Caracterización fenotípica de la población caprina de la provincia de Santa Elena, Ecuador

Archivos de Zootecnia Pub Date : 2020-01-15 DOI:10.21071/az.v69i265.5035

L. A. Solís-Lucas, M. R. Lanari, M. Oyarzabal

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引用次数: 3

Abstract

It was proposed to typify phenotypically the goats of the Santa Elena province, Ecuador, and to test if there were different phenotypes. 344 animals were sampled in different types of production systems. The following variables were observed: a) morphological: coat color pattern and coat color (CCP, CC); fur and fur characteristics (FUR, CHF); pigmentation of skin, mucous membranes and hooves (SP, PMM, HP); size and arrangement of ears (ES, EO); facial profile (FP); mamellas (M); beard (B); type and orientation of horns (HT, HO); shape of rump (SR); b) morpho-structural: length and width head (HL, HW); face length (FL); ear length (EL); shoulder width (SW); depth and girth chest (CHD, CHG); cannon perimeter (CP); body length (BL); height at withers (HAW); length and width of rump (RL, RW). The multivariate analyzes performed showed 3 groups: 1) small animals; CC: red (35%), pied (33%); PMM: pigmented (43%); B: presence (44%); FP: straight (83%); ES: small (89%); EO: horizontal (47%), erect (42%); HT: arched (68%); SR: slight slope (89%). 2) wider and longer animals; medium height; CC: black (38%), red (35%); FP: straight (55%), slight convex (34%); ES: small (37%), medium (38%); EO: horizontal, erect and pendolous (84%); HT: arched (58%), curved (38%); SR: slight slope (71%). 3) taller animals; greater RL and BW; PMM: pigmented (24%); B: presence (19%); CC: red (41%), black (36%); FP: slight convex (58%), straight (39%); ES: long (51%), pendolous (64%); HT: arched (45%), straight (43%); SR: slight slope (75%). Group 1 corresponded to the oldest biotype of Santa Elena that would represent the Creole phenotype, the other two would be the result of crossings due to introductions of other races coming mainly from Loja (southern Ecuador) and Peru.

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本研究的目的是评估在墨西哥恰帕斯州圣塔埃琳娜省山羊种群的表型特征。

有人建议对厄瓜多尔圣埃琳娜省的山羊进行表型分型，并测试是否存在不同的表型。在不同类型的生产系统中取样了344只动物。观察以下变量:a)形态学:毛色模式和毛色(CCP, CC);毛皮及毛皮特性(fur, CHF);皮肤、粘膜和蹄色素沉着(SP、PMM、HP);耳的大小和排列(ES, EO);面部轮廓(FP);mamellas (M);胡子(B);角的类型和方向(HT, HO);臀部形状(SR);b)形态结构:长度和宽度头(HL, HW);面长(FL);耳长(EL);肩宽(SW);胸深胸围(CHD, CHG);大炮周长(CP);体长(BL);肩峰高度(HAW);臀长和臀宽(RL, RW)。多因素分析显示:1)小动物组;CC:红色(35%)，花斑(33%);PMM:色素沉着(43%);B:存在感(44%);FP:直(83%);ES:小(89%);EO:水平(47%)，直立(42%);HT:弓形(68%);SR:轻微倾斜(89%)。2)更宽更长的动物;中等身高;CC:黑色(38%)，红色(35%);FP:直(55%)，微凸(34%);ES:小型(37%)，中型(38%);EO:水平，直立和下垂(84%);HT:拱形(58%)，弧形(38%);SR:轻微倾斜(71%)。3)较高的动物;更大的RL和BW;PMM:色素沉着(24%);B:存在(19%);CC:红色(41%)，黑色(36%);FP:微凸(58%)，直(39%);ES:长(51%)，下垂(64%);HT:弓形(45%)，直形(43%);SR:轻微坡度(75%)。第一组与代表克里奥尔表型的最古老的圣埃琳娜生物型相对应，另外两组则是由于主要来自厄瓜多尔南部的洛哈和秘鲁的其他种族的引入而产生的杂交结果。

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来源期刊

Archivos de Zootecnia Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

0.50

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0.00%

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期刊介绍： Archivos de Zootecnia is a quarterly, multilingual, international science journal, published by the University of Cordoba and the Asociación Iberoamericana de Zootecnia. The journal was founded in 1952 as the voice for the Zootechnics Institute of the Veterinary Faculty at the University of Cordoba. Its aim is to disseminate results from research into animal production and related areas, giving special attention to farming systems in developing areas, their local breeds and alternative production methods.