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1. Morphometric evaluation of the growth of Alpacas (Vicugna pacos) from birth to 36 months of age

Author:
Grund, Sarah; Vogel, Mandy; Mülling, Christoph Karl Wolfgang
Source:
Small ruminant research 2018 v.166 pp. 61-65
ISSN:
0921-4488
Subject:
alpacas,   etc   ; Vicugna pacos; body weight; equations; females; guidelines; hips; males; models; morphometry; prediction; reproduction; skeleton; veterinarians; withers;     Show all 15 Subjects
Abstract:
... Currently, very limited information is available on the growth of alpacas (Vicugna pacos). The aim of this study was to describe the growth of alpacas with percentile curves and to generate an equation for precise estimating the body weight using a body height, length or circumference. 162 alpacas, ranging in age from a few days to 36 months, were measured over a period of twelve months. Every two ...
DOI:
10.1016/j.smallrumres.2018.07.013

2. Heritability of individual fiber medullation in Peruvian alpacas

Author:
Pinares, Rubén; Gutiérrez, Gustavo Augusto; Cruz, Alan; Morante, Renzo; Cervantes, Isabel; Burgos, Alonso; Gutiérrez, Juan Pablo
Source:
Small ruminant research 2018 v.165 pp. 93-100
ISSN:
0921-4488
Subject:
alpacas,   etc   ; demonstration farms; genetic correlation; heritability; males; pedigree; statistical models; Peru;     Show all 8 Subjects
Abstract:
... The aim of this research was to estimate for the first time the heritability and genetic relationship between medullation and fiber diameter in each fiber by itself. A total of 21,600 fibers from 36 samples from white fleeces, 600 fibers each sample, from males between 0.4 and 10.4 years old from Pacomarca experimental farm (Inca Group, Puno, Peru) were tested using projection microscope (PM). The ...
DOI:
10.1016/j.smallrumres.2018.04.007

3. Embryo production by superovulation and dual siring in alpacas (Vicugna pacos)

Author:
Forshey, B.S.; Moraes, C.R.; Lakritz, J.; Pinto, C.R.F.; Coffman, E.; Schanbacher, B.J.; Place, N.J.; Coutinho da Silva, M.A.
Source:
Small ruminant research 2018 v.162 pp. 63-68
ISSN:
0921-4488
Subject:
alpacas,   etc   ; Vicugna pacos; embryo (animal); embryo transfer; females; follicle-stimulating hormone; genetic improvement; herds; male fertility; males; ovarian follicles; ovulation; parentage; progeny; superovulation;     Show all 15 Subjects
Abstract:
... Alpacas can only produce one offspring per year. In order to accelerate the genetic gain of a herd, superovulation and embryo transfer can be used to produce multiple embryos from superior females. We hypothesized that the use of dual siring with superovulation would result in the production of multiple embryos sired by different males. After administration of the superovulation protocol, receptiv ...
DOI:
10.1016/j.smallrumres.2018.03.006