Recognition the Appearance and Production Characteristics of Native Lorestan Goats
Subject Areas : Journal of Animal BiologyAlireza Chegeni 1 * , Behrouz Yarahmadi 2 , Mohsen Mohamadisaei 3
1 - Department of Animal Science Research, Lorestan Agricultural and Natural Resources Research and Education Center, AREEO, Khorramabad, Iran
2 - Department of Animal Science Research, Lorestan Agricultural and Natural Resources Research and Education Center, AREEO, Khorramabad, Iran
3 - Department of Animal Science Research, Lorestan Agricultural and Natural Resources Research and Education Center, AREEO, Khorramabad, Iran
Keywords: morphological characteristics, productive characteristics, Goat, Lorestan, Fatnning, Hair goat,
Abstract :
One hundred fifty female and 12 male goats were selected from the herds of Lorestan province in a random stratified and clustered method. Morphological characteristics including 17 factors and qualitative and typical characteristics of the body including 27 characteristics during 4 years and milk records, birth weights up to 9 months in males and females using SPSS and SAS software packages and descriptive statistics were analyzed. Hair samples were taken from the right side of 90 female goats (1, 2 and 3 years old) in four seasons to determine hair length, efficiency and %fat. The data were analyzed by SAS software package and GLM method. 40 male goats at the ages of 4, 6, 8, and 10 months were selected from the goat herds, and each age group was kept in individual places and after 20 days of preliminary period for 90 days with a total mixed ration (12.32% protein, and 2.33 Mcal/kg of energy) were fed. No significant difference was observed between different age groups, except for chest depth and hand width. In the comparison of milk production in different seasons, the highest milk production was obtained in May with 943.2 milliliters/h and the lowest amount of milk was obtained in August with 28.5 milliliters. The average duration of the milking period was 4 months and the average daily milk production of one head was about 384 milliliters. The effect of gender on birth weight was not significant. In the study of the effect of age on hair length, efficiency, fat percentage and hair diameter, no significant difference was observed except hair length. The effect of gender on different weights from weaning to 9 months was significant. In fattening goats, the highest daily gain at 10 months was 132.99g/d and the lowest at 6 months with 95.59g/d.
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