There was a life threatening effect of reproduce, sex, relatives, years and real time pounds to the cows tick load

Teléfono: 91 476 65 33      E-Mail: info@cvramos.com

Ticks has a negative effect on dairy and you may meats cows development options globally, towards the concomitant chance they depict to your transmission of a few important contagious illness. Colombian cows types was distributed round the other agroecological nations and generally are confronted with different environment challenges. When you look at the moist and you can hotter climates such as those about tropics, tick weight and heat worry are essential factors that can give up animals overall performance. The aim of this study would be to characterize tick load within the five Colombian cows breeds and you can gauge the relationships anywhere between temperatures be concerned and you may tick weight within the Bos taurus cattle significantly less than exotic conditions. Tick depending are presented inside 1332 cattle out-of Romosinuano (ROMO), Costeno ripoff Cuernos (CCC), San Martinero (SM) and you may Blanco Orejinegro (BON) breeds, located in the Caribbean, Orinoquia and you will Andean places. Crucial signs and you may environmental details was in fact delivered to assess an adaptability list (AI) and you will a fever dampness list (THI). An AI 75.

Overall performance

Show presented a differing shipments regarding presses on the body off folks that varied with respect to the agroecological region. A reduced tick weight are seen in this new ROMO breed (several.8 ± 2.6), just like the higher tick weight try noticed in CCC (31.8 ± dos.3), that have been located in the exact same agroecological area. SM and you may ROMO animals that have a keen AI > dos got a top tick burden than their alternatives that had a keen AI

History

Presses is bloodsucking ectoparasites you to real time because of the giving into bloodstream various companion animals, creatures and you will livestock variety. Ticks are particularly important in much warmer, wetter habitats in which they may be able connect with farming development or even effectively regulated . Rhipicephalus (Boophilus) microplus are an economically extremely important tick extensively marketed regarding southern hemisphere plus in the south states of your United states of america, and you can will act as good vector towards indication away from babesiosis and you can anaplasmosis . Rhipicephalus microplus ‘s the tick toward higher bad financial feeling into the meat and you can milk cows opportunities of Main and you can Southern The usa, and you can Australia [step 3, 4]. From inside the Colombia, R. microplus has been said in several departments over the Caribbean, new Andean together with Orinoquia regions .

Economic losses in the infested cattle are caused by skin damage, treatment can cost you, losses of this sign regarding tick-borne diseases, together with lead negative influence on creature efficiency [cuatro, 6]. Inside Bos taurus cattle, for each engorging feminine tick is responsible for an average death of step 1.37 ± 0.twenty-five grams off weight for each and every private, while in B. taurus ? B. indicus crosses, it worth could have been projected once the step 1.18 ± 0.21 grams/engorging tick. This weight losings is not only because of the blood losses considering presses, and in addition because of urges suppression and you may less supply consumption, that may be the cause of as much as 65% of the body weight despair. Moreover, adjustments out of metabolic variables and dysfunctional digestion of the interference that have regular abomasal outflow found in experimentally infested cattle signify the effect out-of loss of blood on the yields only demonstrates to you about twenty-five% of your own overall bodyweight losings .

Weather is one of the many items controlling tick distribution owed to its regulatory influence on the brand new tick lifetime-duration . Alterations in environment criteria could have a confident otherwise bad impression on the tick burdens as well as on the brand new psychological heat Kiinalainen morsiamet verkossa regulation components away from infested cattle . Several indices have been developed observe the heat stress status in different animals types. Heat-moisture index (THI) brings together the consequences away from sky temperature and you may humidity in the level of thermal stress . Other indicator eg Benezra’s coefficient out-of adaptability (AI) or perhaps the Iberia heat threshold decide to try account fully for vital signs when you look at the dogs such rectal temperatures and you can breathing price.

0 Comments

Leave a reply

Tu dirección de correo electrónico no será publicada. Los campos necesarios están marcados *

*

Puedes usar las siguientes etiquetas y atributos HTML: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

Current ye@r *

| Copyright © 2014 CONSTRUCCIONES VENANCIO RAMOS. Diseñado por EQUALIA |

Log in

Forgot your details?