Milk production, composition and variation at different lactation stages of four goat breeds in Ethiopia

Mestawet, T.A.; Girma, Addisu; Ådnøy, Tormod; Devold, Tove Gulbrandsen; Narvhus, Judith; Vegarud, Gerd Elisabeth

doi:10.1016/j.smallrumres.2011.11.014

Cited by 74 publications

(71 citation statements)

References 31 publications

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“…This could possibly be attributed to the fact that, all the goats (Nguni, Boer and Non-descript) used in the study grazed on the same veld type. In agreement with our finding, [14] in their study reported that, there was no significant difference in the milk mineral compositions of four different Ethiopian goat breeds raised on natural pastures and supplemented with concentrates.…”

Section: Discussionsupporting

confidence: 93%

“…In a related study by [14], the mean percentages for fat, protein and lactose for Boer (4.7 %, 4.05 % and 4.9 %) and Somali goats (4.90 %, 4.34 % and 4.97%) were comparable to the results observed from the present study for Nguni and Non-descript goats, but were higher than the values observed for Boer goats. Conversely, the mean milk composition (protein, fat and lactose) reported by [39] for goat breeds in Croatia (3.10 %, 3.43 % and 4.17%) and Slovenia (3.11 %, 3.34 % and 4.36%), respectively were lesser compared to those of the three goat genotypes as observed in this present study.…”

Section: Discussionsupporting

confidence: 68%

“…According to [14] and [40], there was increase in fat, protein and lactose percentages during the early and late lactation period. In agreement with the present finding, [41,42] also observed an increase in fat content in the early and late lactation stages in their study.…”

Section: Discussionmentioning

confidence: 99%

“…This finding is similar to previous studies by [5] and [29] who also reported a positive correlation between protein and fat content. Increase in milk production has been reported to be a major reason for the increase in milk composition and vice versa [14].…”

Section: Discussionmentioning

confidence: 99%

“…Milk yield was done by collecting samples into a 500 ml glass measuring cylinder tube and readings were taken from the lower meniscus of the glass cylinder. Milk yield per day was obtained by multiplying the milk yield after every milking session by a factor of two [14]. Milk samples were collected twice at each lactation stage (i.e.…”

Section: Milk Sample Collection and Yield Determinationmentioning

confidence: 99%

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Yield and Milk Quality Parameters at Different Stages of Lactation from a Small Herd of Nguni, Boer and Non-Descript Goats Raised in an Extensive Production System

Idamokoro¹,

Muchenje²,

Masika³

2017

Preprint

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This study was conducted to evaluate the yield and quality parameters of milk from 60 indigenous South African goats of different genotypes namely Nguni, Boer and Non-descript reared under a free ranging system. Milk yield and quality parameters (milk fat, protein, lactose, solid non-fat and minerals) from Nguni (10), Boer (10) and Non-descript (10) goats was measured and analysed per week at each stage of lactation. Result showed that, Nguni goats produced (1.2±0.09, 1.3±0.11 and 1.2±0.07 litres per day) more milk (P ˂ 0.05) at early, mid and late stages of lactation than Boer (0.6±0.10, 1.0±0.17 and 0.6±0.09 litres per day) and Non-descript (0.3±0.10, 0.3±0.12 and 0.3±0.09 litres per day) goats, respectively. The mean value of milk fat, protein and lactose content from Nguni goat was (3.98, 3.54 and 5.31); Boer goat (2.9, 3.59 and 5.04) and Nondescript goat (4.05, 3.39 and 5.02), respectively. There was significant effect (P ˂ 0.05) of genotypes on milk fat, milk magnesium and sodium contents of Nguni, Boer and Non-descript goats. It could be concluded that, Nguni goat produced more milk than Boer and Non-descript goats, but the Nondescript goat had higher mean percentage of milk fat compared to Nguni and Boer goats.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Milk Sample Collection and Yield Determinationmentioning

confidence: 99%

See 3 more Smart Citations

Yield and Milk Quality Parameters at Different Stages of Lactation from a Small Herd of Nguni, Boer and Non-Descript Goats Raised in an Extensive Production System

Idamokoro¹,

Muchenje²,

Masika³

2017

Preprint

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Analytical Methods

Logan¹,

Walter²,

Watkins³

2020

Advanced Dairy Chemistry, Volume 2

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The Role of Local Sheep and Goat Breeds and Their Products as a Tool for Sustainability and Safeguard of the Mediterranean Environment

Trana

Sepe

Gregorio

et al. 2015

The Sustainability of Agro-Food and Natural Resource Systems in the Mediterranean Basin

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This chapter is a survey of recent studies on native sheep and goat breeds with special emphasis on their role as a tool of sustainability. After a short overview, strategies for adding value to the local breeds are described together with a synthesis of measures in support of animal biodiversity in marginal areas of Mediterranean environment. In this direction, three case studies are reported in which the added value of local breeds arising from a typical and/or traditional product is investigated. The first one is on native sheep breeds from Apulian region and the PDO Canestrato Pugliese cheese, and it indicates that Altamurana and Apulian Merino breeds produce milk and cheese having nutritional characteristics and sensory properties distinguishable from non-native breeds. The second and third studies regard local goat breeds and local cheeses, Caciotta and Ricotta cheeses. As it appears from our discussion, Girgentana breed produces milk and Caciotta and Ricotta cheeses with distinguishable fatty acid profile, nutritional index and sensory properties compared to other breeds. These peculiarities add value to the Girgentana breed and therefore give a support in favour of this breed, amplifying its sustainable use. Finally, we point out that the high quantity of sialyloligosaccharides found in local Garganica breed compared to foreign breed appears as an interesting promising feature in the study of adding value to local breeds.

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Milk production, composition and variation at different lactation stages of four goat breeds in Ethiopia

Cited by 74 publications

References 31 publications

Yield and Milk Quality Parameters at Different Stages of Lactation from a Small Herd of Nguni, Boer and Non-Descript Goats Raised in an Extensive Production System

Yield and Milk Quality Parameters at Different Stages of Lactation from a Small Herd of Nguni, Boer and Non-Descript Goats Raised in an Extensive Production System

Analytical Methods

The Role of Local Sheep and Goat Breeds and Their Products as a Tool for Sustainability and Safeguard of the Mediterranean Environment

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