±0.35, 13.12±0.05, 19.23±0.11, 10.50±0.06 cm, respectively, in adult females. The mean body weight (kg) at different age groups, viz. birth weight, pre-weaning weight, body weight at 12 months, body weight at 24 months and adult weight were 16.75±0.25, 27.12±2.02, 60.02±19.85, 108.08±13.72, 223.85±14.70, respectively, in males and 13.0±1.0, 27.1±3.01, 66.5±7.16, 116.7±8.67, 169.63±1.21, respectively, in females. Reproduction traits, viz. age at first oestrus, age at first mating, age at first calving were 32 to 42, 42 to 48 and 48 to 60 months, respectively, in females. Production traits, viz. daily milk yield, lactation length and lactation milk yield were 1.75 kg, 120–240 days and 75–600 kg, respectively. These data were derived from farmers’ personal interview at their doorstep. Milk fat and SNF percentage were 4.08% and 9.18%. This lesser known population of hilly cattle was not recognized and registered as distinct breed before this investigation. This study played a major role in recognition and registration of this population. As a result of these efforts it is now recognized and registered as new cattle breed with accession no. INDIA_CATTLE_0400_DAGRI_03046.

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Section: Resultssupporting

confidence: 88%

Phenotypic characterization of Dagri cattle of Gujarat

Patel

Chaudhari

et al. 2021

Indian J of Anim Sci

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“…of the horns (HOL) in the Cheurfa ecotype, the width of muzzle (MW) and the length of the horns (HOL) in the Sétifien ecotype, the height at the withers (HW), the width of muzzle (MW) and the length of the horns (HOL) in the Fawn ecotype indicate that these traits are less effective, to explain the total variation in body conformation compared to the other traits. Similar results have been reported by Tolenkhomba et al [14]. The three factors obtained can be used to select animals based on a group of variables rather than on isolated traits.…”

Section: Plos Onesupporting

confidence: 87%

“…Tolenkhomba et al [14] extracted seven factors representing 64.31% of the total variance in local cows from Manipur in India. Pundir et al [20] found three factors explaining 66.02% of the total variation from eighteen biometric traits of Kankrej cows, as well as Yakubu et al [28] retained two factors which represent 85.37% of the total variation in White Flauni cattle.…”

Section: Factorial Analysis In Principal Componentsmentioning

confidence: 99%

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Use of multivariate analysis as a tool in the morphological characterization of the main indigenous bovine ecotypes in northeastern Algeria

et al. 2021

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Sustainability in livestock farming requires monitoring of autochthonous breeds which are well adapted to the local environment. The morphometric measurements seem to be the first approach which can provide useful information on the suitability of animal genetic resources for selection. In this work, thirteen morphometric variables were used for the phenotypic characterization of 130 adult autochthones cattle randomly selected from 30 local farms in Guelma. There were cases from four commonly accepted and traditional ecotypes: Guelmois, Cheurfa, Sétifien and Fawn. The results showed several and significant positive correlations between the different variables. Correlations were analyzed using Varimax orthogonal rotation PCA and three factors were extracted, which explain more than 75% of the total variation in the four ecotypes. Stepwise discriminant analysis showed that 6 of the 13 variables had discriminatory power to define the phenotypic profile of the ecotypes. Canonical discriminant analysis indicated that the Sétifien ecotype is separate from the other three ecotypes. Mahalanobis distances were significant between the different ecotypes except for the distance between the Guelmois and Fawn ecotypes. The cross-validation procedure assigned 91.42% of the Sétifien animals to their genetic group, while the percentages of animals assigned to the Cheurfa, Guelmois and Fawn ecotypes were 80.00%, 65.71% and 53.33% respectively. The multivariate approach has proven to be effective in differentiating the four ecotypes, with clear morphological differences from the Sétifien ecotype that may benefit from a genetic improvement program for more sustainable genetic resources preservation.

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“…Similarly, Tolenkhomba et al (2013) extracted six factors with eigen values greater than 1 in bulls of local cattle of Manipur. However, Tolenkhomba et al (2021a) and Tolenkhomba et al (2021b) extracted five factors in explaining 75.02% (cow) and 78.37% (bull) of the total variation by studying 20 morpho-structural traits of Mizoram local cattle (Zobawng). In the present study, the first factor accounted for 21.85% of the variation out of the total of 18 original measurements.…”

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Factor analysis of body measurements of bulls of local cattle of Tripura, India

Majumdar

Bora

et al. 2021

Indian J of Anim Sci

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Eighteen different biometric traits (body length, height at wither, heart girth, paunch girth, arm length, elbow length, fore-shank length, thigh length, hind shank length, pes length, tail length, switch length, ear length, head length, eye to eye space, circumference of horn, space between horn and horn length) in 50 bulls of Tripura local cattle were recorded from 3 districts (viz. North Tripura, South Tripura and West Tripura) of Tripura, India and analyzed by Principal component analysis to explain body conformation. The average of these various traits indicates that local cattle Tripura is of smaller type of cattle breed. Factor analysis with promax rotation revealed six factors which explained about 76.64% of the total variation. Factor 1 described the general body conformation and explained 21.85% of total variation. It was represented by significant positive high loading of body length, height at wither, head length, circumference of horn, distance between horns and horn length. The communality ranged from 0.535 (head length) to 0.890 (fore-shank length) and unique factors ranged from 0.465 to 0.110 for all the 18 different biometric traits. The result suggests that principal component analysis (PCA) could be used in breeding programs with a drastic reduction in the number of biometric traits to be recorded to explain body conformation.

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Factor Analysis of Body Measurements of Zobawng Cows - a local hill cattle of Mizoram, India

Cited by 5 publications

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Phenotypic characterization of Dagri cattle of Gujarat

Phenotypic characterization of Dagri cattle of Gujarat

Use of multivariate analysis as a tool in the morphological characterization of the main indigenous bovine ecotypes in northeastern Algeria

Factor analysis of body measurements of bulls of local cattle of Tripura, India

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