Performance and eating behaviour of crossbred goats in Mediterranean climate of Turkey

Koluman, Nazan; Boğa, Mustafa; Silanikove, Nissim; Görgülü, Murat

doi:10.1590/s1806-92902016001200006

Cited by 12 publications

(15 citation statements)

References 25 publications

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“…For instance, ruminants are active during the day and rest during the night. They protect themselves from extreme environmental factors by means of dissipating body heat by taking advantage of hairlessness of certain body parts, shedding of hair, water restriction, and feed intake [33,34].…”

Section: Small Ruminant Adaptation Mechanisms To Heat Stressmentioning

confidence: 99%

“…They have a dynamic eating behavior during warm weather conditions. For example, Fawn goats have different eating behaviors in comparison with Saanen x hair goats, which are exposed to severe heat stress and poor nutritional condition [34]. The authors indicated that Saanen goats had higher meal size and meal length and longer inter-meal interval, meal time, and eating rate within each meal, but a lower number of meals in comparison with German Improved Fawn (GIF) goats.…”

Section: Small Ruminant Adaptation Mechanisms To Heat Stressmentioning

confidence: 99%

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Adaptation Mechanisms of Small Ruminants to Environmental Heat Stress

Berihulay

Abied

et al. 2019

Animals

147

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Small ruminants are the critical source of livelihood for rural people to the development of sustainable and environmentally sound production systems. They provided a source of meat, milk, skin, and fiber. The several contributions of small ruminants to the economy of millions of rural people are however being challenged by extreme heat stress difficulties. Heat stress is one of the most detrimental factors contributing to reduced growth, production, reproduction performance, milk quantity and quality, as well as natural immunity, making animals more vulnerable to diseases and even death. However, small ruminants have successfully adapted to this extreme environment and possess some unique adaptive traits due to behavioral, morphological, physiological, and largely genetic bases. This review paper, therefore, aims to provide an integrative explanation of small ruminant adaptation to heat stress and address some responsible candidate genes in adapting to thermal-stressed environments.

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Section: Small Ruminant Adaptation Mechanisms To Heat Stressmentioning

confidence: 99%

Section: Small Ruminant Adaptation Mechanisms To Heat Stressmentioning

confidence: 99%

Adaptation Mechanisms of Small Ruminants to Environmental Heat Stress

Berihulay

Abied

et al. 2019

Animals

147

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“…In the Mediterranean region, the large body of studies about the feeding behavior and diet composition of goats in forest rangelands were mainly conducted in the Northern [12][13][14] and Eastern countries [15][16][17][18]. Limited information is available for the Southern shore of the Mediterranean, which shares similar agro-climatic conditions with the other parts of the Mediterranean but displays specific socio-economic features that impact how grazed herds are managed.…”

Section: Introductionmentioning

confidence: 99%

Foraging Behavior of Goats Browsing in Southern Mediterranean Forest Rangeland

Otmani

Chentouf²,

Hornick

et al. 2020

Animals

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Mediterranean forest rangelands offer an important feed source for goats. Concerns about grazing strategies and management schemes in order to ensure the rangeland sustainability of Southern Mediterranean forest have revived interest in the foraging behavior of goats. This study was conducted to investigate the seasonal changes of feeding behavior of grazing goats in the Southern Mediterranean forest rangeland of Northern Morocco during two consecutive years beginning in 2016. The direct observation method was used to compare diet composition, intake rate, and diet selectivity of goats during three seasons (spring, summer, and fall). Bite mass of each plant species selected by goats was estimated using hand-plucked simulation. The optimal foraging theory was used as a tool to explain the goats foraging decisions. Bite mass range was extremely wide and varied seasonally. The goats’ diet was largely composed of Cistus spp., Lavandula stoechas, Quercus spp., and Myrtus communis. The result shows that the smaller the bite mass, the higher the biting rate, leading to increased short term intake rates. The selection of various plant species during fall and summer enlarged the diet diversity of goats. As expected, goats preferred trees and some shrubs despite their low availability. Consequently, the most available species is not necessarily the most positively selected. Particular high and positive selection of Quercus suber was observed over seasons. The outcomes confirm the high adaptability and ability of goats to select a woody species across seasons. Knowledge about forage availability and the feeding behavior of goats could be used as the first guide for rangeland managers to ensure herd and forest sustainability.

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“…Sample size calculations of eight animals per group were determined based on previous works (32,33,34) , with a statistical power of 0.8. Data (performance, carcass parameters, meat proximate analyses, color measurement and meat FA profile) were statistically analysed as a 2 × 2 factorial arrangement based on a randomized complete block design using PROC MIXED of SAS 9.4 (35) with the following model:…”

Section: Discussionmentioning

confidence: 99%

Interaction effect of ruminal undegradable protein level and rumen-protected conjugated linoleic acid (CLA) inclusion in the diet of growing goat kids on meat CLA content and quality traits

et al. 2019

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The aim of the present study was to determine the effects of dietary rumen undegradable protein (RUP) level and rumen-protected conjugated linoleic acid (rpCLA) on meat fatty acid (FA) profile, chemical compositions and colour parameters of growing kids. Thirty-two Kurdish goat kids (13·06 ± 1·08 kg body weight) were fed diets differing in RUP level (low = 250 v. high = 350 g/kg of dietary crude protein) supplemented either with 15 g/kg of rpCLA or 12 g/kg of hydrogenated soyabean oil (HSO) for 80 d. Interaction of dietary rpCLA and RUP level had no effect on hot carcass weight, dressing and cut percentage, and meat chemical composition and colour parameters. Meat total SFA, MUFA and PUFA concentrations were not influenced by experimental diets, whereas kids fed diets supplemented with rpCLA had lower meat total SFA and higher PUFA concentrations compared with those fed diets supplemented with HSO. The concentration of meat trans-11-8 : 1 was not influenced by rpCLA supplementation, RUP level and their interaction. Kids fed diets containing rpCLA supplementation had higher meat total CLA and cis-9, trans-11-CLA and trans-10, cis-12-CLA isomers compared with those fed diets containing HSO supplementation. Desaturase indexes of C14, C16 and C18 were not influenced by rpCLA supplementation, RUP level and their interaction. It is concluded that supplementing growing kids’ diets with RUP and 15 g/kg of rpCLA not only decreased meat fat content but also increased some FA considered to be of potential benefit to human health.

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Performance and eating behaviour of crossbred goats in Mediterranean climate of Turkey

Cited by 12 publications

References 25 publications

Adaptation Mechanisms of Small Ruminants to Environmental Heat Stress

Adaptation Mechanisms of Small Ruminants to Environmental Heat Stress

Foraging Behavior of Goats Browsing in Southern Mediterranean Forest Rangeland

Interaction effect of ruminal undegradable protein level and rumen-protected conjugated linoleic acid (CLA) inclusion in the diet of growing goat kids on meat CLA content and quality traits

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