The boer goat. I. Origin, adaptability, performance testing, reproduction and milk production

Casey, N.H.; Niekerk, W.A. van

doi:10.1016/0921-4488(88)90056-9

Cited by 92 publications

(58 citation statements)

References 6 publications

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“…Results found in this study indicate that animals were able to select forage as to keep extrusa CP above the minimum required for rumen microorganism growth. Casey & Van Niekerk (1988) pointed a diet CP content of less than 60 g/kg DM as a considerable reducing factor for Boer goat voluntary intake. According to Poppi & McLennan (1995), a minimum percentage of 70 g/kg DM is required for proper microorganism activity in the rumen, in order to use forage fiber components ingested.…”

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confidence: 99%

Influence of the period of year on the chemical composition and digestibility of pasture and fodder selected by goats in caatinga

Silva

Magalhães

et al. 2017

Rev. bras. saúde prod. anim.

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SUMMARY This study aimed to verify the influence of months on chemical composition and in vitro digestibility of pasture and forage selected by goats in the semiarid region of Brazil’s Pernambuco state. Six male goats fistulated in the rumen were used in a completely randomized design. Forage collection was conducted in herbaceous and shrub/tree layers, in order to simulate goat grazing, and materials were separated into leaves and branches. Extrusa and pasture collections were held in November, January and February/March. There was collection month (P <0.05) effect for pasture on dry matter (DM), crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), with average values of 458.27g/kg NM and 155.46, 521.30 and 390.13g/kg DM, respectively. For the stem (P <0.05) for DM, Organic matter (OM), mineral matter (MM), ethereal stratum (EE), ADF, acid detergent unavailable protein (AIP), total carbohydrates (TCHO) and dry matter in vitro digestibility (DMIVD), with average values of 487.47g/kg NM and 930.80, 69.07, 20.67, 440.30 and 63.78g/kg DM, respectively. About the extrusa, there was collection time effect (P <0.05) on the DM, OM, MM, CP, EE, AIP, TCHO, Non-fibrous carbohydrates (NFC) and DMIVD, with average values of 84.53g/kg DM, 863.03, 136.97, 152.90, 33.60, 14.07, 676.37 and 55.35g/kg DM, respectively. Rainfall changes in the rainy season in the caatinga altered pasture quality, causing changes in the diet selected by goats, mainly in DM, CP, CNF and DMIVD.

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confidence: 99%

Influence of the period of year on the chemical composition and digestibility of pasture and fodder selected by goats in caatinga

Silva

Magalhães

et al. 2017

Rev. bras. saúde prod. anim.

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“…The Boer goat was developed in South Africa in the early 1900s (Casey & Van Niekerk, 1988). The first importation to China was during 1995, and it is now a popular breed for meat production.…”

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Short communication: Polymorphism of the <i>GnRHR</i> gene and its association with litter size in Boer goats

Tang¹,

Xu²,

Wen³

et al. 2011

SA J. An. Sci.

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________________________________________________________________________________ AbstractThe polymorphism in the gonadotropin-releasing hormone receptor (GnRHR) gene was detected by PCR single-strand conformational (PCR-SSCP) and DNA sequencing methods in 224 Boer goats. Two single nucleotide polymorphisms (SNPs), G891T and G757A, were found in the exon I of the goat GnRHR gene and their associations with litter size in Boer goats were evaluated. Association analysis showed that G891T and G757A had significant effects on litter size. In locus G891T, individuals with GT genotype had significantly larger litter sizes compared to GG genotype in the first and third parity. In locus G757A, ewes with GG genotype had significantly higher litter sizes than those of GA in the fourth parity. The present study primarily revealed an association between allele T at 891 locus of the GnRHR gene and high litter size in the first and third parity in Boer goats. These results provide evidence that the GnRHR gene may be significantly correlated with a high prolificacy in goats.

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“…They can easily be managed by young people and even women when compared to cattle [6]. This attribute makes it an 2 of 18 ideal animal, which can be used by resource limited farmers and rural house-holders for sustenance and as food [7]. The nutritional [8] and therapeutic properties of goat milk [9] for human benefits have been reported.…”

Section: Introductionmentioning

confidence: 99%

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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The boer goat. I. Origin, adaptability, performance testing, reproduction and milk production

Cited by 92 publications

References 6 publications

Influence of the period of year on the chemical composition and digestibility of pasture and fodder selected by goats in caatinga

Influence of the period of year on the chemical composition and digestibility of pasture and fodder selected by goats in caatinga

Short communication: Polymorphism of the <i>GnRHR</i> gene and its association with litter size in Boer goats

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

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